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<!-- Creation Date :2026-03-30T16:09:48.8655+00:00 -->
<!-- Copyright (c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expenses And Other Non Operating Income Expense Net [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt current payable to related and non related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Current And Non Current Payable To Related And Non Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubsquidAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsquid Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubsquidAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subsquid acquisition, member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubsquidAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsquid Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Foreign</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TenYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ten Years [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SoftwareDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Software Development [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SoftwareDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Related Party Transactions [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Transactions and outstanding balances of related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArtEquitiesReefAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Art Equities Reef Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArtEquitiesReefAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Art equities reef acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArtEquitiesReefAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Art Equities Reef Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Estimated increase decrease in revenue due to foreign currency fluctuation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estimated Increase Decrease In Revenue Due To Foreign Currency Fluctuation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated increase decrease in revenue due to foreign currency fluctuation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermNonBankingFinancialCompanyLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Non Banking Financial Company Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermNonBankingFinancialCompanyLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long term non banking financial company loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermNonBankingFinancialCompanyLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-Banking Financial Company loan (Prediqt)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Supplemental disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental disclosure of noncash investing and financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrediqtAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prediqt Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrediqtAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prediqt acquisition member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sponsor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sponsor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sponsor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Sponsor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyBusinessDevelopmentExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party business development expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyBusinessDevelopmentExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Business Development Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyBusinessDevelopmentExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business development expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Excluding Current Maturities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total long-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term debt (8.1)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Non-CashComponentOfLeaseExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-cash component of lease expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Non-CashComponentOfLeaseExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-cash component of lease expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other commitement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdamWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adam Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdamWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adam Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdamWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adam Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNumberOfInstallments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Number Of Installments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNumberOfInstallments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument number of installments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNumberOfInstallments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument number of installments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromWarrantExercises_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Warrant Exercises</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromWarrantExercises_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from exercise of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Convertible Debt Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Convertible Debt Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares under Yorkville Standby Equity Purchase Agreement, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Ordinary Shares under Equity Purchase Agreement, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares under equity purchase agreement, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Ordinary Shares Upon Conversion of Advance Subscription, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares upon conversion of advance subscription, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares upon conversion of advance subscription, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expenses/(income)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net of Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Deferred tax asset, net of valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Deferred tax asset, net of valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounting Policies Line Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitment Period Two Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment period two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitment Period 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2029</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CryptoAssetDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crypto Asset [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesJvbFinancialGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor loan issued for services Jvb Financial Group</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesJvbFinancialGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor loan issued for services Jvb Financial Group</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesJvbFinancialGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor loan issued for services - J.V.B. Financial Group</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Voting Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock voting rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value by Liability Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtOtherPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term debt other payable to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtOtherPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Other Payable To Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtOtherPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtOtherPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentsForConsultancyGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payments for consultancy general and administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentsForConsultancyGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Payments For Consultancy General And Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentsForConsultancyGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments for consultancy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfSalesAndMarketingExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of sales and marketing expenses [Table Text Block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfSalesAndMarketingExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Sales And Marketing Expenses [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfSalesAndMarketingExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Sales and Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Stated Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, interest rate, stated percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares subject to redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares of common stock subject to possible redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NoticePeriodForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Required notice period for redemption of warrants by the company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NoticePeriodForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notice period for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NoticePeriodForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notice period for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Cash Equivalent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CryptoIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crypto Intangible Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CryptoIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Crypto intangible assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CryptoIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Crypto Intangible Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StableCoinDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stable Coin Deposits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StableCoinDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stable coin deposits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock shares issuable upon demerger for every share in the previous company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Issuable Upon Demerger For Every Share In The Previous Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock shares issuable upon demerger for every share in the previous company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerRelationships_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Customer Relationships</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerRelationships_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed customer relationships.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerRelationships_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Relationships</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MovementInDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Movement in deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MovementInDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Movement in deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MovementInDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Movement in deferred tax liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MovementInDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Movement in deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LitigationSettlementExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Litigation Settlement, Fee Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LitigationSettlementExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlement payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board of Directors Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShortTermDebtTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maxim Group [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maxim Group.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maxim Group [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrganizationAndNatureOfOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization and Nature of Operations [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrganizationAndNatureOfOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and nature of operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">January twenty five two thousand nineteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">January twenty five two thousand nineteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">January 25, 2019 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions based on tax positions related to current year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right-of-Use Asset Obtained in Exchange for Operating Lease Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment, Category of Item Purchased [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award weighted average fair value of options granted during the period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average fair value per common share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Businesses, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cash acquired in business combinations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant liability current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant liability current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cost of goods and service excluding depreciation depletion and amortizations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost Of Goods And Service Excluding Depreciation Depletion and Amortizations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cost of Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlueDotMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">BlueDot [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlueDotMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">BlueDot.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlueDotMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">BlueDot [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlueDotMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">BlueDot [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalizedContractCostNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capitalized Contract Cost, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalizedContractCostNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Capitalized Contract Cost, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalizedContractCostNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Costs to obtain contracts with customers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalizedContractCostNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Opening balance, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalizedContractCostNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Closing balance, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SalesForceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sales Force [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SalesForceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sales Force.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SalesForceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales Force [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DateOfIncorporationOrAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Date Of Incorporation Or Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DateOfIncorporationOrAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Date of incorporation or acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DateOfIncorporationOrAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of incorporation or acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NovemberThirteenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">November Thirteen Two Thousand Fourteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NovemberThirteenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">November thirteen two thousand fourteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NovemberThirteenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">November 13, 2014 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaAcquisitionCorpIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Armada Acquisition Corp I Member</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaAcquisitionCorpIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Armada Acquisition Corp I [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclassification, Comparability Adjustment [Policy Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitFromTheDateOfConsummationOfBusinessCombinationWithinWhichSharesShallBeRegistered_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Limit From The Date Of Consummation Of Business Combination Within Which Shares Shall Be Registered</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitFromTheDateOfConsummationOfBusinessCombinationWithinWhichSharesShallBeRegistered_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time limit from the date of consummation of business combination within which the shares shall be registered</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SpringTechnologiesEOODMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Spring Technologies EOOD [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SpringTechnologiesEOODMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Spring Technologies EOOD.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SpringTechnologiesEOODMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Spring Technologies EOOD [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FirstSettlementPaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Settlement Payment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FirstSettlementPaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First settlement payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesNorthlandsSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor loan issued for services Northlands Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesNorthlandsSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor loan issued for services Northlands Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesNorthlandsSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor loan issued for services - Northlands Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and shareholders' equity/(deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Recognized Liability Assumed, Liability, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liability included in Ordinary Shares Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payables and Accruals [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period at nominal value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period At Nominal Value [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Contingency, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective Income Tax Rate Reconciliation, Tax Contingency, Percent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in unrecognized tax benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">DBLP Sea Cow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">DBLP Sea Cow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">DBLP Sea Cow Ltd. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightsIssueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rights Issue [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightsIssueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rights Issue [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightsIssueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rights issue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TechoutsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Techouts Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TechoutsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Techouts Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TechoutsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Techouts Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TechoutsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Techouts Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinalSettlementPaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Final Settlement Payment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinalSettlementPaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Final settlement payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_E-SpiritIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">e-Spirit Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_E-SpiritIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">e-Spirit Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_E-SpiritIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">e-Spirit Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Fair Value Measurement at Reporting Date</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation allowance increase amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments for consultancy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share based compensation arrangement by share based payment award shares issued in period value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award shares issued in period value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToRadioGroupToSettleTerminationOfANYAcquisitionInGermany_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Ordinary shares issued to Radio Group to settle termination of ANY acquisition in Germany</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToRadioGroupToSettleTerminationOfANYAcquisitionInGermany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary shares issued to Radio Group to settle termination of ANY acquisition in Germany</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToRadioGroupToSettleTerminationOfANYAcquisitionInGermany_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued to Radio Group to settle termination of ANY acquisition in Germany.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeNamesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trade Names [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash proceeds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recognized amounts of identifiable assets acquired and liabilities assumed:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ReimbursementPayablesForExpenseIncurredCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursement payables for expense incurred current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ReimbursementPayablesForExpenseIncurredCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursement Payables For Expense Incurred Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ReimbursementPayablesForExpenseIncurredCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursement payables for expense incurred current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JulyTwentyFiveTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">July Twenty Five Two Thousand Fifteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JulyTwentyFiveTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">July twenty five two thousand fifteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JulyTwentyFiveTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">July 25, 2015 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repaid in full together with accrued interest and fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestOnSettlementOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest on Settlement of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestOnSettlementOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest on settlement of shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestOnSettlementOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest on settlement of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expected income tax recovery, Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax at U.K. federal statutory rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Statutory United Kingdom income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued, price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-deductible expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-deductible expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Third Party Engaged [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Goodwill, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Goodwill, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Goodwill, Total</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Noncash Income (Expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Noncash Income (Expense), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other non-cash expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Tax Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share Options [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Income taxes paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_PL_lbl" xlink:role="http://www.xbrl.org/2003/role/label">POLAND</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_PL_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Poland [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recapitalization upon demerger value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recapitalization upon demerger value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recapitalization upon demerger of Rezolve Limited to Rezolve AI plc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Jurisdiction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Convertible Debt One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Convertible Debt One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Loans taken</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from convertible promissory loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Potential financing through convertible notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liability measurement input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnbilledContractsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unbilled receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnbilledContractsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unbilled Contracts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedAssetAcquiredShortTermLoansAndAdvancesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term loans and advances receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedAssetAcquiredShortTermLoansAndAdvancesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Short Term loans and Advances Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedAssetAcquiredShortTermLoansAndAdvancesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired, short term loans and advances receivable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period at nominal value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period at Nominal Value [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary Shares Issued in Lieu of Cash Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RemainingCapitalCommitmentFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Remaining Capital Commitment Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RemainingCapitalCommitmentFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Remaining capital commitment facility .</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RemainingCapitalCommitmentFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining capital commitment facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions to intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Additions to intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AUDAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AUD Against the US Dollar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AUDAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">AUD against the US dollar, member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScaleUpCommerceLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scale Up Commerce Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScaleUpCommerceLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Scale Up Commerce Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScaleUpCommerceLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scale Up Commerce Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesIssuableInConnectionWithArmadaFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of shares issuable in connection with Armada fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesIssuableInConnectionWithArmadaFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares issuable in connection with Armada fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Maturity Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt maturity period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt maturity period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LegalFeesAndOtherExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal fees and other out-of-pocket expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LegalFeesAndOtherExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Fees and Other Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LegalFeesAndOtherExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Legal fees and other expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDefaultInterestRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term debt default interest rate percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDefaultInterestRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Default Interest Rate Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDefaultInterestRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt default interest rate percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PatentsAndTrademarksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Patents And Trademarks [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PatentsAndTrademarksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Patents and trademarks.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PatentsAndTrademarksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Patents and Trademarks [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfOutstandingAmountToBeRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of outstanding amount to be repaid.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfOutstandingAmountToBeRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Outstanding Amount To Be Repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfOutstandingAmountToBeRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of outstanding amount to be repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Comparitive Combined Consolidated Financial Statements Retrospectively Adjusted to Furnish Information on Comparitive Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Membership interest percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Allowances for expected credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Accounts Receivable, Allowance for Credit Loss, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Accounts Receivable, Allowance for Credit Loss, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestorCapitalContributed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor capital contributed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestorCapitalContributed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investor Capital Contributed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestorCapitalContributed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investor capital contributed.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Issuance Costs, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Debt issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Property, Plant and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PP&amp;E</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAcquiredInAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt acquired in acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAcquiredInAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt acquired in acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAcquiredInAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt acquired in Crownpeak acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInUponConversionOfPromissoryNoteShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued in Upon Conversion of Promissory Note, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInUponConversionOfPromissoryNoteShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued in upon conversion of promissory note, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInUponConversionOfPromissoryNoteShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued in upon conversion of promissory notes, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Extinguishment of Debt [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of (Gain)/loss on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExtinguishmentOfDebtAmountPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt Amount Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExtinguishmentOfDebtAmountPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Extinguishment of debt amount paid.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExtinguishmentOfDebtAmountPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Extinguishment of debt amount paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of convertible promissory loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Conversion Of Convertible Promissory Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value conversion of convertible promissory loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Convertible Loan Note In Connection With Executed Subscription Agreements [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Secured Debt</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Useful Life of Computer Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets, Useful life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net current assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Current Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Negative working capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BluedotInnovationPtyLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bluedot Innovation Pty Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BluedotInnovationPtyLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bluedot Innovation Pty. Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BluedotInnovationPtyLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bluedot Innovation Pty. Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationImpactAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Impact [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationImpactAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAnnualRevenueRequiredToAcquire_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of annual revenue required to acquire</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAnnualRevenueRequiredToAcquire_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of annual revenue required to acquire.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountOwedToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount owed to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountOwedToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount Owed to Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountOwedToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount owed to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vesting [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of share options Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share based compensation by share based award options granted during the period shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Number of options, Options issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyThreeLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Twenty Three Long Term Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyThreeLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023 LTIP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CHFAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CHF Against the US Dollar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CHFAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CHF against the US Dollar.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DischargingRewardsOutstandingIndebtednessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discharging Reward's outstanding indebtedness amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DischargingRewardsOutstandingIndebtednessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Discharging Reward's outstanding indebtedness amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DischargingRewardsOutstandingIndebtednessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After discharging Reward's outstanding indebtedness</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromShortTermDebtFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from short term debt from related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromShortTermDebtFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Short Term Debt From Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromShortTermDebtFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from short-term debt from related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleDebtAssumedInAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued to Settle Debt Assumed in Acquisition, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleDebtAssumedInAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued to settle debt assumed in acquisition, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleDebtAssumedInAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued to Western Alliance Bank to settle debt assumed in the GroupBy acquisition, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nontaxable or nondeductible items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonAccountableExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-accountable expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonAccountableExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Accountable Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonAccountableExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-accountable expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockCompensationPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockCompensationPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock Compensation Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockCompensationPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares Payable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic net (loss) income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss per share, basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Revenue Disaggregated by Geographical Market</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Repayments of Long-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of long-term debt obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByInternationalLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GroupBy International Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByInternationalLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GroupBy International Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByInternationalLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GroupBy International Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period at nominal value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period At Nominal Value [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This member stands for ordinary shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentShellCompanyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Shell Company Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Foreign currency translation gain (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Number of options, Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Number of options, Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Options outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IgorLychagovMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Igor Lychagov Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IgorLychagovMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Igor Lychagov [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IgorLychagovMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Igor Lychagov [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UncertainTaxPositionUnrecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Uncertain Tax Position Unrecognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UncertainTaxPositionUnrecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Uncertain tax position unrecognized.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UncertainTaxPositionUnrecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Uncertain tax position unrecognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Asset, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Recognized Asset Acquired, Asset, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalCommitementOthers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument additional commitement others.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalCommitementOthers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Additional Commitement Others</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalCommitementOthers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument additional commitement others</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfNoteValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Ordinary Shares upon Conversion of Note, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfNoteValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares upon conversion of note, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfNoteValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares upon conversion of Yorkville Note, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvesteeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvesteeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investee [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Ordinary Shares Upon Acquisition Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares upon acquisition value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares upon acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GBPAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GBP Against the US Dollar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GBPAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GBP against the US Dollar.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Increase in accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net loss to net cash (used in) operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Adjustments to reconcile net loss to net cash (used in) operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Summary of Future Commitments to Purchase Eligible Services and Offerings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2030</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Deferred Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation deferred adjustments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeeGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Professional fee general and administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeeGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Fee General And Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeeGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consultancy charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidFederalAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, Federal, after Refund Received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidFederalAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Tax Paid, Federal, after Refund Received, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidFederalAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">United Kingdom</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DerekSmithMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derek Smith [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DerekSmithMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Derek Smith Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantExercisablePeriodAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Period after business combination after which warrants are exercisable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantExercisablePeriodAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant exercisable period after business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantExercisablePeriodAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant exercisable period after business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IluminoLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ilumino, LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IluminoLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ilumino LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IluminoLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ilumino, LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DomesticCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Domestic Tax Jurisdiction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsAdditionalAmountCommittedByInvestorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Secured convertible loan note in connection with executed subscription agreements additional amount committed by investors.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsAdditionalAmountCommittedByInvestorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Convertible Loan Note In Connection With Executed Subscription Agreements Additional Amount Committed By Investors [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDescriptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued Description [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FnancialAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fnancial Assets [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FnancialAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fnancial Assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FnancialAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Financial Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other non-current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SirDavidWrightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sir David Wright [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebtExcludingAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Debt, Excluding Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebtExcludingAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Derivative Assets and Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss/(gain) on derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note non current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note Non Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total convertible promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Convertible promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Asset Impairment Charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Impairment loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholders' equity/(deficit) and reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FormerSubsquidShareholderMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Former Subsquid Shareholder [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FormerSubsquidShareholderMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Former Subsquid shareholder.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FormerSubsquidShareholderMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Former Subsquid Shareholder [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Liabilities and Shareholder's deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shareholders' Equity/(Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentTimingTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment Timing Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentTimingTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment Timing Tranche One Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentTimingTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment Timing Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistanceAmountCumulativeCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Government Assistance, Asset, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistanceAmountCumulativeCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivable from government authorities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyEightTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April twenty eight two thousand eighteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyEightTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">April twenty eight two thousand eighteen.,</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyEightTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 28, 2018 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Retained earnings accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvancedSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advanced Subscription Agreement Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvancedSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advanced Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvancedSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advanced Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EarlyBirdCapitalIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EarlyBirdCapital, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EarlyBirdCapitalIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EarlyBirdCapital, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payment liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FiniteLivedIntangibleAssetsImpairmentCharge_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Impairment Charge</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FiniteLivedIntangibleAssetsImpairmentCharge_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Finite lived intangible assets impairment charge.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FiniteLivedIntangibleAssetsImpairmentCharge_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less-Impairment charge</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Unsecured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory notes repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValueAddedTaxReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Value Added Tax Receivable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValueAddedTaxReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Input tax credit receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValueAddedTaxReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Input tax credits and prepaid tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CantorFitzgeraldMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cantor Fitzgerald [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CantorFitzgeraldMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cantor Fitzgerald.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nature of Operations [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Nature of Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effects of cross-border tax laws</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ServiciosLiverpoolSADeCVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicios Liverpool, S.A. de C.V. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ServiciosLiverpoolSADeCVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Servicios Liverpool, S.A. de C.V.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Bargain Purchase, Gain Recognized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on bargain purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on bargain purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cost of goods and services sold depreciation and amortizations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost Of Goods And Services Sold Depreciation And Amortizations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Depreciation and amortization expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Foreign Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesAndExciseTaxPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sales and Excise Tax Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesAndExciseTaxPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Excise tax payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesAndExciseTaxPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">VAT, duty and excise tax liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Tax Credit [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment tax credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-Based Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConditionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condition [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leases [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class A [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">A Ordinary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsShortTermDebtToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Short term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsShortTermDebtToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets short term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsShortTermDebtToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary Shares Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares payable current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Payable Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Ordinary Shares Payable Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares payable (8.3)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubsequentSettlementPaymentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Settlement Payments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubsequentSettlementPaymentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subsequent Settlement Payments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeaseDescriptionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Lease, Description [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected income tax recovery at 26.5%</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax benefit at statutory tax rates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax at U.K. federal statutory rate/ Income tax benefit at statutory tax rates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Fixed Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed fixed assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Date from which Warrants or Rights Exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Held-to-Maturity Securities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of securities called by warrants or rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche Three Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tranche Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (Loss) Income Per Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loss and earnings per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AssumedAmountOfAggregatePrincipalAmountOutstandingTermLoansAndRevolvingLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assumed amount of aggregate principal amount outstanding term loans and revolving loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AssumedAmountOfAggregatePrincipalAmountOutstandingTermLoansAndRevolvingLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assumed Amount of Aggregate Principal Amount Outstanding Term Loans and Revolving Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AssumedAmountOfAggregatePrincipalAmountOutstandingTermLoansAndRevolvingLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Assumed amount of aggregate principal amount outstanding term loans and revolving loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities and Shareholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Liabilities, Common Stock Subject to Possible Redemption and Stockholders' Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Shareholders' Equity/(Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Threshold amount raised above which immediate repayment shall be made.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Threshold Amount Raised Above Which Immediate Repayment Shall Be Made</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Threshold amount raised above which immediate repayment shall be made</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeAndOtherAccountsReceivablePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeAndOtherAccountsReceivablePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable and Unbilled receivables, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Lease Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Decrease in lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfRedemptionPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of redemption premium</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfRedemptionPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of redemption premium.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update and Change in Accounting Principle [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherDigitalAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other digital assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherDigitalAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other digital assets, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Role of Management [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNetOperatingLossAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Net Operating Loss Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNetOperatingLossAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation net operating loss adjustments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNetOperatingLossAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Operating Loss Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalStockIssuedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Stock Issued [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalStockIssuedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Stock Issued [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest payable current on short term debt current to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable Current On Short Term Debt Current To Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest payable current on short term debt current to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average exercise price, Options issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exercise price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Exercise Price Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Standby Equity Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Standby Equity Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Standby equity purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less&#8212;Accumulated depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherOperatingIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Operating Income (Expense), Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherOperatingIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other operating (income)/expense, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherOperatingIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherOperatingIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other operating (income)/expense, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherOperatingIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Other operating expense, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityFairValueNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity, Fair Value, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityFairValueNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Securities, Held-to-Maturity, Fair Value, Noncurrent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityFairValueNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair Value as of September 30, 2022</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredTermLoanFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Secured Term Loan Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredTermLoanFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior secured term loan facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredTermLoanFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Secured Term Loan Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Discount (Premium)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of debt discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Amortization of Debt Discount (Premium), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidByIndividualJurisdictionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, by Individual Jurisdiction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Effective Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, effective interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Additional interest rate to applicable interest rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred tax liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EvidonIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Evidon, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EvidonIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Evidon Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EvidonIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Evidon Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInLieuOfCashPaymentForServicesOrdinarySharesIssuedInLieuOfCashPaymentForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary shares issued in lieu of cash payment for servicesOrdinary shares issued in lieu of cash payment for services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInLieuOfCashPaymentForServicesOrdinarySharesIssuedInLieuOfCashPaymentForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued in lieu of cash payment for servicesOrdinary shares issued in lieu of cash payment for services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInLieuOfCashPaymentForServicesOrdinarySharesIssuedInLieuOfCashPaymentForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued in lieu of cash payment for services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of share option activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument convertible threshold percentage of stock price trigger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RangeEquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Range Equity Method Investment, Ownership Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RangeEquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Range equity method investment, ownership percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RangeEquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Range of equity method investment, ownership percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Indefinite-LivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite-Lived Intangible Assets Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Indefinite-LivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Indefinite-lived intangible assets gross.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Indefinite-LivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation and transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesSettlementShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Settlement Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesSettlementShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares settlement shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesSettlementShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlement shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill, Intangible assets, net, Crypto intangible assets, net and Other digital assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfSubscriptionLiabilityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in entirety of subscription liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfSubscriptionLiabilityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Entirety Of Subscription Liability [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfSubscriptionLiabilityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription Agreement Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GroupBy [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GroupBy [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GroupBy.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOtherPayables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accrued Expenses And Other Payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOtherPayables_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed current liabilities accrued expenses and other payables.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOtherPayables_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accrued expenses and other payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ViSenzePTELtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ViSenze PTE Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ViSenzePTELtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ViSenze PTE Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ViSenzePTELtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Visenze Pte. Ltd. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ViSenzePTELtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ViSenze [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Right of use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Right-of-Use Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt under troubled debt restructuring.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Under Troubled Debt Restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt under troubled debt restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyTwoTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April twenty two two thousand twenty four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyTwoTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">April twenty two two thousand twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyTwoTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 22, 2024 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Depreciation on tangible and amortization of intangible assets other than goodwill.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation On Tangible And Amortization Of Intangible Assets Other Than Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ContractWithCustomerLiabilityAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability, Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ContractWithCustomerLiabilityAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer liability, amortization.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TaylorWessingLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Taylor Wessing LLP.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TaylorWessingLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taylor Wessing LLP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TaylorWessingLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Taylor Wessing LLP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Other Asset, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AegeanBidcoLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aegean Bidco Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AegeanBidcoLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aegean Bidco Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AegeanBidcoLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aegean Bidco Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Paid, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total income taxes paid, net of refunds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Group shareholding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary, Ownership Percentage, Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponConversionOfConvertibleNotesValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued upon Conversion of Convertible Notes, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponConversionOfConvertibleNotesValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued upon conversion of convertible notes, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponConversionOfConvertibleNotesValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued upon conversion of convertible notes, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedPartyPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term convertible debt payable to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedPartyPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Convertible Debt Payable To Related Party Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedPartyPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term convertible debt payable to related party principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OutstandingTermLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Outstanding Term loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OutstandingTermLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Outstanding term loans member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net change in cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CurrentIncomeTaxExpensesBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Current Income tax expenses benefit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CurrentIncomeTaxExpensesBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expenses Benefit [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CurrentIncomeTaxExpensesBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Weighted average price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased and Retired During Period, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Representative shares returned to the Company, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CH_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SWITZERLAND</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CH_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Switzerland [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee share-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfUsefulLivesOfAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Useful Lives Of Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfUsefulLivesOfAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of useful lives of assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfUsefulLivesOfAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Summary of Initial Useful Life of Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAdditionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument face value additional amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAdditionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Face Value Additional Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAdditionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument face value additional amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilThirtyTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April thirty two thousand nineteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilThirtyTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">April thirty two thousand nineteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilThirtyTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 30, 2019 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentsOfRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Rights Issue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentsOfRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayments of rights issue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentsOfRightsIssue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayments of rights issue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net procceds from offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gross procceds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BaseRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Base Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Armada Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Armada Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Armada Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Remaining Contractual life Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Remaining life (years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Related Commitment Fees and Debt Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument borrowing fee expensed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherDigitalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other digital assets - SQD tokens</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherDigitalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Digital Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherDigitalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed other digital assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected volatility Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BluedotIndustriesPtyLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bluedot Industries Pty Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BluedotIndustriesPtyLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bluedot Industries Pty. Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BluedotIndustriesPtyLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bluedot Industries Pty. Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt And Other Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignTaxJurisdictionOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Foreign Jurisdictions [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignTaxJurisdictionOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignTaxJurisdictionOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares issued as consideration for acquisitions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument amount of interest foregone.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Amount Of Interest Foregone</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument amount of interest foregone</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income Tax Disclosure Line Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Stock and Warrants for Services or Claims</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation issued to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Financial Statement Error Correction [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recapitalization upon demerger shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recapitalization upon demerger shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recapitalization upon demerger of Rezolve Limited to Rezolve AI plc, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounting Policies Table</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnRestructuringOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on restructuring of debt</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of share options Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued from exercise of share-options, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Number of share options Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_DE_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Germany [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_DE_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GERMANY</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OutstandingEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Outstanding Equity Securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OutstandingEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Outstanding Equity Securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OutstandingEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding equity securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteSubscriptionsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note, Subscriptions Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteSubscriptionsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Subscription Receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteSubscriptionsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Share subscription receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationPermanentDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Permanent Differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationPermanentDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Permanent Differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationPermanentDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation permanent differences.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recurring Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VisenzeIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Visenze Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VisenzeIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Visenze Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VisenzeIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Visenze Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Related Party Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Repayment of related party debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Settlement of short-term debt owed to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March twenty seven two thousand seventeen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March twenty seven two thousand seventeen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 27, 2017 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued expenses and other payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accrued Liabilities, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteFromSponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Promissory Note from Sponsor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteFromSponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Promissory note from sponsor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteFromSponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Promissory note from sponsor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LiquidityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Liquidity policy.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LiquidityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liquidity [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LiquidityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liquidity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt under troubled debt restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Troubled Debt Restructuring, Debtor, Current Period [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Liability [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialPublicOfferOrSpecialPurposeAcquisitionTransactionIfOccurredBeforeSixteenthOfDecemberTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Public Offer Or Special Purpose Acquisition Transaction If Occurred Before Sixteenth Of December Two Thousand And Twenty Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advertising Cost [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advertising expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Conversion of Convertible Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of senior secured convertible notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued on conversion of senior secured notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxExpenseBenefitBeforeRestatement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit) Before Restatement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxExpenseBenefitBeforeRestatement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax expense (benefit) before restatement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxExpenseBenefitBeforeRestatement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxExpenseBenefitBeforeRestatement_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Threshold Consecutive Trading Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument consecutive trading days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Net Liabilities Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Acquisitions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_September2025PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">September 2025 Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_September2025PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">September 2025 private placement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_September2025PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">September 2025 Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GainLossOnRevaluationOfFinancialAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) On Revaluation Of Financial Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GainLossOnRevaluationOfFinancialAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain (loss) on revaluation of financial asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GainLossOnRevaluationOfFinancialAsset_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on revaluation of financial asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmployeeSalariesAndBenefitsSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee salaries and benefits sales and marketing expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmployeeSalariesAndBenefitsSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Salaries And Benefits Sales And Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmployeeSalariesAndBenefitsSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee salaries and benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesCantorFitzgerald_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor Loan issued for services Cantor Fitzgerald</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesCantorFitzgerald_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor Loan issued for services Cantor Fitzgerald</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesCantorFitzgerald_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor loan issued for services- Cantor Fitzgerald</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Transaction Cost, Excluding Separately Recognized Transaction</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Conversion of Stock, Shares Converted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonCurrentDebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Current Debt And Other Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonCurrentDebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-current&#160;debt and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonCurrentDebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non Current Debt And Other Liabilities Abstract</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLetterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Letter [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLetterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription letter.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLetterMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Subscription Letter [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right Of Use Assets And Lease Liabilities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Right of use assets and lease liabilities.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State and local income taxes, net of federal income tax effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Due to Related Parties, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Decrease)/Increase in payables due to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset, Held-in-Trust, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest-bearing demand deposit account</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmazonWebServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amazon Web Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmazonWebServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amazon Web Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Stock Options Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock issued from the exercise of stock options, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued from exercise of share-options, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant portions of our deferred tax assets and liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueOfNotesIssuableUponDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument face value of notes issuable upon demerger.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueOfNotesIssuableUponDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Face Value Of Notes Issuable Upon Demerger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueOfNotesIssuableUponDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument face value of notes issuable upon demerger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortization expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JaymaxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Jaymax Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JaymaxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Jaymax [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JaymaxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Jaymax [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Tax Credit [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment tax credit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ImpairmentOfLoanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Impairment of loans receivable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ImpairmentOfLoanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment Of Loan Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ImpairmentOfLoanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment of loans receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferred tax asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FairValueOfWarrantLiabilityRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of warrant liability recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FairValueOfWarrantLiabilityRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value of Warrant Liability Recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FairValueOfWarrantLiabilityRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of warrant liability recognized.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Revenue, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Revenue, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferred revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Right Of Use Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed right of use assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Right of use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other non-current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Prepaid expenses and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleDebtAssumedInAcquisitionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued to Settle Debt Assumed in Acquisition, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleDebtAssumedInAcquisitionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued to settle debt assumed in acquisition, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleDebtAssumedInAcquisitionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued to Western Alliance Bank to settle debt assumed in the GroupBy acquisition, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EURAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EUR Against the US Dollar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EURAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EUR against the US dollar member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued upon exercise of share options under LTIP by related parties, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued upon Exercise of Share Options under LTIP by Related Parties, Value,</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued upon exercise of share options under LTIP by related parties, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Presentation and Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of presentation and summary of significant accounting policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionAsAPercentageOfSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument conversion as a percentage of share price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionAsAPercentageOfSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion As A Percentage Of Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionAsAPercentageOfSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument conversion as a percentage of share price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PipeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PIPE [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ATTRAQTIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ATTRAQT, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ATTRAQTIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ATTRAQT Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ATTRAQTIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ATTRAQT Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidForeignAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidForeignAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, Foreign, after Refund Received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidForeignAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Tax Paid, Foreign, after Refund Received, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Expense, Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest expense recognized from the amortization of the debt discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MicrosoftCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Microsoft Corporation [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MicrosoftCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Microsoft Corporation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Unamortized Discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument unamortized discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Discount on convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Intangible Assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ANYLifestyleMarketingGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ANY Lifestyle Marketing GmbH [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ANYLifestyleMarketingGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ANY Lifestyle Marketing GmbH.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WilsonSonsiniGoodrichAndRosatiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Wilson Sonsini Goodrich&#160;&amp; Rosati.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WilsonSonsiniGoodrichAndRosatiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Wilson Sonsini Goodrich And Rosati [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WilsonSonsiniGoodrichAndRosatiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Wilson Sonsini Goodrich &amp; Rosati [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DigitalAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Digital Assets [member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DigitalAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Digital assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares forfeited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriters' over-allotment option expired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underwriters over-allotment option expired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of Shares Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Under Troubled Debt Restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term debt under troubled debt restructuring.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt under troubled debt restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, after Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Securities Trading Fair Value To Amortized Cost [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Crownpeak Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crownpeak acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Crownpeak acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountDepositedIntoTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount deposited into trust account.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountDepositedIntoTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount Deposited Into Trust Account</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountDepositedIntoTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount deposited into trust account</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt and other liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt and Other Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total purchase price consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value of total consideration transferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair value of total consideration transferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short term convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt (8.4)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfIndependentDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of independent directors.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfIndependentDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of independent directors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfIndependentDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of independent directors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Equity Interest, Share Issued, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares to be issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Issued share capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recognized intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred (benefit)/expense:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtExtinguishmentCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for Debt Extinguishment or Debt Prepayment Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtExtinguishmentCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument prepayments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionConsiderationTransferredContingentConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Acquisition, Consideration Transferred, Contingent Consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionConsiderationTransferredContingentConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationPermanentDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Permanent Differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationPermanentDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Permanent Differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationPermanentDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation permanent differences.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOther_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Liability [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investments [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of List of Subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LaLigaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">La Liga [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LaLigaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">La Liga Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LaLigaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">La Liga [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SupplementalCashFlowLeaseAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Lease Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SupplementalCashFlowLeaseAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supplemental cash flow lease amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SupplementalCashFlowLeaseAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SupplementalCashFlowLeaseAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable and Other Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trade and other payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class B [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">B Ordinary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TotalShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total short term debt under troubled debt restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TotalShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total short term debt under troubled debt restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TotalShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total Short Term Debt Under Troubled Debt Restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TotalShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Total short term debt under troubled debt restructuring.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MagusResearchLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Magus Research Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MagusResearchLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Magus Research Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MagusResearchLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Magus Research Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetDeferredTaxAssetLiabilityNetOfValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Deferred Tax Asset Liability Net Of Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetDeferredTaxAssetLiabilityNetOfValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net deferred tax asset liability net of valuation allowance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetDeferredTaxAssetLiabilityNetOfValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Deferred Tax Asset/(Liability), net of Valuation Allowance:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Notes Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyTwoLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Twenty Two Long Term Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyTwoLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022 LTIP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Acquisitions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxPeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPowerPlusDeutschlandGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">MPower Plus Deutschland GmbH [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPowerPlusDeutschlandGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">MPower Plus Deutschland GmbH.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPowerPlusDeutschlandGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">MPower Plus Deutschland GmbH [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loans Payable, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisors loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Advisors loans (8.8)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation - employees shares restrictions lifted, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Employees Shares Restrictions Lifted Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation employees shares restrictions lifted shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyTransactionProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction professional fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyTransactionProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction Professional Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyTransactionProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consulting fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitment Period One Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment period one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitment Period 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure for other current and long-term liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Current and Long-term Liabilities [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other current and long-term liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccruedAndUnpaidExitAndAmendmentFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued and Unpaid Exit and Amendment Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccruedAndUnpaidExitAndAmendmentFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued and unpaid exit and amendment fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccruedAndUnpaidExitAndAmendmentFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued and unpaid exit and amendment fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Current Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Other Current Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAndCapitalMarketsAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial and capital markets advisory fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAndCapitalMarketsAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial and capital markets advisory fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAndCapitalMarketsAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Armada fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LockInPeriodOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lock in period of shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LockInPeriodOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lock In Period Of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LockInPeriodOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lock in period of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfRestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale of Restricted Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfRestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of restricted investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfRestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from sale of restricted investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S federal operating loss carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ATTRAQTGroupLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ATTRAQT Group Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ATTRAQTGroupLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ATTRAQT Group Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ATTRAQTGroupLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ATTRAQT Group Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeNamesAndTrademarks_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trade names and Trademarks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeNamesAndTrademarks_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Trade Names And Trademarks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeNamesAndTrademarks_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed trade names and trademarks.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, after Allowance for Credit Loss, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accounts receivable, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts receivable and unbilled receivable, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidByIndividualJurisdictionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, by Individual Jurisdiction [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments (refer to note 18)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Leases [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VASTUSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">VAST US [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VASTUSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">VAST US.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation by share based award options granted subject to additional vesting condition in addition to service period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation By Share Based Award Options Granted Subject To Additional Vesting Condition In Addition To Service Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award options granted subject to additional vesting condition in addition to service period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary share-based compensation issued to related parties, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Short-Term Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and Administrative Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite-Lived Intangible Assets [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RothCapitalPartnersLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Roth Capital Partners LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RothCapitalPartnersLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Roth Capital Partners LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByUKLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GroupBy UK Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByUKLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GroupBy UK Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByUKLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GroupBy UK Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Basis Spread on Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, variable interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Applicable margin</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleTerminationOfAcquisitionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued to Settle Termination of Acquisition, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleTerminationOfAcquisitionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued to settle termination of acquisition, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleTerminationOfAcquisitionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued to Radio Group to settle termination of ANY acquisition in Germany, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, before Allowance for Credit Loss, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forecast [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forecast [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Unsecured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of unsecured debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Convertible promissory notes taken</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt (8.1)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossOnShareIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss on share issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossOnShareIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss on share issuance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireRestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Restricted Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireRestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment to acquire restricted investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorsLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisors Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorsLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisors loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorsLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisors Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Category of Item Purchased [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Derivative Instruments, Net, Pretax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Derivative Instruments, Net, Pretax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gain on derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Loss)/gain on derivatives</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitForTheRegistrationStatementToBecomeEffectiveFromTheDateOfConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Limit For The Registration Statement To Become Effective From The Date Of Consummation Of Business Combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitForTheRegistrationStatementToBecomeEffectiveFromTheDateOfConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time limit for the registration statement to become effective from the date of consummation of business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Promissory Note Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Promissory Note [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Promissory Note [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation by share based award grants in period remaining contractual term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation By Share Based Award Grants In Period Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Remaining Contractual life Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtorTroubledDebtRestructuringCurrentPeriodTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Debtor Troubled Debt Restructuring, Current Period [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtorTroubledDebtRestructuringCurrentPeriodTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Carrying Amount of Short Term Debt Under Troubled Debt Restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Other Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from rights issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTaiwanLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Taiwan Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTaiwanLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Taiwan Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTaiwanLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Taiwan Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeaseDescriptionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Lease, Description [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisitionEquityInterestsIssuedOrIssuableValueOfSharesReturned_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Business acquisition, shares issued / issuable returned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisitionEquityInterestsIssuedOrIssuableValueOfSharesReturned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Equity Interests Issued or Issuable Value of Shares Returned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisitionEquityInterestsIssuedOrIssuableValueOfSharesReturned_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition equity interests issued or issuable value of shares returned.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Noncurrent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Non-current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued upon Exercise of Share Options under LTIP by Related Parties, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued upon exercise of share options under LTIP by related parties, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued upon exercise of share options under LTIP by related parties, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">January twenty five Two Thousand Sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">January twenty five two thousand sixteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">January 25, 2016 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Conversion of Advisors Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value conversion of advisors loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of advisors loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeStart1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date Range, Start</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeStart1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument beginning date of maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalDefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional default shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalDefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Default Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalDefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Default Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss before income taxes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss before income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss before income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period at nominal value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period At Nominal Value [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Excluding Current Maturities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PreTCJA20PostTCJAIndefiniteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-TCJA 20, Post-TCJA Indefinite [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PreTCJA20PostTCJAIndefiniteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre TCJA 20, Post TCJA Indefinite [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PreTCJA20PostTCJAIndefiniteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Pre-TCJA 20, Post-TCJA indefinite.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payment to related parties general and administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Payment To Related Parties General And Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior-secured term-loan facility (the "Facility")</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Debt, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonOperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nonoperating Income (Expense).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonOperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non operating Income (Expenses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonOperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other expenses, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic Weighted-average shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares, basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from External Customers by Geographic Areas [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Revenue By Geographical Region</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountPreviouslyReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument additional face amount previously received.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountPreviouslyReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Additional Face Amount Previously Received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountPreviouslyReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument additional face amount previously received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Default shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Default Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Default Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Liability, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Recognized Liability Assumed, Liability, Noncurrent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TermLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Term loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TermLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Term loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TermLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesIssuedToAdvisorsValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued to Advisors, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesIssuedToAdvisorsValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares issued to advisors, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesIssuedToAdvisorsValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued to advisors, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Promissory Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Current Liabilities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplierConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier Concentration Risk [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of the federal income tax rate to the company's effective tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveMobileCommerceIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Mobile Commerce Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveMobileCommerceIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Mobile Commerce Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveMobileCommerceIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Mobile Commerce Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SmartpayAndTrutherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Smartpay and Truther Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SmartpayAndTrutherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Smartpay and Truther [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SmartpayAndTrutherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Smartpay and Truther.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VariousMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Various [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VariousMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Various.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Private Placement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right Of Use Assets And Lease Liabilities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Right Of Use Assets And Lease Liabilities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term lease term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Lease Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term lease term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Credit, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective Income Tax Rate Reconciliation, Tax Credit, Percent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, principal and interest outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryEighteenTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February eighteen two thousand twenty two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryEighteenTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">February eighteen two thousand twenty two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryEighteenTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">February 18, 2022 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-based Payment Arrangement, Increase for Cost Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-based compensation in lieu of services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation - employees shares restrictions lifted, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share based compensation employees shares restrictions lifted value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation employees shares restrictions lifted value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTimingOfRepaymentTrancheAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Timing Of Repayment Tranche [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTimingOfRepaymentTrancheAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Timing Of Repayment Tranche Axis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Contingent Consideration, Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent consideration, current portion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total shareholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Shareholders' Equity/(Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentRegistrationStatement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Registration Statement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments to Acquire Investments, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Investment in Art Equities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNonConvertiblePortionOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument non convertible portion of debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNonConvertiblePortionOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Non Convertible Portion Of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNonConvertiblePortionOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument non convertible portion of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperSARLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fredhopper SARL [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperSARLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fredhopper SARL.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperSARLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fredhopper SARL [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsDisallowedInterestCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Disallowed Interest Carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsDisallowedInterestCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets disallowed interest carryforward.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsDisallowedInterestCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disallowed Interest Carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecondARYaAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second A&amp;R YA Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecondARYaAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second A&amp;R YA Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecondARYaAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Second A&amp;R YA Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Existence of Option to Extend [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Option to extend</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Warrants Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock Issued During Period Value Warrants Exercised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercised, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Liability [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity method investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Goods and Service [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VASTAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">VAST Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VASTAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">VAST Acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLifted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Employees Shares Restrictions Lifted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLifted_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation employees shares restrictions lifted.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLifted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation - employees shares restrictions lifted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwoTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October Two Two Thousand Fifteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwoTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">October two two thousand fifteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwoTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October 02, 2015 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberFifteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October fifteen two thousand twenty one [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberFifteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">October fifteen two thousand twenty one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberFifteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October 15, 2021 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximumTimePeriodForDefaultToBeRectified_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum time period for default to be rectified</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximumTimePeriodForDefaultToBeRectified_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Time Period For Default To Be Rectified</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximumTimePeriodForDefaultToBeRectified_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum time period for default to be rectified</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtLongtermAndShorttermCombinedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Long-Term and Short-Term, Combined Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtLongtermAndShorttermCombinedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total short-term and long-term debt and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProprietaryUtilityTokenSQDTokensMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SQD Tokens [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProprietaryUtilityTokenSQDTokensMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proprietary Utility Token, SQD Tokens [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProprietaryUtilityTokenSQDTokensMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proprietary utility token, SQD tokens, member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentForDevelopmentOfIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payment for development of intangible asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentForDevelopmentOfIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Payment For Development Of Intangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentForDevelopmentOfIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payment for development of intangible asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A preferred shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PolarMultiStrategyMasterFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Polar multi strategy master fund.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PolarMultiStrategyMasterFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Polar Multi Strategy Master Fund [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PolarMultiStrategyMasterFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Polar Multi Strategy Master Fund [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustTwentySevenTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">August Twenty seven two thousand nineteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustTwentySevenTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">August Twenty seven two thousand nineteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustTwentySevenTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">August 27, 2019 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_BusinessContactMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Contact [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Property, plant &amp; equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SummaryOfCashPaidForIncomeTaxesNetOfRefundsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Amount of Cash Paid for Income Taxes (Net of Refunds)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SummaryOfCashPaidForIncomeTaxesNetOfRefundsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Cash Paid for Income Taxes, Net of Refunds [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SummaryOfCashPaidForIncomeTaxesNetOfRefundsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of cash paid for income taxes (net of refunds).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_July2025PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">July 2025 Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_July2025PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">July 2025 private placement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_July2025PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">July 2025 Private Placement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Secured Convertible Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior secured convertible notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Secured Convertible Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Over-Allotment Option [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss), Foreign Currency Transaction, before Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Unrealized foreign exchange (gain)/loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Foreign exchange gain/(loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign exchange gain/(loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign exchange loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selling and Marketing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisitionPercentageOfIssuedAndOutstandingSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition percentage of issued and outstanding shares acquired.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisitionPercentageOfIssuedAndOutstandingSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Percentage Of Issued And Outstanding Shares Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisitionPercentageOfIssuedAndOutstandingSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of issued and outstanding shares acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WondrGamingCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Wondr Gaming Corporation [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WondrGamingCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Wondr Gaming Corporation [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccruedInterestOnShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Interest on Short Term Debt Under Troubled Debt Restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccruedInterestOnShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued interest on short term debt under troubled debt restructuring.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccruedInterestOnShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest on short term debt under troubled debt restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtOneAndTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Convertible Debt One And Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtOneAndTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Convertible Debt One And Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Ordinary Shares Upon Conversion of Advance Subscription, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares upon conversion of advance subscription, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares upon conversion of advance subscription, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtRelatedAndNonRelatedPartiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Related And Non Related Parties [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtRelatedAndNonRelatedPartiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debt Related And Non Related Parties [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/label">UNITED STATES</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">United States [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">United States [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleTerminationOfAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued to Radio Group to settle termination of ANY acquisition in Germany, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleTerminationOfAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued to Settle Termination of Acquisition, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedToSettleTerminationOfAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued to settle termination of acquisition, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsNoteDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Note Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromIssuanceOfCommonStockToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of common stock to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromIssuanceOfCommonStockToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance Of Common Stock To Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromIssuanceOfCommonStockToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of common stock to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountsAdjustmentRetentionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts adjustment retention amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountsAdjustmentRetentionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounts adjustment retention amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, Date of Incorporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of incorporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Date of registration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IndefiniteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DonnellyFinancialLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Donnelly Financial LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DonnellyFinancialLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Donnelly Financial LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_PresidentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">President [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Effective Date of Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effective date of acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FounderShares1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Founder Shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FounderShares1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Founder Shares 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Self-IssuedTokensCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Self-issued tokens carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Self-IssuedTokensCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Self-issued tokens carrying amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in our unrecognized tax benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareAcquisitionRetentionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share acquisition retention amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareAcquisitionRetentionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share acquisition retention amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">In Process Research and Development [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">In-development Intangible Asset [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TetherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tether [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TetherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tether [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TetherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tether.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConsiderationPaidReceivedPercentageOfMarketCapitalizationMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consideration Paid Received Percentage Of Market Capitalization Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConsiderationPaidReceivedPercentageOfMarketCapitalizationMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration paid received percentage of market capitalization minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakTechnologyIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Crownpeak Technology, In [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakTechnologyIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Crownpeak Technology Inc.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnitedKingdomAndEuropeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">United Kingdom and Europe [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnitedKingdomAndEuropeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">United Kingdom and Europe [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash and cash equivalents threshold amount below which debt may be converted into equity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash And Cash Equivalents Threshold Amount Below Which Debt May Be Converted Into Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents threshold amount below which debt may be converted into equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investment, Ownership Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity method investment, ownership percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesFromStockholderMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivables from Stockholder [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesFromStockholderMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share subscription receivable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of representative</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares issued to related parties, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RadioGroupGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Radio Group GmbH [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RadioGroupGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Radio Group GmbH.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Exercise Price Vested and exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProprietaryUtilityTokenSQDTokenValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proprietary Utility Token, SQD Token, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProprietaryUtilityTokenSQDTokenValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proprietary utility token, SQD token, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProprietaryUtilityTokenSQDTokenValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SQD Tokens, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProprietaryUtilityTokenSQDTokenValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">SQD tokens</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRepaidPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Repaid, Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRepaidPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt repaid with accrued interest and fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Expertise of Management Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ChineseBusinessesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Chinese Businesses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ChineseBusinessesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Chinese businesses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrants outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BerenbergOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Berenberg One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BerenbergOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Berenberg.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BerenbergOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Berenberg [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Charges, Policy [Policy Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxPeriodAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneFifteenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June fifteen two thousand sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneFifteenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June fifteen two thousand sixteen.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Long-Term Debt</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPLUSGlobalPTELtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mpower PLUS Global PTE Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPLUSGlobalPTELtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mpower PLUS Global PTE. Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPLUSGlobalPTELtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mpower PLUS Global PTE. Ltd. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentArrangementFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Arrangement Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentArrangementFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument arrangement fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentArrangementFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument arrangement fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentOfShortTermDebtBorrowedFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment of short term debt borrowed from related party.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentOfShortTermDebtBorrowedFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of short-term debt obligation from related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PlacementAgentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Placement Agent Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PlacementAgentAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Placement agent agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Other Reconciling Items Deferred Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective Income Tax Rate Reconciliation Other Reconciling Items Deferred Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Tax Jurisdiction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerListsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Lists [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerListsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Lists [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EntityIncorporationCountryOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation Country Of Incorporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EntityIncorporationCountryOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Country of incorporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesUnderRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued under the rights issue, shares</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Contingent Consideration, Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Contingent consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFDICInsuredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, FDIC Insured Amount</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberFifteenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">December Fifteen Two Thousand Sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberFifteenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">December fifteen two thousand sixteen.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Indefinite-Lived Intangible Assets (Excluding Goodwill), Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Conversion of Advisors Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period shares conversion of advisors loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of advisors loans, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Date of Acquisition Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of acquisition agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_ContactPersonnelName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contact Personnel Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding principal amount of term loans and revolving loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expenses and other non operating income expense net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expenses And Other Non Operating Income Expense Net [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property, Plant and Equipment, Gross, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByUSAIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GroupBy USA Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByUSAIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GroupBy USA Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByUSAIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GroupBy USA Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesDerivatives_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Derivative Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expense (Benefit), Continuing Operations [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current expense:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit and Share-Based Payment Arrangement, Noncash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee share based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share based compensation for employees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation by share based award options granted subject to additional vesting condition in addition to service period term of vesting.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation By Share Based Award Options Granted Subject To Additional Vesting Condition In Addition To Service Period Term Of Vesting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award options granted subject to additional vesting condition in addition to service period term of vesting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument conversion price percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion Price Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument conversion price percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss before recovery of income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loss before provision for income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPowerPlusBVBAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">MPower Plus BVBA [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPowerPlusBVBAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">MPower Plus BVBA.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPowerPlusBVBAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">MPower Plus BVBA [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of share options Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TechnologyBasedIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Technology-Based Intangible Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TechnologyBasedIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Developed Technology [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetAssetLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial asset carried at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetAssetLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Asset (Liability)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetAssetLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Net Asset (Liability), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Other Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from other debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyFourLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Twenty Four Long Term Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyFourLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2024 long term incentive plan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyFourLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024 LTIP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment of long-lived assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory rate difference</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitment period Three Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment period three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitment Period 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTimingOfRepaymentTrancheDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Timing Of Repayment Tranche [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTimingOfRepaymentTrancheDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Timing Of Repayment Tranche Domain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash and cash equivalents, beginning of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash and cash equivalents, end of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DirectorRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Director remuneration.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DirectorRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Director Remuneration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DirectorRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Director remuneration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebtAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Trading, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebtAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Value as of September 30, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayFiveTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May five two thousand twenty three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayFiveTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May five two thousand twenty three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayFiveTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 05, 2023 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Exercise Price of Warrants or Rights</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Securities Trading Fair Value To Amortized Cost [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-based payment expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Trading debt securities gross unrealized loss.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencyAccrualProductLiabilityDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction of settlement payment for timely and indefeasibly paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencyAccrualProductLiabilityDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency Accrual, Product Liability, Discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ICFR Auditor Attestation Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAndCapitalRaisingAdvisoryServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial and Capital Raising Advisory Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAndCapitalRaisingAdvisoryServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial and capital raising advisory services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SmartpayDigitalServicesLimitadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Smartpay Digital Services Limitada [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SmartpayDigitalServicesLimitadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Smartpay Digital Services Limitada.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SmartpayDigitalServicesLimitadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Smartpay Digital Services Limitada [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency Nature [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_HCWainwrightCoLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">H.C. Wainwright &amp; Co., LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_HCWainwrightCoLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">H.C. Wainwright &amp; Co., LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_HCWainwrightCoLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">H.C. Wainwright &amp; Co., LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VASTSellersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">VAST Sellers [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VASTSellersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">VAST Sellers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency, Nature [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Security, Excluded EPS Calculation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VestingAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vesting [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive loss, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Yorkville Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Yorkville [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Yorkville [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">YA [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RegisteredOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Registered Offering [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RegisteredOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Registered Offering.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RegisteredOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Registered Offering [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right Of Use Assets And Lease Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Right of use assets and lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfRightOfUseAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Right Of Use Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfRightOfUseAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of right of use assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfRightOfUseAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of right of use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Tax Credit Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment tax credit disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Tax Credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Percentage Bearing Fixed Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt bearing fixed interest rate percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfNoteShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Ordinary Shares upon Conversion of Note, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfNoteShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares upon conversion of note, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponConversionOfNoteShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares upon conversion of Yorkville Note, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class of warrants or rights excercised during the period shares issued.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Warrants Or Rights Exercised During The Period Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of warrants or rights excercised during the period shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FairValueOfEmployeeShareForThePurposesOfEstimate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of employee share for the purposes of estimate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FairValueOfEmployeeShareForThePurposesOfEstimate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Employee Share For The Purposes Of Estimate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FairValueOfEmployeeShareForThePurposesOfEstimate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value per employee share for the purposes of estimate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RevisionOfPriorPeriodReclassificationAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period, Reclassification, Adjustment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RevisionOfPriorPeriodReclassificationAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments for Bluedo Industries Common Control Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ApeironInvestmentGroupLtsAndBradleyWickensMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Apeiron Investment Group Lts and Bradley Wickens [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ApeironInvestmentGroupLtsAndBradleyWickensMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Apeiron Investment Group Lts and Bradley Wickens.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of changes in tax laws or rates enacted in the current period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebtAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Gain)/loss on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebtAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Extinguishment of Debt [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesSubscribedButUnissued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Subscribed but Unissued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesSubscribedButUnissued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock subscribed but not issued shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPayablesToRelatedPartyCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other payables to related party current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPayablesToRelatedPartyCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Payables To Related Party Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPayablesToRelatedPartyCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Due to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPayablesToRelatedPartyCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion Into Equity Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Conversion Into Equity Tranche Two Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument Conversion Into Equity Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income and Expense [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Non-operating (income)/ expenses, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expenses and other non operating income expense net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expenses And Other Non Operating Income Expense Net [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesIssuedToAdvisorsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued to Advisors, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesIssuedToAdvisorsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares issued to advisors, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesIssuedToAdvisorsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued to advisors, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Deferred Revenue</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrepaidExpensesAndOtherCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepaid expenses and other current assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrepaidExpensesAndOtherCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expenses and other Current Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrepaidExpensesAndOtherCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayments and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AnthonySharpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Anthony Sharp [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AnthonySharpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Anthony Sharp [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">International rate differences</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory/International rate differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term debt due to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Due To Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term debt to related parties (8.2)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Professional fees sales and marketing expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Fees Sales And Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consultancy charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayThirtyOneTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May thirty one two thousand eighteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayThirtyOneTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May thirty one two thousand eighteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayThirtyOneTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 31, 2018 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationOtherReconcilingItemsDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationOtherReconcilingItemsDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Other Reconciling Items Deferred Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationOtherReconcilingItemsDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation other reconciling items deferred adjustments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="stpr_NY_lbl" xlink:role="http://www.xbrl.org/2003/role/label">NEW YORK</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AllocatedShareBasedCompensationInTheAbsenceOfRestriction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Allocated share based compensation in the absence of restriction.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AllocatedShareBasedCompensationInTheAbsenceOfRestriction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allocated Share Based Compensation In The Absence Of Restriction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AllocatedShareBasedCompensationInTheAbsenceOfRestriction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allocated share based compensation had there been no restriction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible asset, gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Expiration of Unused Tax Losses For Which No Deferred Tax Assets Recognised [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of expiration of unused tax losses for which no deferred tax assets recognised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Unused Non-capital Income Tax Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveChinaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve China [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted Weighted-average shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued upon Exercise of Share Options by Consultants, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued upon exercise of share options by consultants, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued upon exercise of share options by consultants, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketingAndAdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marketing and Advertising Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketingAndAdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advertisement and publicity expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MonroeDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Monroe Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MonroeDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Monroe debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MonroeDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Monroe debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonCompetitionAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non competition agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonCompetitionAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Non Competition Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonCompetitionAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed non competition agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RewardAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reward Acquisition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RewardAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reward Acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected volatility Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareDisposalRetentionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share disposal retention amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareDisposalRetentionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share disposal retention amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestBearingDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest-Bearing Deposits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestBearingDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest bearing demand deposit account [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redemption price of warrants per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants redemption price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants redemption price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ATTRAQTLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ATTRAQT Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ATTRAQTLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ATTRAQT Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ATTRAQTLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ATTRAQT Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Prepaid expenses and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taxes Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Taxes Payable, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income taxes payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Other Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Other liabilities/Other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnitedKingdomGermanyAndBulgariaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">UNITED KINGDOM, GERMANY and BULGARIA</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnitedKingdomGermanyAndBulgariaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">United Kingdom, Germany and Bulgaria.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Benchmark [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Domain]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Treasury Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">U.S. Treasury Bills [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DOrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">D ordinary shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award number of shares authorized for issuance</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTerminatedDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument terminated date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTerminatedDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument terminated date</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAiFinanceLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Ai Finance LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAiFinanceLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Ai Finance LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAiFinanceLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Ai Finance LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtConvertibleIntoEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term debt convertible into equity member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtConvertibleIntoEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Convertible Into Equity [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtConvertibleIntoEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt to related party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and administrative expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">General and administrative expenses (including related party transactions of $8,120,684 and $68,413,399, see note 14)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfDaysWithinWhichInvestorShallContributeCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of days within which investor shall contribute capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfDaysWithinWhichInvestorShallContributeCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Days Within Which Investor Shall Contribute Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfDaysWithinWhichInvestorShallContributeCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of days within which investor shall contribute capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of debt securities trading fair value to amortized cost [Table text block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Securities Trading Fair Value To Amortized Cost [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Summary of fair value measurements with carrying value approximating fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialPublicOfferOrSpecialPurposeAcquistionTransactionIfOccurredAfterSixteenthOfDecemberTwoThousandAndTwentyTwoAndBeforeSixteenthOfJuneTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Public Offer Or Special Purpose Acquistion Transaction If Occurred After Sixteenth Of December Two Thousand And Twenty Two And Before Sixteenth Of June Two Thousand And Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Contingent Consideration, Liability, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent consideration, non-current portion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentExercisePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Exercise Price PerShare.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentExercisePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share Based Compensation Arrangement By Share Based Payment Exercise Price PerShare.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentExercisePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation arrangement by share based payment exercise price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfIncreaseDecreaseOfForeignCurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of increase decrease of foreign currency.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfIncreaseDecreaseOfForeignCurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Increase Decrease Of Foreign Currency</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfIncreaseDecreaseOfForeignCurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of increase decrease of foreign currency</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPPLUSRMSRLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">MP PLUS RM S.R.L [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPPLUSRMSRLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">MP PLUS RM S R L [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPPLUSRMSRLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">MP PLUS RM S.R.L.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of share options Cancelled/Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Number of share options Cancelled/Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (loss)/income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation to consultant, share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stock issued during period, shares, issued for services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase Commitment, Remaining Minimum Amount Committed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Committed to spend under agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of outstanding balances as on reporting date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Outstanding Balances As On Reporting Date [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Outstanding balances as at reporting date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Customers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of customers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of representative shares, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares issued to related parties, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Accounts Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable and accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accounts payable and accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accounts payable and accrued liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Accounts payable and accrued liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeptemberFourteenTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">September fourteen two Thousand Eighteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeptemberFourteenTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">September fourteen two Thousand Eighteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeptemberFourteenTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">September 14, 2018 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Conversion Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan conversion price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Warrant Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants issued with loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DanielWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Daniel Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DanielWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Daniel Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EarlyBirdsSASMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Early Birds SAS [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EarlyBirdsSASMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Early Birds SAS.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EarlyBirdsSASMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Early Birds SAS [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneSeventeenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June Seventeen Two Thousand Fourteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneSeventeenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June seventeen two thousand fourteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneSeventeenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 17, 2014 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of changes in tax laws or rates enacted in the current period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAndBorrowingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument face value and borrowing fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAndBorrowingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Face Value And Borrowing Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAndBorrowingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument face value and borrowing fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain/(loss) on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Extinguishment of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Extinguishment of Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loss on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Exercise Price Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Event of default interest rate increase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisitionPercentageOfIssuedAndToBeIssuedShareCapitalAgreedToAcquire_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of issued and to be issued share capital, agreeed to acquire</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisitionPercentageOfIssuedAndToBeIssuedShareCapitalAgreedToAcquire_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Percentage of Issued and to be Issued Share Capital Agreed to Acquire</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisitionPercentageOfIssuedAndToBeIssuedShareCapitalAgreedToAcquire_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition percentage of issued and to be issued share capital agreed to acquire.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated Useful Life of Property Plant and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Recently issued and adopted accounting pronouncements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Maturity Analysis of Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of Maturities of Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Conversion of Convertible Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercise to purchase common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares issued on conversion of senior secured convertible notes, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation arrangement by share-based payment award, award vesting period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecruitmentDatabaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recruitment Database [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecruitmentDatabaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recruitment database.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecruitmentDatabaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Recruitment Database [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtIssuanceCostsOnShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs On Short Term Debt Under Troubled Debt Restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtIssuanceCostsOnShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt issuance costs on short term debt under troubled debt restructuring.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtIssuanceCostsOnShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt issuance costs on short term debt under troubled debt restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtIssuanceCostsOnShortTermDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Debt issuance costs on short term debt under troubled debt restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Risk-free interest rate Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MiscellaneousAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Miscellaneous accrued liabilities current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MiscellaneousAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Miscellaneous Accrued Liabilities Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MiscellaneousAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Domestic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">UK</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Expense / (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountRaisedFromTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount Raised From Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountRaisedFromTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount raised from transactions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountRaisedFromTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amount raised from transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in entirety of expenses and other non operating income expense [Text Block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Entirety Of Expenses And Other Non Operating Income Expense [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses and other non-operating income/(expense), net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ServiceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Service Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ServiceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Service Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ServiceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Service agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherNonOperatingIncomes_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherNonOperatingIncomes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other non operating income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherNonOperatingIncomes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Non Operating Incomes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherNonOperatingIncomes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from long-term debt obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Issuance of Long-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Carrying Amount of Equity Component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, promissory note, cash settlement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables, Net, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Receivables, Net, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Term of Contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease initial term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvesteeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvesteeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investee [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwelveTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October twelve two thousand twenty one [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwelveTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">October twelve two thousand twenty one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwelveTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October 12, 2021 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Common Stock, Shares, Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Shares, Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Right-Of-UseAssetsObtainedInExchangeForLeaseObligationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right-of-use Assets Obtained In Exchange For Lease Obligations [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Right-Of-UseAssetsObtainedInExchangeForLeaseObligationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Right-of-use assets obtained in exchange for lease obligations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Right-Of-UseAssetsObtainedInExchangeForLeaseObligationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Right-of-use assets obtained in exchange for lease obligations:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponConversionOfConvertibleNotesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued upon Conversion of Convertible Notes, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponConversionOfConvertibleNotesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued upon conversion of convertible notes, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponConversionOfConvertibleNotesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued upon conversion of convertible notes, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Lease liabilities, current portion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current portion of lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustThirtyOneTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">August thirty one two thousand twenty [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustThirtyOneTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">August thirty one two thousand twenty.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustThirtyOneTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">August 31, 2020 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion Into Equity Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Conversion Into Equity Tranche One Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument Conversion Into Equity Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TroubledDebtRestructuringNoteDebtorAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Troubled Debt Restructuring Note, Debtor [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SGDAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SGD Against the US Dollar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SGDAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SGD against the US Dollar.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySixTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June twenty six two thousand twenty [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySixTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June twenty six two thousand twenty.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySixTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 26, 2020 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Deferred Tax Asset/(Liability):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Formation and operating costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating expenses/(income)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherDigitalAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Digital Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherDigitalAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other digital assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Research and development expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Research and development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Impairment Charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Asset Impairment Charges, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment charge</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Impairment loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentForAcquisitionCryptoAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for Acquisition, Crypto Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentForAcquisitionCryptoAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment for acquisition of crypto asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Twenty Seven Two Thousand Fifteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March twenty seven two thousand fifteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 27, 2015 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Leases [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DBoralCapitalLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">D Boral Capital LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DBoralCapitalLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">D Boral Capital LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DBoralCapitalLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">D. Boral Capital LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDiscountedCashFlowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Technique, Discounted Cash Flow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDiscountedCashFlowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation Technique, Discounted Cash Flow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory notes (8.7)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LitigationStatusAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Litigation Status [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">The income tax provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Balance Sheet, Supplemental Disclosures [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of balance sheet, supplemental disclosures.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Supplemental Balance Sheet Information Related To Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationForConsultancyServices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation for consultancy services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationForConsultancyServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation for Consultancy Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationForConsultancyServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-Based Payment Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationForConsultancyServices_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share based compensation for consultancy services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share based Compensation Arrangement By Share based Payment Award Options exercisable at Liquidity Event</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award options exercisable at liquidity event.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Options exercisable at Liquidity Event</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued upon Exercise of Share Options under LTIP by Employees, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued upon exercise of share options under LTIP by employees, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued upon exercise of share options under LTIP by employees, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Federal Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">United Kingdom</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock issued, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Capital Issued at nominal value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Option, Activity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of share options valuation assumptions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Summary of Share Options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business development expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Trading</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair Value as of September 30, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments to Acquire Businesses, Net of Cash Acquired, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders' Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfExtinguishmentOfDebtTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharePricePerShareForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The minimum common stock share price per share for a specified period for redemption of warrants by the company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharePricePerShareForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock share price per share for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharePricePerShareForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock share price per share for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Computer Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Computer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Computer Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net loss and comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Net loss and comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitment amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Future commitment amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_IN_lbl" xlink:role="http://www.xbrl.org/2003/role/label">INDIA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_IN_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">INDIA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_IN_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">India [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermConvertibleDebtCurrentAndNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArthurYaoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Arthur Yao [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArthurYaoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Arthur Yao [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YANotes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">YA Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YANotes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">YA notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YANotes_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">YA notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GainOnRevaluationOfFinancialAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain on revaluation of financial asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GainOnRevaluationOfFinancialAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain on revaluation of financial asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GainOnRevaluationOfFinancialAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on revaluation of financial asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GainOnRevaluationOfFinancialAsset_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on revaluation of financial asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConditionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condition [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCovenantCompliance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Covenant Compliance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining term of offering warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fredhopper GmbH [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fredhopper GmbH.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fredhopper GmbH [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedAssetAcquiredRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Right of Use Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedAssetAcquiredRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired, right of use assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedAssetAcquiredRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Right of use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Compensation Share-Based Arrangements, Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-based payment liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payment liability (8.6)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperAustraliaPytLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fredhopper Australia Pyt Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperAustraliaPytLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fredhopper Australia Pyt Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperAustraliaPytLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fredhopper (Australia) Pyt Ltd. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend payment rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected dividend yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ValuationAllowanceAgainstMajorityOfDeferredTaxAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Allowance Against Majority of Deferred Tax Asset [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ValuationAllowanceAgainstMajorityOfDeferredTaxAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">valuation allowance against majority of deferred tax asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentOutstandingIncludingBorrowingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument outstanding including accrued borrowing fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentOutstandingIncludingBorrowingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Outstanding Including Borrowing Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentOutstandingIncludingBorrowingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument outstanding including borrowing fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Accounts Receivable and Unbilled Receivables, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating cash flows from operating leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating Lease, Payments, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value Vested and exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologySLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Technology S.L.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologySLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Technology SL [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologySLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Technology S.L. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Risk free rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other promissory notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Promissory Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Promissory Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Prepaid expenses and deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Decrease/(Increase) in prepaid expense and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant intrinsic value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant intrinsic value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible Notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAccruedInterestConvertedIntoPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument accrued interest converted into principal.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAccruedInterestConvertedIntoPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Accrued Interest Converted Into Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAccruedInterestConvertedIntoPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument accrued interest converted into principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_AsiaPacificMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asia Pacific [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakTechnologyGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crownpeak Technology GmbH [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakTechnologyGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Crownpeak Technology GmbH.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakTechnologyGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Crownpeak Technology,GmbH. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NorthlandSecuritiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Northland Securities, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NorthlandSecuritiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Northland Securities, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NorthlandSecuritiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Northland Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountCapitalizedToAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount capitalized to accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountCapitalizedToAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount Capitalized To Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountCapitalizedToAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount capitalized to accumulated deficit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromMergerWithArmada_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Merger with Armada</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromMergerWithArmada_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from merger with armada.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromMergerWithArmada_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from merger with Armada</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Converted Instrument, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt conversion, Converted instrument, Shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CryptoIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crypto intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CryptoIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Crypto intangible assets, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Market value of common stock share per share below which triggers adjustment of warrant exercise price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock market value per share below which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock market value per share below which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term convertible debt payable to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short term convertible debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Short term convertible debt to related party (8.5)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short term convertible debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Investing Activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long term debt date after which the amount may be converted into shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Date After Which The Amount May Be Converted Into Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long term debt date after which the amount may be converted into shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accounts payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts Payable, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EstateOfJohnWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estate of John Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EstateOfJohnWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Estate of John Wagner.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EstateOfJohnWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estate of John Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueUnderRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Under Rights Issue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueUnderRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value under rights issue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueUnderRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued under the rights issue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPrincipalAndInterestConvertedIntoEquityDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument principal and interest converted into equity discount percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPrincipalAndInterestConvertedIntoEquityDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Principal And Interest Converted Into Equity Discount Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPrincipalAndInterestConvertedIntoEquityDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument principal and interest converted into equity discount percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award aggregate fair value of options vested during the period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Emerging growth company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Emerging Growth Company [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Components of loss (income) before income taxes expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleLoanFromRelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible loan from related party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleLoanFromRelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Loan from Related Party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleLoanFromRelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible loan from related party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScaleUpHoldingLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scale Up Holding LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScaleUpHoldingLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scale Up Holding LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScaleUpHoldingLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Scale Up Holding LLC, member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_ES_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SPAIN</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_ES_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SPAIN</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update and Change in Accounting Principle [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Federal Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">United Kingdom</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of prepayments and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock issued to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation related parties, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CryptoAssetAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crypto Asset [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DigitalPaymentPlatformMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Digital Payment Platform [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DigitalPaymentPlatformMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Digital payment platform, member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DigitalPaymentPlatformMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Digital Payment Platform [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Tax Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Converted Instrument, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt conversion converted instrument amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt converted into shares, including interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value measurement and concentration of credit risk</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Convertible Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of the senior secured convertible note and secured convertible loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of The Senior Secured Convertible Note And Secured Convertible Loans [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of the senior secured convertible note and secured convertible loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsIncreaseDecreaseFromForeignCurrencyTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrecognized tax benefits increase decrease from foreign currency translation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsIncreaseDecreaseFromForeignCurrencyTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Increase Decrease From Foreign Currency Translation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsIncreaseDecreaseFromForeignCurrencyTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of debt securities held to maturity one amortized cost to fair value [Table Text Block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Securities Held To Maturity One Amortized Cost To Fair Value [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of debt securities held to maturity one amortized cost to fair value one</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CANADA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Canada [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NorthAmericaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">North America [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Credit, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective Income Tax Rate Reconciliation, Tax Credit, Amount, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCredits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CryptoTransactionForwardingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Crypto transaction forwarding percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CryptoTransactionForwardingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crypto Transaction Forwarding Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CryptoTransactionForwardingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Crypto transaction forwarding percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Indefinite-Lived [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AAndRCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">A and R Credit Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AAndRCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">A&amp;R Credit Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AAndRCreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">A&amp;R Credit Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Deferred Revenue, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Deferred revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Return to provision (based on tax return)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Return to provision based on tax return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrecognized tax benefits return to provision based on tax return.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net liabilities acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net liabilities acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Total identifiable net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareholderContributionAttributableToBluedotIndustriesPriorToCommonControlTransactionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholder contribution attributable to Bluedot Industries prior to common control transaction, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareholderContributionAttributableToBluedotIndustriesPriorToCommonControlTransactionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shareholder Contribution Attributable To Bluedot Industries Prior To Common Control Transaction Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareholderContributionAttributableToBluedotIndustriesPriorToCommonControlTransactionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shareholder contribution attributable to Bluedot Industries prior to common control transaction value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FormerGainContingencyRecognizedInCurrentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain contingency recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FormerGainContingencyRecognizedInCurrentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Former Gain Contingency, Recognized in Current Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Line of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Line of Credit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amounts remain payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Ordinary Shares Upon Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares upon acquisition.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares upon acquisition, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Unaudited Pro forma Combined Results due to Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued upon Exercise of Share Options by Consultants, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued upon exercise of share options by consultants, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued upon exercise of share options by consultants, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentTimingTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment Timing Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentTimingTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment Timing Tranche Two Member</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Financial Instruments, Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, after Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LoansOwedToNon-BankingFinancialCompaniesNBFCsInIndiaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Owed to Non-Banking Financial Companies (NBFCs) in India [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LoansOwedToNon-BankingFinancialCompaniesNBFCsInIndiaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans owed to Non-Banking Financial Companies (NBFCs) in India, member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income Tax Disclosure Table</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareIssuanceForCommonControlTransactionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Issuance for Common Control Transaction, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareIssuanceForCommonControlTransactionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share issuance for common control transaction, shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareIssuanceForCommonControlTransactionShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance for Bluedot common control transaction, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Assets, Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfCurrentAndDeferredIncomeTaxExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of current and deferred income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfCurrentAndDeferredIncomeTaxExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of current and deferred income tax expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfCurrentAndDeferredIncomeTaxExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current and Deferred Income Tax Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payment liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Payment Liability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Based Payment Liability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-based payment liability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Deferred Tax Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Concentration risk percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OridinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Oridinary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OridinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OridinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Oridinary Shares Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntellectualPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intellectual Property [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntellectualPropertyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intellectual Property [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash (used in) investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">DBLP sea cow limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">DBLP Sea Cow Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">DBLP Sea Cow Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SalmanAhmadMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Salman Ahmad [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidByIndividualJurisdictionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, by Individual Jurisdiction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtDiscountCurrentOnShortTermConvertibleDebtCurrentToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt discount current on short term convertible debt current to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtDiscountCurrentOnShortTermConvertibleDebtCurrentToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt discount current on short term convertible debt current to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtDiscountCurrentOnShortTermConvertibleDebtCurrentToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt discount current on short term convertible debt current to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakIntermediateHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crownpeak Intermediate Holdings Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakIntermediateHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Crownpeak Intermediate Holdings Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakIntermediateHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Crownpeak Intermediate Holdings, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrownpeakIntermediateHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Crownpeak [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologyIndiaPrivatelimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Technology (India) Private Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologyIndiaPrivatelimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Technology India PrivateLimited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologyIndiaPrivatelimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Technology (India) Private Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConsultantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consultants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConsultantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consultants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party convertible debt holding minimum for restriction on extraordinary transactions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Convertible Debt Holding Minimum For Restriction On Extraordinary Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party convertible debt holding minimum for restriction on extraordinary transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date Range, End</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument final date of maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Payable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Ordinary Shares under Equity Purchase Agreement, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares under equity purchase agreement, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares under Yorkville Standby Equity Purchase Agreement, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in current assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Changes in operating assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCashUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Used In Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCashUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net cash used in operating activities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCashUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business acquisition share price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Paid For Amounts Included In The Measurement Of Lease Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash paid for amounts included in the measurement of lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for amounts included in the measurement of lease liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award options excercised during the period weighted average exercise price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Weighted average exercise price, Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Weighted average exercise price, Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation non deductible or non taxable foreign exchange results.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Non Deductible Or Non Taxable Foreign Exchange Results</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-deductible or non-taxable foreign currency exchange results</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Operating Loss Carryforwards [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Period</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInUponConversionOfPromissoryNoteValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued in upon conversion of promissory notes, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusFranceSARLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mpower Plus France SARL [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Notes Payable, Total</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Risk-free interest rate Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_DirectorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Director [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">December twenty seven two thousand seventeen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">December twenty seven two thousand seventeen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">December 27, 2017 [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">February two thousand and twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February Two Thousand And Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">February Two Thousand And Twenty Four [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_TW_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">TAIWAN</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDebtSecuritiesGrossUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Trading debt securities gross unrealized gains.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Parties [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of warrant or right exercise period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected term</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Ex Transition Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToEmployeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation to employees sales and marketing expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToEmployeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation To Employees Sales And Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToEmployeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments to employees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Equity Method Investments [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BluedotIndustriesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bluedot Industries, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BluedotIndustriesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bluedot Industries, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantCashlessExercisePeriodAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Period following the consummation of the initial Business Combination where warrants may be exercised on a cashless basis, if a registration statement covering the shares of common stock issuable upon exercise of the public warrants is not effective.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, Undiscounted Excess Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less imputed interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IndefinitelivedIntangibleAssetsImpairmentCharge_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinitelived Intangible Assets Impairment Charge</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IndefinitelivedIntangibleAssetsImpairmentCharge_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Indefinitelived intangible assets impairment charge.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IndefinitelivedIntangibleAssetsImpairmentCharge_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less-Impairment charge for Other digital assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecuritiesPurchaseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Purchase Agreements [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecuritiesPurchaseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities purchase agreements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_KPMGLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">KPMG LLP.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_KPMGLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">KPMG LLP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_KPMGLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KPMG LLP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentyOneTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Twenty One Two Thousand Sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentyOneTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March twenty one two thousand sixteen.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JohnWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">John Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JohnWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">John Wagner [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAvailableEquityProceedsBelowSpecifiedPriceWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of available equity proceeds below specified price which triggers warrant adjustment</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScaleUpCommerceLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scale Up Commerce Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScaleUpCommerceLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Scale Up Commerce Ltd.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Axis]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantOrRightTrancheExerciseAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class of warrant or right tranche exercise amount.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressesAddressTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Addresses, Address Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Exercise Price Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less-Accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Prepaid expenses and deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock, $0.0001 par value; 100,000,000 shares authorized at 5,709,500 and 6,834,500 shares issued and outstanding at March 31, 2022 and September 30, 2021, respectively (excluding 15,000,000 shares subject to possible redemption at March 31, 2022 and September 30, 2021)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares, 0.0001 nominal value 336,327,587 shares issued and outstanding as of December 31, 2025; 208,260,754 shares issued and outstanding as of December 31, 2024; 423,495,449 and 256,365,817 shares authorized as of December 31, 2025 and 2024 (refer to note 2.22)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SQDTokensMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SQD Tokens [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SQDTokensMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SQD tokens.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other current and long-term liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Current and Long-term Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlackScholesMertonOptionPricingModelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Black Scholes Merton Option Pricing Model [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlackScholesMertonOptionPricingModelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Black Scholes Merton Option Pricing Model [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationNonTradeLoanRelationshipDebits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-Trade Loan Relationship Debits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationNonTradeLoanRelationshipDebits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Non Trade Loan Relationship Debits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EffectiveIncomeTaxRateReconciliationNonTradeLoanRelationshipDebits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation, non-trade loan relationship debits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The specified window of trading days during which common stock price must exceed a stated minimum for redemption of warrants by the company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading days specified window for minimum common stock price for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading days specified window for minimum common stock price for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LitigationStatusDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Litigation Status [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principles of consolidation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrispinLoweryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crispin Lowery [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CrispinLoweryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Crispin Lowery.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate (SOFR) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SOFR [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Term Secured Overnight Financing Rate ("Term SOFR") [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AgreementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AgreementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agreement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessDevelopmentExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Development Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessDevelopmentExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business development expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Amounts of Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party transaction, amounts of transaction monthly fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_ContactPersonnelEmailAddress_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contact Personnel Email Address</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RevolvingLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revolving Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RevolvingLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Revolving loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DatabasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Database Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DatabasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recruitment Database [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve AI.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve AI [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve AI [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Promissory Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed current liabilities promissory note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt (promissory notes)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Debt (promissory notes)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State and local income taxes, net of federal income tax effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermPromissoryNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Promissory Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermPromissoryNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long term promissory notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermPromissoryNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Crownpeak promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JVBFinancialGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">J.V.B Financial Group [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JVBFinancialGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">J.V.B Financial Group.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JVBFinancialGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">J.V.B Financial Group [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonTradeLoanRelationshipDebits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Non Trade Loan Relationship Debits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonTradeLoanRelationshipDebits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation non-trade loan relationship debits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonTradeLoanRelationshipDebits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-Trade Loan Relationship Debits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected Amortization Expense for Intangible Assets Over Remaining Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other (expense)/income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">DBLP Sea Cow Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dblp Sea Cow Ltd Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">DBLP Sea Cow Ltd. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument converted into principal and amount of interest foregone.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Converted Into Principal And Amount Of Interest Foregone</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument converted into principal and amount of interest foregone</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareIssuanceForCommonControlTransactionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Issuance for Common Control Transaction, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareIssuanceForCommonControlTransactionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share issuance for common control transaction, value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareIssuanceForCommonControlTransactionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance for Bluedot common control transaction, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Debt [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Short-Term and Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TaxLossesPreviouslyCreatedWillBeDissolvedOnDemergerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Losses Previously Created Will Be Dissolved On Demerger [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WesternAllianceBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Western Alliance Bank [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WesternAllianceBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Western Alliance Bank.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WesternAllianceBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">WAB [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effects of cross-border tax laws</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Financial Instruments, Liabilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Liability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentPeriodicPaymentPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Periodic Payment, Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentPeriodicPaymentPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument periodic payment of principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruarySixteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February sixteen two thousand twenty one [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruarySixteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">February sixteen two thousand twenty one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruarySixteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">February 16, 2021 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Agreement Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription Agreement Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription Agreement Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other non-operating expense, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Other non-operating expense, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-operating income (expense), net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Additional Paid in Capital, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ManagementRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Management remuneration.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ManagementRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management Remuneration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ManagementRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management remuneration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PaidExitAndAmendmentFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Paid Exit and Amendment Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PaidExitAndAmendmentFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Paid exit and amendment fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PaidExitAndAmendmentFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Paid exit and amendment fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of general and administrative expenses [Table Text Block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of General And Administrative Expenses [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of General and Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAggregateGrossProceedsOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate gross proceeds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAggregateGrossProceedsOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Aggregate Gross Proceeds Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAggregateGrossProceedsOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of aggregate gross proceeds offering.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermNonBankLoansAndNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Nonbank Loan and Note Payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermNonBankLoansAndNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-Banking Financial Company loan (Prediqt)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Other Nonoperating Income (Expense) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Other Non-operating income (expenses), net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche Two Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Provision for income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total income tax (benefit)/expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche One Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CustomerContractsAndRelatedRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Contracts And Related Relationships [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CustomerContractsAndRelatedRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer contracts and related relationships.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CustomerContractsAndRelatedRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Customer Contracts and Related Relationships [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseInPrepaidExpenseAndOtherCurrentAssetsWithRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase in prepaid expense and other current assets with related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseInPrepaidExpenseAndOtherCurrentAssetsWithRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase in prepaid expense and other current assets with related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseInPrepaidExpenseAndOtherCurrentAssetsWithRelatedParties_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Increase in prepaid expense and other current assets with related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StevePerryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Steve Perry [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StevePerryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Steve Perry [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantyRetentionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warranty retention amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantyRetentionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warranty retention amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from issuance of ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDevelopedTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Developed Technology</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDevelopedTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Developed Technology</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDevelopedTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed developed technology.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Deferred Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation deferred adjustments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationDeferredAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PLNAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PLN Against the US Dollar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PLNAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PLN against the US dollar member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining lease agreement term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Remaining Lease Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByLiabilityClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueRevenueRecognized1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Revenue, Revenue Recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredRevenueRevenueRecognized1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMonthlyPaymentsOnOriginalPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Monthly Payments on Original Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMonthlyPaymentsOnOriginalPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of monthly payments on original principal.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMonthlyPaymentsOnOriginalPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of monthly payments on original principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accumulated other comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Other Comprehensive Income (Loss), Net of Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentCovenantMinimumLiquidityAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Covenant Minimum Liquidity Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentCovenantMinimumLiquidityAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument covenant minimum liquidity amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentCovenantMinimumLiquidityAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument covenant minimum liquidity amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RichardBurchillMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Richard Burchill [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RichardBurchillMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Richard Burchill [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RichardBurchillMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Richard Burchill Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Tax Credit [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment tax credit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrediqtBusinessSolutionsPrivateLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prediqt Business Solutions Private Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrediqtBusinessSolutionsPrivateLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prediqt Business Solutions Private Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrediqtBusinessSolutionsPrivateLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prediqt Business Solutions Private Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExtensionNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Extension note .</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExtensionNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extension Note [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation to related parties sales and marketing expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation To Related Parties Sales And Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TechoutsSolutionsIndiaPrivateLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Techouts Solutions India Private Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TechoutsSolutionsIndiaPrivateLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Techouts Solutions India Private Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TechoutsSolutionsIndiaPrivateLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Techouts Solutions India Private Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UncertainTaxPositionRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Uncertain tax position recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UncertainTaxPositionRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Uncertain tax position recognized.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CurrentContractCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Contract Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CurrentContractCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Current contract costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CurrentContractCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current contract costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected term exercise</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-based Payment Arrangement [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LegalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LegalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal and professional expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription agreement liability current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Agreement Liability Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription agreement liability, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Subscription agreements liability, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferred tax liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAndOtherLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt And Other Liabilities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAndOtherLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt And Other Liabilities Table</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrutherDigitalServicesLimitadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Truther Digital Services Limitada [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrutherDigitalServicesLimitadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Truther Digital Services Limitada, member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrutherDigitalServicesLimitadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Truther Digital Services Limitada [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepresentativeSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Representative Shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepresentativeSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Representative Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepresentativeSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Representative Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SauvikBanerjjeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sauvik Banerjjee [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SauvikBanerjjeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sauvik Banerjjee [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Long-Term Debt, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted net (loss) income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss per share, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencySettlementAgreementTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlement agreement terms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencySettlementAgreementTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency, Settlement Agreement, Terms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NorthAmericaSouthAmericaAndCanadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">North America South America and Canada [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NorthAmericaSouthAmericaAndCanadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">North America South America and Canada.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Reportable Operating Segments Consistent with the Manner in which CODM Evaluates Performance of Each Segment and Allocates Company's Resources</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Segments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2030</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfRevenueSources_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of revenue sources.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfRevenueSources_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Revenue Sources</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfRevenueSources_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of revenue sources</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Percent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends, Common Stock</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrganizationAndNatureOfOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization and Nature of Operations [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrganizationAndNatureOfOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and nature of operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAiFinanceHoldingsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Ai Finance Holdings LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAiFinanceHoldingsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Ai Finance Holdings LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAiFinanceHoldingsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Ai Finance Holdings LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Liabilities Incurred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, pledged collateral description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information, Pro Forma Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions during the year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMarketValueForWarrantExercisePriceAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The percentage of Market Value for warrant exercise price adjustment under specified conditions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMarketValueForWarrantExercisePriceAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Market Value for warrant exercise price adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMarketValueForWarrantExercisePriceAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of Market Value for warrant exercise price adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFeeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Fee Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFeeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of borrowing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">December two thousand and twenty three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">December Two Thousand And Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">December Two Thousand And Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Principal amount of notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt instrument, face amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets, Finite-Lived, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net, crypto intangible assets, net and other digital assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperBVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fredhopper B.V. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperBVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fredhopper B V [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FredhopperBVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fredhopper B V.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalLoanAmountToBeBorrowed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument additional loan amount to be borrowed.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalLoanAmountToBeBorrowed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Additional Loan Amount To Be Borrowed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalLoanAmountToBeBorrowed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument additional loan amount to be borrowed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DanWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dan Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DanWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dan Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubsquidLabsGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsquid Labs GmbH [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubsquidLabsGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subsquid Labs GmbH.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubsquidLabsGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsquid Labs GmbH [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubsquidLabsGmbHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Subsquid [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Intangible Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note description.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of convertible promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InducedConversionOfConvertibleDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Induced Conversion of Convertible Debt Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InducedConversionOfConvertibleDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt conversion expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySevenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June Twenty Seven Two Thousand Sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySevenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June twenty seven two thousand sixteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySevenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 27, 2016 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable lease costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryLoanNote_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Promissory loan note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryLoanNote_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Promissory Loan Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryLoanNote_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Promissory loan Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseDecreaseOnAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease On Additional Paid In Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseDecreaseOnAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease on additional paid in capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseDecreaseOnAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction on additional paid in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AgreementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AgreementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agreement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeterVescoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Peter Vesco [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeterVescoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Peter Vesco [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockDescriptionOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Description of Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockDescriptionOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of number of shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average remaining lease term in years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Remaining Lease Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherLoansBorrowedFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other loans borrowed from related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherLoansBorrowedFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Loans Borrowed From Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherLoansBorrowedFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Taken</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note, Stock Split, Conversion Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock split conversion ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Institutional Investors [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total lease costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SauvikBanerjeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sauvik Banerjee [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Computer Software, Intangible Asset [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed current liabilities accumulated deficit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accumulated Deficit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusBVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mpower Plus B.V. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusBVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mpower Plus B V [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusBVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mpower Plus B.V.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The period of trading days to determine fair market value of common stock for warrant exercise.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period of trading days to determine fair market value of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period of trading days to determine fair market value of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares of Rezolve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total equity consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPowerPlusGlobalMalaysiaSDNBHDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">MPower Plus Global Malaysia SDN BHD [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPowerPlusGlobalMalaysiaSDNBHDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">MPower Plus Global Malaysia SDN BHD [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MPowerPlusGlobalMalaysiaSDNBHDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">MPower Plus Global Malaysia SDN BHD.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property, Plant and Equipment, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Foreign Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Non-CashComponentOfWarrantExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-cash component of warrant expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_Non-CashComponentOfWarrantExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-cash component of warrant expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of share options Vested and exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdjustmentsToAdditionalPaidInCapitalAdjustmentToExciseTaxWithholdingRecognizedAtTimeOfSPACTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid In Capital, Adjustment to Excise Tax Withholding Recognized at Time of SPAC Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdjustmentsToAdditionalPaidInCapitalAdjustmentToExciseTaxWithholdingRecognizedAtTimeOfSPACTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments to additional paid in capital, adjustment to excise tax withholding recognized at time of SPAC transaction.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdjustmentsToAdditionalPaidInCapitalAdjustmentToExciseTaxWithholdingRecognizedAtTimeOfSPACTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustment to excise tax withholding recognized at the time of the SPAC transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VASTIndiaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">VAST India [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VASTIndiaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">VAST India.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Consolidated operating income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationControlObtainedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Control Obtained, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationControlObtainedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business combination control obtained description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ControlledEquityOfferingSalesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Controlled Equity Offering Sales Agreement Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ControlledEquityOfferingSalesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Controlled equity offering sales agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ControlledEquityOfferingSalesAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Sales Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche Domain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCountry_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Country</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March two thousand and twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Two Thousand And Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March Two Thousand And Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusHungaryKFTMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mpower Plus Hungary KFT [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusHungaryKFTMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mpower Plus Hungary KFT [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusHungaryKFTMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mpower Plus Hungary KFT.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total non-current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total&#160;non-current&#160;assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">C Ordinary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payment to employees general and administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Payment To Employees General And Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments to employees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OneCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">One Customer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OneCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">One customer.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmployeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employees [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmployeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentsMinimumLiquidityAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instruments Minimum Liquidity Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentsMinimumLiquidityAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instruments minimum liquidity amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentsMinimumLiquidityAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum liquidity amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecondAmendedAndRestatedStandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second Amended and Restated Standby Equity Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecondAmendedAndRestatedStandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second amended and restated standby equity purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Carrying Value as of September 30, 2022</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Carrying Value as of September 30, 2022</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total non current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of debt instrument and other liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Instrument And Other Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Short-Term and Long-Term Debt and Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusPolandSPZOoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mpower Plus Poland SP Z oo [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusPolandSPZOoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mpower Plus Poland SP Z o.o</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusPolandSPZOoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mpower Plus Poland SP Z o.o [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxLiabilitiesRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities Right Of Use Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxLiabilitiesRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax liabilities right of use assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxLiabilitiesRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Right of Use Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MinimumPercentageOfOwnershipForConsolidation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum percentage of ownership for consolidation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MinimumPercentageOfOwnershipForConsolidation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Percentage Of Ownership For Consolidation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MinimumPercentageOfOwnershipForConsolidation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum percentage of ownership for consolidation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average discount rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Discount Rate, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lease liabilities, non-current portion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Non current portion of lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash flow generated from financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Components Of Lease Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nontaxable or nondeductible items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelatedIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer-Related Intangible Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelatedIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Contracts and Related Relationships [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DevelopedTechnologyRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Developed Technology Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DevelopedTechnologyRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Developed Technology [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Liabilities, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax liabilities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Contract [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Receivable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusGlobalLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mpower Plus Global Limited [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MpowerPlusGlobalLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mpower Plus Global Limited [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAIIPHoldingLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve AI IP Holding Limited.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Investment in Debt and Equity Securities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Jurisdiction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentOfDebtRelatedToCrownpeakAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment of debt related to Crownpeak acquisition</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income loss before continuing operations before income taxes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Loss Before Continuing Operations Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Loss Before Continuing Operations Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The period of trading days within a specified window during which common stock price must exceed a stated minimum for redemption of warrants by the company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period of trading days within specified window for minimum common stock price for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period of trading days within specified window for minimum common stock price for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Location, Balance [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPenaltyFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Penalty Fee Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPenaltyFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument penalty fee percentage.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockIssuePricePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock issue price per share below which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockIssuePricePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issue price per share below which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Operating Activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePerShareFloorPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument conversion price per share floor price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePerShareFloorPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion Price Per Share Floor Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePerShareFloorPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument conversion price per share floor price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update and Change in Accounting Principle [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsIssuedDuringThePeriodNewIssuesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Warrants Or Rights Issued During The Period New Issues Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsIssuedDuringThePeriodNewIssuesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of warrants or rights issued during the period new issues shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnitedKingdomAndGermanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">United Kingdom and Germany [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnitedKingdomAndGermanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">United Kingdom and Germany.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Business acquisition, shares issued / issuable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares issued to acquire business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Indefinite-Lived Intangible Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Crypto Intangible Assets and Other Digital Assets</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GoogleCloudEMEALtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Google Cloud EMEA Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GoogleCloudEMEALtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Google Cloud EMEA Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GoogleCloudEMEALtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Google [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_INRAgainstTheUSDollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">INR Against the US Dollar [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Liabilities [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets transaction costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transaction Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedules of Concentration of Risk, by Risk Factor [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share price</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other current and long-term liabilities.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ResearchAndDevelopmentTaxCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Research and development tax credit.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ResearchAndDevelopmentTaxCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">R&amp;D credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ResearchAndDevelopmentTaxCredit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">R&amp;D credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument conversion price as a percentage of volume weighted average price percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion Price As A Percentage Of Volume Weighted Average Price Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument conversion price as a percentage of volume weighted average price percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of exchange rate changes on cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TransactionRelatedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transaction related expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TransactionRelatedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transaction Related Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TransactionRelatedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transaction related expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance or Sale of Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Issuance or Sale of Equity, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from sale of ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Conversion of Convertible Promissory Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period shares conversion of convertible promissory loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of convertible promissory loans, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsTaxLossesLostOnDemerger_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Tax losses lost on demerger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsTaxLossesLostOnDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax BenefitsTax losses lost on demerger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsTaxLossesLostOnDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrecognized tax benefits tax losses lost on demerger.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award cost not yet recognized amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermLeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term lease costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorOpinionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Opinion [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument additional face amount from related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Additional Face Amount From Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt instrument additional face amount amount from related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Issuance costs for ordinary shares issued in private placements offerings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueUponSettlementOfRelatedPartyPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock issued during period value upon settlement of related party payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueUponSettlementOfRelatedPartyPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value upon settlement of related party payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueUponSettlementOfRelatedPartyPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued to DBLP upon settlement of related party payable, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAcquiredFromAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash acquired in business combinations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAcquiredFromAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Acquired from Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExecutivesAndEmployeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Executives and Employees [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExecutivesAndEmployeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Executives and Employees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesIssuedToRelatedPartyForRepaymentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued to Related Party for Repayment of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesIssuedToRelatedPartyForRepaymentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares issued to related party for repayment of debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesIssuedToRelatedPartyForRepaymentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued to related party for repayment of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short-term debt from related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-term Debt from Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt from related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Threshold Trading Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument convertible threshold trading days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioPreviouslyReportedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Previously Reported [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CVSPharmacyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CVS Pharmacy [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CVSPharmacyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CVS Pharmacy.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer, Excluding Assessed Tax</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfPaymentPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Payment Premium</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfPaymentPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of payment premium.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfPaymentPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of payment premium</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued upon Exercise of Share Options under LTIP by Employees, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued upon exercise of share options under LTIP by employees, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued upon exercise of share options under LTIP by employees, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PaymentOfIssuanceCostsRelatedToIssuanceOfOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment of issuance costs related to issuance of ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PaymentOfIssuanceCostsRelatedToIssuanceOfOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment of issuance costs related to issuance of ordinary shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PaymentOfIssuanceCostsRelatedToIssuanceOfOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payment of issuance costs related to issuance of ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase commitment, description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GroupBy Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GroupBy Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GroupBy Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VisenzeTechnologyBeijingCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Visenze Technology (Beijing) Co., Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VisenzeTechnologyBeijingCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Visenze Technology Beijing Co Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_VisenzeTechnologyBeijingCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Visenze Technology Beijing Co Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteFloorPriceTriggerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Promissory Note Floor Price Trigger [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteFloorPriceTriggerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Promissory note floor price trigger.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RemunerationToKeyManagementPersonnel_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Remuneration to key management personnel.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2029</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecondLoanNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second Loan Note, member.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
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  <xsd:element id="rzlv_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryLoans" name="StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryLoans" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_JohnWagnerMember" name="JohnWagnerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations" name="CostOfGoodsAndServicesSoldDepreciationAndAmortizations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DLAPipeLLPMember" name="DLAPipeLLPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_LaLigaMember" name="LaLigaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EffectiveIncomeTaxRateReconciliationPermanentDifferences" name="EffectiveIncomeTaxRateReconciliationPermanentDifferences" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_FredhopperSARLMember" name="FredhopperSARLMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ViSenzePTELtdMember" name="ViSenzePTELtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ClassOfWarrantsOrRightsIssuedDuringThePeriodNewIssuesShares" name="ClassOfWarrantsOrRightsIssuedDuringThePeriodNewIssuesShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AdditionalNotesMember" name="AdditionalNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncreaseInPrepaidExpenseAndOtherCurrentAssetsWithRelatedParties" name="IncreaseInPrepaidExpenseAndOtherCurrentAssetsWithRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ApeironInvestmentGroupLtsAndBradleyWickensMember" name="ApeironInvestmentGroupLtsAndBradleyWickensMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JanuaryTwentyFiveTwoThousandNineteenMember" name="JanuaryTwentyFiveTwoThousandNineteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SauvikBanerjeeMember" name="SauvikBanerjeeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubscriptionLiabilityAbstract" name="SubscriptionLiabilityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ANYLifestyleMarketingGmbHMember" name="ANYLifestyleMarketingGmbHMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FounderShares1Member" name="FounderShares1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ExecutivesAndEmployeesMember" name="ExecutivesAndEmployeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConsultantsMember" name="ConsultantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfAggregateGrossProceedsOffering" name="PercentageOfAggregateGrossProceedsOffering" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_WarrantyRetentionAmount" name="WarrantyRetentionAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodAtNominalValueTextBlock" name="StockIssuedDuringPeriodAtNominalValueTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MinimumPercentageOfOwnershipForConsolidation" name="MinimumPercentageOfOwnershipForConsolidation" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DirectorRemuneration" name="DirectorRemuneration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_TenYearsMember" name="TenYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_Non-CashComponentOfLeaseExpense" name="Non-CashComponentOfLeaseExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_WarrantLiabilityCurrent" name="WarrantLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AAndRCreditAgreementMember" name="AAndRCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RemainingCapitalCommitmentFacility" name="RemainingCapitalCommitmentFacility" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedInUponConversionOfPromissoryNoteShares" name="OrdinarySharesIssuedInUponConversionOfPromissoryNoteShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentConversionPricePercentage" name="DebtInstrumentConversionPricePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RelatedPartyBusinessDevelopmentExpenses" name="RelatedPartyBusinessDevelopmentExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions" name="RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_BlueDotMember" name="BlueDotMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AprilTwentyTwoTwoThousandTwentyFourMember" name="AprilTwentyTwoTwoThousandTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SQDTokensMember" name="SQDTokensMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PromissoryNoteMember" name="PromissoryNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EURAgainstTheUSDollarMember" name="EURAgainstTheUSDollarMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FinancialAndCapitalMarketsAdvisoryFee" name="FinancialAndCapitalMarketsAdvisoryFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_FebruarySixteenTwoThousandTwentyOneMember" name="FebruarySixteenTwoThousandTwentyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DonnellyFinancialLLCMember" name="DonnellyFinancialLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EarlyBirdCapitalIncMember" name="EarlyBirdCapitalIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnrecognizedTaxBenefitsTaxLossesLostOnDemerger" name="UnrecognizedTaxBenefitsTaxLossesLostOnDemerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ConsiderationPaidReceivedPercentageOfMarketCapitalizationMinimum" name="ConsiderationPaidReceivedPercentageOfMarketCapitalizationMinimum" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue" name="ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_GroupByIncMember" name="GroupByIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock" name="DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentsMinimumLiquidityAmount" name="DebtInstrumentsMinimumLiquidityAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesOtherThanPayablesToRelatedPartiesCurrent" name="IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesOtherThanPayablesToRelatedPartiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_PaymentsToAcquireOtherDigitalAssets" name="PaymentsToAcquireOtherDigitalAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_SummaryOfCashPaidForIncomeTaxesNetOfRefundsTableTextBlock" name="SummaryOfCashPaidForIncomeTaxesNetOfRefundsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MpowerPLUSGlobalPTELtdMember" name="MpowerPLUSGlobalPTELtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FiniteLivedIntangibleAssetsImpairmentCharge" name="FiniteLivedIntangibleAssetsImpairmentCharge" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_RothCapitalPartnersLLCMember" name="RothCapitalPartnersLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CommonStockIssuePricePerShareBelowWhichTriggersWarrantAdjustment" name="CommonStockIssuePricePerShareBelowWhichTriggersWarrantAdjustment" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTable" name="DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RecapitalizationUponDemergerShares" name="RecapitalizationUponDemergerShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RepresentativeSharesMember" name="RepresentativeSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CrownpeakIntermediateHoldingsIncMember" name="CrownpeakIntermediateHoldingsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FredhopperAustraliaPytLtdMember" name="FredhopperAustraliaPytLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDevelopedTechnology" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDevelopedTechnology" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_CommonStockSharePricePerShareForWarrantsRedemption" name="CommonStockSharePricePerShareForWarrantsRedemption" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ImpairmentOfLoanReceivable" name="ImpairmentOfLoanReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_TemporaryEquitySharesSubjectToRedemption" name="TemporaryEquitySharesSubjectToRedemption" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentFaceValueOfNotesIssuableUponDemerger" name="DebtInstrumentFaceValueOfNotesIssuableUponDemerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IntangibleAssetsMember" name="IntangibleAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OctoberTwoTwoThousandFifteenMember" name="OctoberTwoTwoThousandFifteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TrancheThreeMember" name="TrancheThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdvisorLoanIssuedForServicesCantorFitzgerald" name="AdvisorLoanIssuedForServicesCantorFitzgerald" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_OrdinarySharesMember" name="OrdinarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_WarrantCashlessExercisePeriodAfterBusinessCombination" name="WarrantCashlessExercisePeriodAfterBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedPaymentLiabilityMember" name="ShareBasedPaymentLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DblpSeaCowLimitedMember" name="DblpSeaCowLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OtherCurrentAndLongTermLiabilitiesLineItems" name="OtherCurrentAndLongTermLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MPowerPlusDeutschlandGmbHMember" name="MPowerPlusDeutschlandGmbHMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RelatedPartyTransactionProfessionalFees" name="RelatedPartyTransactionProfessionalFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_InvestorCapitalContributed" name="InvestorCapitalContributed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_WarrantsRedemptionPricePerShare" name="WarrantsRedemptionPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_TermLoansMember" name="TermLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TrancheTwoMember" name="TrancheTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_Non-CashComponentOfTransactionRelatedExpenses" name="Non-CashComponentOfTransactionRelatedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedUponConversionOfConvertibleNotesShares" name="OrdinarySharesIssuedUponConversionOfConvertibleNotesShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_StevePerryMember" name="StevePerryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_VisenzeTechnologyBeijingCoLtdMember" name="VisenzeTechnologyBeijingCoLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveTaiwanLimitedMember" name="RezolveTaiwanLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_GroupByUKLtdMember" name="GroupByUKLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IluminoLLCMember" name="IluminoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_InvestmentTaxCreditDisclosureTextBlock" name="InvestmentTaxCreditDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_TechoutsCompaniesMember" name="TechoutsCompaniesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TrancheOneMember" name="TrancheOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SummaryOfEstimatedUsefulLifeOfPropertyPlantAndEquipmentTableTextBlock" name="SummaryOfEstimatedUsefulLifeOfPropertyPlantAndEquipmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtAcquiredInAcquisition" name="DebtAcquiredInAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ScaleUpCommerceLimitedMember" name="ScaleUpCommerceLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesShares" name="OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_FinancialAsset" name="FinancialAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_TrancheDomain" name="TrancheDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubscriptionAgreementWarrantsMember" name="SubscriptionAgreementWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PeterVescoMember" name="PeterVescoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveAIMember" name="RezolveAIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NumberOfRevenueSources" name="NumberOfRevenueSources" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RevolvingLoansMember" name="RevolvingLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PaidExitAndAmendmentFees" name="PaidExitAndAmendmentFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_UnitedKingdomAndGermanyMember" name="UnitedKingdomAndGermanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MPowerPlusBVBAMember" name="MPowerPlusBVBAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock" name="DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ProceedsFromIssuanceOfCommonStockToRelatedParty" name="ProceedsFromIssuanceOfCommonStockToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementShares" name="IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AUDAgainstTheUSDollarMember" name="AUDAgainstTheUSDollarMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OtherCurrentAndLongTermLiabilitiesTable" name="OtherCurrentAndLongTermLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BluedotInnovationPtyLtdMember" name="BluedotInnovationPtyLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ServiceAgreementMember" name="ServiceAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfOutstandingAmountToBeRepaid" name="PercentageOfOutstandingAmountToBeRepaid" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ConvertibleLoanFromRelatedPartyMember" name="ConvertibleLoanFromRelatedPartyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_Right-Of-UseAssetsObtainedInExchangeForLeaseObligationsAbstract" name="Right-Of-UseAssetsObtainedInExchangeForLeaseObligationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_Self-IssuedTokensCarryingAmount" name="Self-IssuedTokensCarryingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_SubscriptionLetterMember" name="SubscriptionLetterMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfTransactionRelatedToAcquisiton" name="PercentageOfTransactionRelatedToAcquisiton" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ArmadaWarrantsMember" name="ArmadaWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScheduleOfSalesAndMarketingExpensesTableTextBlock" name="ScheduleOfSalesAndMarketingExpensesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtIssuanceCostsOnShortTermDebtUnderTroubledDebtRestructuring" name="DebtIssuanceCostsOnShortTermDebtUnderTroubledDebtRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_InterestOnSettlementOfShares" name="InterestOnSettlementOfShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodValueUponSettlementOfRelatedPartyPayable" name="StockIssuedDuringPeriodValueUponSettlementOfRelatedPartyPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock" name="DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_JuneTwentySevenTwoThousandSixteenMember" name="JuneTwentySevenTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfAvailableEquityProceedsBelowSpecifiedPriceWhichTriggersWarrantAdjustment" name="PercentageOfAvailableEquityProceedsBelowSpecifiedPriceWhichTriggersWarrantAdjustment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_BusinessAcquisition" name="BusinessAcquisition" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_NetCurrentAssets" name="NetCurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShortTermDebtUnderTroubledDebtRestructuring" name="ShortTermDebtUnderTroubledDebtRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_SupplementalCashFlowLeaseAmount" name="SupplementalCashFlowLeaseAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses" name="ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AugustTwentySevenTwoThousandNineteenMember" name="AugustTwentySevenTwoThousandNineteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity" name="CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DefaultSharesMember" name="DefaultSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubsquidAcquisitionMember" name="SubsquidAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NumberOfCustomers" name="NumberOfCustomers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentCovenantMinimumLiquidityAmount" name="DebtInstrumentCovenantMinimumLiquidityAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_SecondAmendedAndRestatedStandbyEquityPurchaseAgreementMember" name="SecondAmendedAndRestatedStandbyEquityPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_LockInPeriodOfShares" name="LockInPeriodOfShares" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SalmanAhmadMember" name="SalmanAhmadMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_GainLossOnRevaluationOfFinancialAsset" name="GainLossOnRevaluationOfFinancialAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_MpowerPlusPolandSPZOoMember" name="MpowerPlusPolandSPZOoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NonCurrentDebtAndOtherLiabilitiesAbstract" name="NonCurrentDebtAndOtherLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnrecognizedTaxBenefitsEffectOfIncomeTaxRateChanges" name="UnrecognizedTaxBenefitsEffectOfIncomeTaxRateChanges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DecemberTwoThousandAndTwentyThreeMember" name="DecemberTwoThousandAndTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EmployeeSalariesAndBenefitsSalesAndMarketingExpenses" name="EmployeeSalariesAndBenefitsSalesAndMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_LossOnShareIssuance" name="LossOnShareIssuance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RichardBurchillMember" name="RichardBurchillMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncomeTaxExpenseBenefitBeforeRestatement" name="IncomeTaxExpenseBenefitBeforeRestatement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RezolveMobileCommerceIncMember" name="RezolveMobileCommerceIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScaleUpHoldingLLCMember" name="ScaleUpHoldingLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DblpSeaCowLtdMember" name="DblpSeaCowLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CurrentIncomeTaxExpensesBenefitTableTextBlock" name="CurrentIncomeTaxExpensesBenefitTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_CommitmentPeriodTwoMember" name="CommitmentPeriodTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDescriptionDomain" name="StockIssuedDescriptionDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ProfessionalFeesSalesAndMarketingExpenses" name="ProfessionalFeesSalesAndMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ChineseBusinessesMember" name="ChineseBusinessesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TrancheAxis" name="TrancheAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodAtNominalValueAbstract" name="StockIssuedDuringPeriodAtNominalValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PipeMember" name="PipeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock" name="ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentPenaltyFeePercentage" name="DebtInstrumentPenaltyFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesValue" name="OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByRelatedPartiesValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_FinancialAndCapitalRaisingAdvisoryServicesMember" name="FinancialAndCapitalRaisingAdvisoryServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MonroeDebt" name="MonroeDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_OutstandingTermLoansMember" name="OutstandingTermLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PlacementAgentAgreementMember" name="PlacementAgentAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NonAccountableExpenses" name="NonAccountableExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShortTermDebtAndOtherLiabilitiesAbstract" name="ShortTermDebtAndOtherLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationSharesIssuableValueBasedOnMilestoneAchievement" name="BusinessCombinationSharesIssuableValueBasedOnMilestoneAchievement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ContingentConsiderationMember" name="ContingentConsiderationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_GroupByUSAIncMember" name="GroupByUSAIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RightOfUseAssetsAndLeaseLiabilitiesLineItems" name="RightOfUseAssetsAndLeaseLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SpringTechnologiesEOODMember" name="SpringTechnologiesEOODMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareIssuanceForCommonControlTransactionValue" name="ShareIssuanceForCommonControlTransactionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_CryptoTransactionForwardingPercentage" name="CryptoTransactionForwardingPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_VariousMember" name="VariousMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrganizationAndNatureOfOperationsTable" name="OrganizationAndNatureOfOperationsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveAiFinanceLLCMember" name="RezolveAiFinanceLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AgreementAxis" name="AgreementAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CommitmentPeriodThreeMember" name="CommitmentPeriodThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BluedotIndustriesMember" name="BluedotIndustriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NonOperatingIncomeExpenses" name="NonOperatingIncomeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_MarchTwentyOneTwoThousandSixteenMember" name="MarchTwentyOneTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubscriptionAgreementMember" name="SubscriptionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodAtNominalValueLineItems" name="StockIssuedDuringPeriodAtNominalValueLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TimeLimitForTheRegistrationStatementToBecomeEffectiveFromTheDateOfConsummationOfBusinessCombination" name="TimeLimitForTheRegistrationStatementToBecomeEffectiveFromTheDateOfConsummationOfBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SharesIssuedToAdvisorsShares" name="SharesIssuedToAdvisorsShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_IncomeTaxReconciliationNetOperatingLossAdjustments" name="IncomeTaxReconciliationNetOperatingLossAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_SmartpayDigitalServicesLimitadaMember" name="SmartpayDigitalServicesLimitadaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetTable" name="ExpensesAndOtherNonOperatingIncomeExpenseNetTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ContractWithCustomerLiabilityAcquiredInBusinessCombination" name="ContractWithCustomerLiabilityAcquiredInBusinessCombination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_FredhopperGmbHMember" name="FredhopperGmbHMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn" name="UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DebtAndOtherLiabilitiesTable" name="DebtAndOtherLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonCompetitionAgreement" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonCompetitionAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_BerenbergOneMember" name="BerenbergOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncomeTaxReconciliationDeferredAdjustments" name="IncomeTaxReconciliationDeferredAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShortTermDebtDueToRelatedParty" name="ShortTermDebtDueToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_BrooksNewmarkMember" name="BrooksNewmarkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_KPMGLLPMember" name="KPMGLLPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AccruedAndUnpaidExitAndAmendmentFees" name="AccruedAndUnpaidExitAndAmendmentFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DecemberTwentySevenTwoThousandSeventeenMember" name="DecemberTwentySevenTwoThousandSeventeenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ATTRAQTIncMember" name="ATTRAQTIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShortTermDebtDefaultInterestRatePercentage" name="ShortTermDebtDefaultInterestRatePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_GoogleCloudEMEALtdMember" name="GoogleCloudEMEALtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_WeightedAveragePrice" name="WeightedAveragePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShortTermConvertibleDebtPayableToRelatedPartyPrincipalAmount" name="ShortTermConvertibleDebtPayableToRelatedPartyPrincipalAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_InvesteeAxis" name="InvesteeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedToRadioGroupToSettleTerminationOfANYAcquisitionInGermany" name="OrdinarySharesIssuedToRadioGroupToSettleTerminationOfANYAcquisitionInGermany" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AugustThirtyOneTwoThousandTwentyMember" name="AugustThirtyOneTwoThousandTwentyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AgreementDomain" name="AgreementDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MaximGroupMember" name="MaximGroupMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DeferredTaxAssetsDisallowedInterestCarryforward" name="DeferredTaxAssetsDisallowedInterestCarryforward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AprilThirtyTwoThousandNineteenMember" name="AprilThirtyTwoThousandNineteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RepaymentTimingTrancheTwoMember" name="RepaymentTimingTrancheTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionShares" name="IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_GainOnRevaluationOfFinancialAsset" name="GainOnRevaluationOfFinancialAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AdvancedSubscriptionAgreementMember" name="AdvancedSubscriptionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FairValueOfEmployeeShareForThePurposesOfEstimate" name="FairValueOfEmployeeShareForThePurposesOfEstimate" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PercentageOfInterestRecordedAtCostAndPeriodicallyAdjustedInvestments" name="PercentageOfInterestRecordedAtCostAndPeriodicallyAdjustedInvestments" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedUponConversionOfConvertibleNotesValue" name="OrdinarySharesIssuedUponConversionOfConvertibleNotesValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DebtInstrumentNonConvertiblePortionOfDebt" name="DebtInstrumentNonConvertiblePortionOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_EffectiveIncomeTaxRateReconciliationNonTradeLoanRelationshipDebits" name="EffectiveIncomeTaxRateReconciliationNonTradeLoanRelationshipDebits" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_CVSPharmacyMember" name="CVSPharmacyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EvidonIncMember" name="EvidonIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherDigitalAssets" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherDigitalAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_MarchTwentySevenTwoThousandSeventeenMember" name="MarchTwentySevenTwoThousandSeventeenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertibleDebtMaturityPeriod" name="ConvertibleDebtMaturityPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RezolveAiFinanceHoldingsLLCMember" name="RezolveAiFinanceHoldingsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_WarrantsTextBlock" name="WarrantsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OtherCurrentAndLongTermLiabilitiesTextBlock" name="OtherCurrentAndLongTermLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AmountDepositedIntoTrustAccount" name="AmountDepositedIntoTrustAccount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_LoansOwedToNon-BankingFinancialCompaniesNBFCsInIndiaMember" name="LoansOwedToNon-BankingFinancialCompaniesNBFCsInIndiaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MagusResearchLimitedMember" name="MagusResearchLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ProprietaryUtilityTokenSQDTokenValue" name="ProprietaryUtilityTokenSQDTokenValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShareBasedCompensationToEmployeesSalesAndMarketingExpenses" name="ShareBasedCompensationToEmployeesSalesAndMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting" name="ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MayThirtyOneTwoThousandEighteenMember" name="MayThirtyOneTwoThousandEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IssuanceOfOrdinarySharesUponConversionOfNoteValue" name="IssuanceOfOrdinarySharesUponConversionOfNoteValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DebtInstrumentDiscountAsAPercentageOfFaceValue" name="DebtInstrumentDiscountAsAPercentageOfFaceValue" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedToSettleTerminationOfAcquisitionShares" name="OrdinarySharesIssuedToSettleTerminationOfAcquisitionShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentExercisePricePerShare" name="ShareBasedCompensationArrangementByShareBasedPaymentExercisePricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShortTermDebtOtherPayableToRelatedParty" name="ShortTermDebtOtherPayableToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodSharesUponSettlementOfRelatedPartyPayable" name="StockIssuedDuringPeriodSharesUponSettlementOfRelatedPartyPayable" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ServiciosLiverpoolSADeCVMember" name="ServiciosLiverpoolSADeCVMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ProprietaryUtilityTokenSQDTokensMember" name="ProprietaryUtilityTokenSQDTokensMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_July2025PrivatePlacementMember" name="July2025PrivatePlacementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MpowerPlusBVMember" name="MpowerPlusBVMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RadioGroupGmbHMember" name="RadioGroupGmbHMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentConversionIntoEquityTrancheTwoMember" name="DebtInstrumentConversionIntoEquityTrancheTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodSharesUnderRightsIssue" name="StockIssuedDuringPeriodSharesUnderRightsIssue" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PercentageOfMonthlyPaymentsOnOriginalPrincipal" name="PercentageOfMonthlyPaymentsOnOriginalPrincipal" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ArmadaAcquisitionCorpIMember" name="ArmadaAcquisitionCorpIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DeferredTaxLiabilitiesAccruedExpenses" name="DeferredTaxLiabilitiesAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_LongTermNonBankingFinancialCompanyLoan" name="LongTermNonBankingFinancialCompanyLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IssuanceOfOrdinarySharesUponAcquisition" name="IssuanceOfOrdinarySharesUponAcquisition" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtAndOtherLiabilitiesAbstract" name="DebtAndOtherLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubscriptionLiabilityLineItems" name="SubscriptionLiabilityLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfPaymentPremium" name="PercentageOfPaymentPremium" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AprilTwentyEightTwoThousandEighteenMember" name="AprilTwentyEightTwoThousandEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MayFiveTwoThousandTwentyThreeMember" name="MayFiveTwoThousandTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ExtensionNoteMember" name="ExtensionNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AccountingPoliciesTable" name="AccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_WilsonSonsiniGoodrichAndRosatiMember" name="WilsonSonsiniGoodrichAndRosatiMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_VASTUSMember" name="VASTUSMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IndefinitelivedIntangibleAssetsImpairmentCharge" name="IndefinitelivedIntangibleAssetsImpairmentCharge" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_StandbyEquityPurchaseAgreementMember" name="StandbyEquityPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedInUponConversionOfPromissoryNoteValue" name="OrdinarySharesIssuedInUponConversionOfPromissoryNoteValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedToSettleDebtAssumedInAcquisitionShares" name="OrdinarySharesIssuedToSettleDebtAssumedInAcquisitionShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentTimingOfRepaymentTrancheAxis" name="DebtInstrumentTimingOfRepaymentTrancheAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessDevelopmentExpensesMember" name="BusinessDevelopmentExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertibleDebtUnderTroubledDebtRestructuring" name="ConvertibleDebtUnderTroubledDebtRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_SubscriptionAgreementLiabilityCurrent" name="SubscriptionAgreementLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_TwoThousandAndTwentyThreeLongTermIncentivePlanMember" name="TwoThousandAndTwentyThreeLongTermIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnsecuredConvertibleDebtTwoMember" name="UnsecuredConvertibleDebtTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNoteTableTextBlock" name="ConvertiblePromissoryNoteTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RecapitalizationUponDemergerValue" name="RecapitalizationUponDemergerValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_BusinessAcquisitionPercentageOfIssuedAndOutstandingSharesAcquired" name="BusinessAcquisitionPercentageOfIssuedAndOutstandingSharesAcquired" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_BlackScholesMertonOptionPricingModelMember" name="BlackScholesMertonOptionPricingModelMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNoteNonCurrent" name="ConvertiblePromissoryNoteNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_TetherMember" name="TetherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_VASTIndiaMember" name="VASTIndiaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubsquidLabsGmbHMember" name="SubsquidLabsGmbHMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TechoutsIncMember" name="TechoutsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock" name="DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_September2025PrivatePlacementMember" name="September2025PrivatePlacementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PolarMultiStrategyMasterFundMember" name="PolarMultiStrategyMasterFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FinalSettlementPaymentMember" name="FinalSettlementPaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeNamesAndTrademarks" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradeNamesAndTrademarks" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_PercentageOfAnnualRevenueRequiredToAcquire" name="PercentageOfAnnualRevenueRequiredToAcquire" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_Indefinite-LivedIntangibleAssetsGross" name="Indefinite-LivedIntangibleAssetsGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNoteAbstract" name="ConvertiblePromissoryNoteAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentAdditionalLoanAmountToBeBorrowed" name="DebtInstrumentAdditionalLoanAmountToBeBorrowed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill" name="DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_UnsecuredConvertibleDebtOneAndTwoMember" name="UnsecuredConvertibleDebtOneAndTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_GroupByInternationalLtdMember" name="GroupByInternationalLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDescriptionAxis" name="StockIssuedDescriptionAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DebtInstrumentAmountOfInterestForegone" name="DebtInstrumentAmountOfInterestForegone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_MpowerPlusHungaryKFTMember" name="MpowerPlusHungaryKFTMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_E-SpiritIncMember" name="E-SpiritIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SmartpayMember" name="SmartpayMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TradingDebtSecuritiesGrossUnrealizedLoss" name="TradingDebtSecuritiesGrossUnrealizedLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_BluedotIndustriesIncMember" name="BluedotIndustriesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_InvesteeDomain" name="InvesteeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_LossBeforeIncomeTaxes" name="LossBeforeIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_InvestmentTaxCreditTable" name="InvestmentTaxCreditTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ReimbursementPayablesForExpenseIncurredCurrent" name="ReimbursementPayablesForExpenseIncurredCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_UncertainTaxPositionUnrecognized" name="UncertainTaxPositionUnrecognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation" name="EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_TradingDebtSecuritiesGrossUnrealizedGains" name="TradingDebtSecuritiesGrossUnrealizedGains" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DecemberFifteenTwoThousandSixteenMember" name="DecemberFifteenTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JanuaryTwentyFiveTwoThousandSixteenMember" name="JanuaryTwentyFiveTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SharesIssuedToRelatedPartyForRepaymentOfDebt" name="SharesIssuedToRelatedPartyForRepaymentOfDebt" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodSharesConversionOfAdvisorsLoans" name="StockIssuedDuringPeriodSharesConversionOfAdvisorsLoans" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PrediqtAcquisitionMember" name="PrediqtAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RecruitmentDatabaseMember" name="RecruitmentDatabaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShortTermDebtConvertibleIntoEquityMember" name="ShortTermDebtConvertibleIntoEquityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EffectiveIncomeTaxRateReconciliationNetOperatingLossAdjustments" name="EffectiveIncomeTaxRateReconciliationNetOperatingLossAdjustments" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_IncomeTaxDisclosureLineItems" name="IncomeTaxDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SirDavidWrightMember" name="SirDavidWrightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued" name="ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_CommitmentPeriodOneMember" name="CommitmentPeriodOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdvisorMember" name="AdvisorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertibleDebtLineItems" name="ConvertibleDebtLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesPayableCurrent" name="OrdinarySharesPayableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiabilities" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedAssetAcquiredRightOfUseAssets" name="BusinessCombinationRecognizedAssetAcquiredRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_IncreaseDecreaseOnAdditionalPaidInCapital" name="IncreaseDecreaseOnAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DblpSeaCowMember" name="DblpSeaCowMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IgorLychagovMember" name="IgorLychagovMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentConversionIntoEquityTrancheOneMember" name="DebtInstrumentConversionIntoEquityTrancheOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock" name="PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AdditionalDefaultSharesMember" name="AdditionalDefaultSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NoticePeriodForWarrantsRedemption" name="NoticePeriodForWarrantsRedemption" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AmountRaisedFromTransactions" name="AmountRaisedFromTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_FebruaryTwoThousandAndTwentyFourMember" name="FebruaryTwoThousandAndTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ATTRAQTLimitedMember" name="ATTRAQTLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScaleUpCommerceLtdMember" name="ScaleUpCommerceLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SGDAgainstTheUSDollarMember" name="SGDAgainstTheUSDollarMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MPPLUSRMSRLMember" name="MPPLUSRMSRLMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BluedotIndustriesPtyLtdMember" name="BluedotIndustriesPtyLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_WarrantExercisablePeriodAfterBusinessCombination" name="WarrantExercisablePeriodAfterBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentPrincipalAndInterestConvertedIntoEquityDiscountPercentage" name="DebtInstrumentPrincipalAndInterestConvertedIntoEquityDiscountPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RepaymentsOfRightsIssue" name="RepaymentsOfRightsIssue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_PrediqtBusinessSolutionsPrivateLimitedMember" name="PrediqtBusinessSolutionsPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ClassOfWarrantOrRightTrancheExerciseAmount" name="ClassOfWarrantOrRightTrancheExerciseAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone" name="DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ConvertibleDebtTable" name="ConvertibleDebtTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodAtNominalValueTable" name="StockIssuedDuringPeriodAtNominalValueTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_VIRGINIAAndINDIAMember" name="VIRGINIAAndINDIAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SharesIssuedToAdvisorsValue" name="SharesIssuedToAdvisorsValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_OutstandingEquitySecurities" name="OutstandingEquitySecurities" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DeferredTaxAssetsLeaseLiabilities" name="DeferredTaxAssetsLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption" name="TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentConversionAsAPercentageOfSharePrice" name="DebtInstrumentConversionAsAPercentageOfSharePrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SauvikBanerjjeeMember" name="SauvikBanerjjeeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DischargingRewardsOutstandingIndebtednessAmount" name="DischargingRewardsOutstandingIndebtednessAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNotesMember" name="ConvertiblePromissoryNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JuneTwentySixTwoThousandTwentyMember" name="JuneTwentySixTwoThousandTwentyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NetDeferredTaxAssetLiabilityNetOfValuationAllowance" name="NetDeferredTaxAssetLiabilityNetOfValuationAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_OtherDigitalAssetsNet" name="OtherDigitalAssetsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_JulyTwentyFiveTwoThousandFifteenMember" name="JulyTwentyFiveTwoThousandFifteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CryptoIntangibleAssetsNet" name="CryptoIntangibleAssetsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DateOfIncorporationOrAcquisition" name="DateOfIncorporationOrAcquisition" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementValue" name="IssuanceOfOrdinarySharesUnderEquityPurchaseAgreementValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShareIssuanceForCommonControlTransactionShares" name="ShareIssuanceForCommonControlTransactionShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations" name="CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ManagementRemuneration" name="ManagementRemuneration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_IncomeTaxDisclosureTable" name="IncomeTaxDisclosureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TotalShortTermDebtUnderTroubledDebtRestructuring" name="TotalShortTermDebtUnderTroubledDebtRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_SecuritiesPurchaseAgreementsMember" name="SecuritiesPurchaseAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AmortizationExpense" name="AmortizationExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShareAcquisitionRetentionAmount" name="ShareAcquisitionRetentionAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_PLNAgainstTheUSDollarMember" name="PLNAgainstTheUSDollarMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JVBFinancialGroupMember" name="JVBFinancialGroupMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TaylorWessingLLPMember" name="TaylorWessingLLPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ContractWithCustomerLiabilityAmortization" name="ContractWithCustomerLiabilityAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DisclosureInEntiretyOfDebtInstrumentAndOtherLiabilitiesTextBlock" name="DisclosureInEntiretyOfDebtInstrumentAndOtherLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AccruedInterestOnShortTermDebtUnderTroubledDebtRestructuring" name="AccruedInterestOnShortTermDebtUnderTroubledDebtRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_LongTermPromissoryNotes" name="LongTermPromissoryNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AmazonWebServicesMember" name="AmazonWebServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EstateOfJohnWagnerMember" name="EstateOfJohnWagnerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption" name="PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ProceedsFromMergerWithArmada" name="ProceedsFromMergerWithArmada" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_NumberOfSharesIssuableInConnectionWithArmadaFee" name="NumberOfSharesIssuableInConnectionWithArmadaFee" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShortTermConvertibleDebtPayableToRelatedParty" name="ShortTermConvertibleDebtPayableToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShareDisposalRetentionAmount" name="ShareDisposalRetentionAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AmountCapitalizedToAccumulatedDeficit" name="AmountCapitalizedToAccumulatedDeficit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RangeEquityMethodInvestmentOwnershipPercentage" name="RangeEquityMethodInvestmentOwnershipPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade" name="ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_FirstLoanNoteMember" name="FirstLoanNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PrepaidExpensesAndOtherCurrentAssets" name="PrepaidExpensesAndOtherCurrentAssets" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_HCWainwrightCoLLCMember" name="HCWainwrightCoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedAssetAcquiredShortTermLoansAndAdvancesReceivable" name="BusinessCombinationRecognizedAssetAcquiredShortTermLoansAndAdvancesReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_InvestmentTaxCreditLineItems" name="InvestmentTaxCreditLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfIncreaseDecreaseOfForeignCurrency" name="PercentageOfIncreaseDecreaseOfForeignCurrency" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_CHFAgainstTheUSDollarMember" name="CHFAgainstTheUSDollarMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DigitalAssetsMember" name="DigitalAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FormerSubsquidShareholderMember" name="FormerSubsquidShareholderMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsValue" name="OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_INRAgainstTheUSDollarMember" name="INRAgainstTheUSDollarMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NetCashUsedInOperatingActivities" name="NetCashUsedInOperatingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_OtherCurrentAndLongTermLiabilitiesAbstract" name="OtherCurrentAndLongTermLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm" name="ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_IncomeTaxReconciliationOtherReconcilingItemsDeferredAdjustments" name="IncomeTaxReconciliationOtherReconcilingItemsDeferredAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_IncomeTaxReconciliationNonTradeLoanRelationshipDebits" name="IncomeTaxReconciliationNonTradeLoanRelationshipDebits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DeferredTaxAssetsShortTermDebtToRelatedParty" name="DeferredTaxAssetsShortTermDebtToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_PatentsAndTrademarksMember" name="PatentsAndTrademarksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FirstSettlementPaymentMember" name="FirstSettlementPaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TwoThousandAndTwentyTwoLongTermIncentivePlanMember" name="TwoThousandAndTwentyTwoLongTermIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnitedKingdomGermanyAndBulgariaMember" name="UnitedKingdomGermanyAndBulgariaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostLineItems" name="DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RemunerationToKeyManagementPersonnel" name="RemunerationToKeyManagementPersonnel" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ScheduleOfOrdinarySharesPayableTableTextBlock" name="ScheduleOfOrdinarySharesPayableTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_StableCoinDepositsMember" name="StableCoinDepositsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubsequentSettlementPaymentsMember" name="SubsequentSettlementPaymentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentAccruedInterestConvertedIntoPrincipal" name="DebtInstrumentAccruedInterestConvertedIntoPrincipal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_InitialPublicOfferOrSpecialPurposeAcquisitionTransactionIfOccurredBeforeSixteenthOfDecemberTwoThousandAndTwentyTwoMember" name="InitialPublicOfferOrSpecialPurposeAcquisitionTransactionIfOccurredBeforeSixteenthOfDecemberTwoThousandAndTwentyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MarchTwentySevenTwoThousandFifteenMember" name="MarchTwentySevenTwoThousandFifteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessAcquisitionEquityInterestsIssuedOrIssuableValueOfSharesReturned" name="BusinessAcquisitionEquityInterestsIssuedOrIssuableValueOfSharesReturned" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionValue" name="IssuanceOfOrdinarySharesUponConversionOfAdvanceSubscriptionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_Non-CashComponentOfWarrantExpense" name="Non-CashComponentOfWarrantExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares" name="ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_GroupByMember" name="GroupByMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OtherDigitalAssetsMember" name="OtherDigitalAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage" name="DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DisclosureInEntiretyOfSubscriptionLiabilityTextBlock" name="DisclosureInEntiretyOfSubscriptionLiabilityTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_CrownpeakTechnologyIncMember" name="CrownpeakTechnologyIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnrecognizedTaxBenefitsIncreaseDecreaseFromForeignCurrencyTranslation" name="UnrecognizedTaxBenefitsIncreaseDecreaseFromForeignCurrencyTranslation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_MpowerPlusGlobalLimitedMember" name="MpowerPlusGlobalLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNoteCurrent" name="ConvertiblePromissoryNoteCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_JanuaryTwoThousandAndTwentyFourMember" name="JanuaryTwoThousandAndTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RepaymentOfDebtRelatedToCrownpeakAcquisition" name="RepaymentOfDebtRelatedToCrownpeakAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_PaymentOfIssuanceCostsRelatedToIssuanceOfOrdinaryShares" name="PaymentOfIssuanceCostsRelatedToIssuanceOfOrdinaryShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_SmartpayAndTrutherMember" name="SmartpayAndTrutherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NumberOfIndependentDirectors" name="NumberOfIndependentDirectors" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DanielWagnerMember" name="DanielWagnerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TechoutsSolutionsIndiaPrivateLimitedMember" name="TechoutsSolutionsIndiaPrivateLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MaximumTimePeriodForDefaultToBeRectified" name="MaximumTimePeriodForDefaultToBeRectified" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_TwoThousandAndTwentyFourLongTermIncentivePlanMember" name="TwoThousandAndTwentyFourLongTermIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ArtEquitiesReefAcquisitionMember" name="ArtEquitiesReefAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerRelationships" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerRelationships" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_UnsecuredConvertibleDebtOneMember" name="UnsecuredConvertibleDebtOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ExtinguishmentOfDebtAmountPaid" name="ExtinguishmentOfDebtAmountPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock" name="DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentOutstandingIncludingBorrowingFees" name="DebtInstrumentOutstandingIncludingBorrowingFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty" name="InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IndefiniteMember" name="IndefiniteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CryptoIntangibleAssetsMember" name="CryptoIntangibleAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLifted" name="ShareBasedCompensationEmployeesSharesRestrictionsLifted" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RepaymentTimingTrancheOneMember" name="RepaymentTimingTrancheOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodValueConversionOfConvertiblePromissoryLoans" name="StockIssuedDuringPeriodValueConversionOfConvertiblePromissoryLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DeferredTaxLiabilitiesRightOfUseAssets" name="DeferredTaxLiabilitiesRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_LegalFeesAndOtherExpenses" name="LegalFeesAndOtherExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ProceedsFromShortTermDebtFromRelatedParty" name="ProceedsFromShortTermDebtFromRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_JuneSeventeenTwoThousandFourteenMember" name="JuneSeventeenTwoThousandFourteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OtherLoansBorrowedFromRelatedParty" name="OtherLoansBorrowedFromRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses" name="ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShortTermLeaseTerm" name="ShortTermLeaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ConditionDomain" name="ConditionDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsMember" name="SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses" name="ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DebtInstrumentArrangementFee" name="DebtInstrumentArrangementFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_FebruaryEighteenTwoThousandTwentyTwoMember" name="FebruaryEighteenTwoThousandTwentyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertibleDebtRelatedAndNonRelatedPartiesMember" name="ConvertibleDebtRelatedAndNonRelatedPartiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DerekSmithMember" name="DerekSmithMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveTechnologySLMember" name="RezolveTechnologySLMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ControlledEquityOfferingSalesAgreementMember" name="ControlledEquityOfferingSalesAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsShares" name="OrdinarySharesIssuedUponExerciseOfShareOptionsByConsultantsShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AccountingPoliciesLineItems" name="AccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EffectiveIncomeTaxRateReconciliationDeferredAdjustments" name="EffectiveIncomeTaxRateReconciliationDeferredAdjustments" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ATTRAQTGroupLimitedMember" name="ATTRAQTGroupLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareBasedPaymentsForConsultancyGeneralAndAdministrativeExpenses" name="ShareBasedPaymentsForConsultancyGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_WarrantIntrinsicValue" name="WarrantIntrinsicValue" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_WondrGamingCorporationMember" name="WondrGamingCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsDeferredAdjustments" name="EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsDeferredAdjustments" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentAdditionalCommitementOthers" name="DebtInstrumentAdditionalCommitementOthers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_CrispinLoweryMember" name="CrispinLoweryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OneCustomerMember" name="OneCustomerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentTerminatedDate" name="DebtInstrumentTerminatedDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedPaymentForDevelopmentOfIntangibleAsset" name="ShareBasedPaymentForDevelopmentOfIntangibleAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetAbstract" name="ExpensesAndOtherNonOperatingIncomeExpenseNetAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdvisorLoanIssuedForServicesJvbFinancialGroup" name="AdvisorLoanIssuedForServicesJvbFinancialGroup" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_TransactionRelatedExpenses" name="TransactionRelatedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_MiscellaneousAccruedLiabilitiesCurrent" name="MiscellaneousAccruedLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_EarlyBirdsSASMember" name="EarlyBirdsSASMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodValueConversionOfAdvisorsLoans" name="StockIssuedDuringPeriodValueConversionOfAdvisorsLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_MPowerPlusGlobalMalaysiaSDNBHDMember" name="MPowerPlusGlobalMalaysiaSDNBHDMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsAdditionalAmountCommittedByInvestorsMember" name="SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsAdditionalAmountCommittedByInvestorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_YorkvilleMember" name="YorkvilleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment" name="CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SharesAllocatedBySponsor" name="SharesAllocatedBySponsor" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_CantorFitzgeraldMember" name="CantorFitzgeraldMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PromissoryNoteFromSponsor" name="PromissoryNoteFromSponsor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfUsefulLivesOfAssetsTableTextBlock" name="DisclosureInTabularFormOfUsefulLivesOfAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SecondARYaAgreementMember" name="SecondARYaAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod" name="ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_InitialPublicOfferOrSpecialPurposeAcquistionTransactionIfOccurredAfterSixteenthOfDecemberTwoThousandAndTwentyTwoAndBeforeSixteenthOfJuneTwoThousandAndTwentyThreeMember" name="InitialPublicOfferOrSpecialPurposeAcquistionTransactionIfOccurredAfterSixteenthOfDecemberTwoThousandAndTwentyTwoAndBeforeSixteenthOfJuneTwoThousandAndTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SeniorSecuredConvertibleNotesMember" name="SeniorSecuredConvertibleNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OtherPayablesToRelatedPartyCurrentBeforeRestatement" name="OtherPayablesToRelatedPartyCurrentBeforeRestatement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_RegisteredOfferingMember" name="RegisteredOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OctoberTwelveTwoThousandTwentyOneMember" name="OctoberTwelveTwoThousandTwentyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TimeLimitFromTheDateOfConsummationOfBusinessCombinationWithinWhichSharesShallBeRegistered" name="TimeLimitFromTheDateOfConsummationOfBusinessCombinationWithinWhichSharesShallBeRegistered" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_InvestmentTaxCreditAbstract" name="InvestmentTaxCreditAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesSettlementShares" name="OrdinarySharesSettlementShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MicrosoftCorporationMember" name="MicrosoftCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults" name="IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AdvisorsLoansMember" name="AdvisorsLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShortTermDebtFromRelatedParties" name="ShortTermDebtFromRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShareholderContributionAttributableToBluedotIndustriesPriorToCommonControlTransactionValue" name="ShareholderContributionAttributableToBluedotIndustriesPriorToCommonControlTransactionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_LiquidityPolicyTextBlock" name="LiquidityPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_CrownpeakTechnologyGmbHMember" name="CrownpeakTechnologyGmbHMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentConversionPricePerShareFloorPrice" name="DebtInstrumentConversionPricePerShareFloorPrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty" name="DebtInstrumentAdditionalFaceAmountFromRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IssuanceOfOrdinarySharesUponAcquisitionValue" name="IssuanceOfOrdinarySharesUponAcquisitionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_MovementInDeferredTaxLiabilities" name="MovementInDeferredTaxLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_JuneFifteenTwoThousandSixteenMember" name="JuneFifteenTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock" name="ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_YANotes" name="YANotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany" name="CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties" name="ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AmountOwedToRelatedParty" name="AmountOwedToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_SeptemberFourteenTwoThousandEighteenMember" name="SeptemberFourteenTwoThousandEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_VASTAcquisitionMember" name="VASTAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DigitalPaymentPlatformMember" name="DigitalPaymentPlatformMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_InitialNotesMember" name="InitialNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CrownpeakAcquisitionMember" name="CrownpeakAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnitedKingdomAndEuropeMember" name="UnitedKingdomAndEuropeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScheduleOfCurrentAndDeferredIncomeTaxExpense" name="ScheduleOfCurrentAndDeferredIncomeTaxExpense" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MarchTwoThousandAndTwentyFourMember" name="MarchTwoThousandAndTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DBoralCapitalLLCMember" name="DBoralCapitalLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNote" name="ConvertiblePromissoryNote" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_MpowerPlusFranceSARLMember" name="MpowerPlusFranceSARLMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SalesForceMember" name="SalesForceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfRedemptionPremium" name="PercentageOfRedemptionPremium" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ResearchAndDevelopmentTaxCredit" name="ResearchAndDevelopmentTaxCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_RepaymentOfShortTermDebtBorrowedFromRelatedParty" name="RepaymentOfShortTermDebtBorrowedFromRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock" name="ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_FairValueOfWarrantLiabilityRecognized" name="FairValueOfWarrantLiabilityRecognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_OrganizationAndNatureOfOperationsLineItems" name="OrganizationAndNatureOfOperationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedToSettleTerminationOfAcquisitionValue" name="OrdinarySharesIssuedToSettleTerminationOfAcquisitionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DebtInstrumentTimingOfRepaymentTrancheDomain" name="DebtInstrumentTimingOfRepaymentTrancheDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesShares" name="OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OtherNonOperatingIncomes" name="OtherNonOperatingIncomes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShareBasedCompensationForConsultancyServices" name="ShareBasedCompensationForConsultancyServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RightOfUseAssetsAndLeaseLiabilitiesTable" name="RightOfUseAssetsAndLeaseLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FredhopperBVMember" name="FredhopperBVMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentNumberOfInstallments" name="DebtInstrumentNumberOfInstallments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DOrdinarySharesMember" name="DOrdinarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConditionAxis" name="ConditionAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NumberOfDaysWithinWhichInvestorShallContributeCapital" name="NumberOfDaysWithinWhichInvestorShallContributeCapital" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AllocatedShareBasedCompensationInTheAbsenceOfRestriction" name="AllocatedShareBasedCompensationInTheAbsenceOfRestriction" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_NumberOfSharesForfeited" name="NumberOfSharesForfeited" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_EmergingGrowthCompanyPolicyTextBlock" name="EmergingGrowthCompanyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PromissoryLoanNote" name="PromissoryLoanNote" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ProfessionalFeeGeneralAndAdministrativeExpenses" name="ProfessionalFeeGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_VASTSellersMember" name="VASTSellersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ArthurYaoMember" name="ArthurYaoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock" name="ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFixedAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares" name="LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PreTCJA20PostTCJAIndefiniteMember" name="PreTCJA20PostTCJAIndefiniteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_WesternAllianceBankMember" name="WesternAllianceBankMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PromissoryNoteFloorPriceTriggerMember" name="PromissoryNoteFloorPriceTriggerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOtherPayables" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOtherPayables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_CustomerContractsAndRelatedRelationshipsMember" name="CustomerContractsAndRelatedRelationshipsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveWarrantsMember" name="RezolveWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OctoberFifteenTwoThousandTwentyOneMember" name="OctoberFifteenTwoThousandTwentyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CurrentContractCosts" name="CurrentContractCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AssumedAmountOfAggregatePrincipalAmountOutstandingTermLoansAndRevolvingLoans" name="AssumedAmountOfAggregatePrincipalAmountOutstandingTermLoansAndRevolvingLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AdamWagnerMember" name="AdamWagnerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EntityIncorporationCountryOfIncorporation" name="EntityIncorporationCountryOfIncorporation" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SeniorSecuredTermLoanFacilityMember" name="SeniorSecuredTermLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveTechnologyIndiaPrivatelimitedMember" name="RezolveTechnologyIndiaPrivatelimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes" name="IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_JaymaxMember" name="JaymaxMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DeferredTaxAssetConvertibleDebt" name="DeferredTaxAssetConvertibleDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodValueWarrantsExercised" name="StockIssuedDuringPeriodValueWarrantsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_UncertainTaxPositionRecognized" name="UncertainTaxPositionRecognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_VisenzeIncMember" name="VisenzeIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveAIIPHoldingLimitedMember" name="RezolveAIIPHoldingLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" name="CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TrutherDigitalServicesLimitadaMember" name="TrutherDigitalServicesLimitadaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncomeTaxReconciliationImpactAbstract" name="IncomeTaxReconciliationImpactAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetLineItems" name="ExpensesAndOtherNonOperatingIncomeExpenseNetLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveChinaMember" name="RezolveChinaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdjustmentsToAdditionalPaidInCapitalAdjustmentToExciseTaxWithholdingRecognizedAtTimeOfSPACTransaction" name="AdjustmentsToAdditionalPaidInCapitalAdjustmentToExciseTaxWithholdingRecognizedAtTimeOfSPACTransaction" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AdditionalStockIssuedMember" name="AdditionalStockIssuedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentFaceValueAdditionalAmount" name="DebtInstrumentFaceValueAdditionalAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesValue" name="OrdinarySharesIssuedUponExerciseOfShareOptionsUnderLTIPByEmployeesValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
</xsd:schema>
