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  <xs:element id="upst_PayableToInvestors" abstract="false" name="PayableToInvestors" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DeferredTaxAssetConvertibleDebtTransactions" abstract="false" name="DeferredTaxAssetConvertibleDebtTransactions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityYearFive" abstract="false" name="LongTermAndShortTermDebtMaturityYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LoansHeldForInvestmentFairValueDisclosure" abstract="false" name="LoansHeldForInvestmentFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_GainLossOnTransferOfLoans" abstract="false" name="GainLossOnTransferOfLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_RecognitionOfDeferredTaxAssets" abstract="false" name="RecognitionOfDeferredTaxAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ExerciseOfConvertiblePreferredStockWarrantValue" abstract="false" name="ExerciseOfConvertiblePreferredStockWarrantValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_PreferredStockConvertedToOtherSecurities" abstract="false" name="PreferredStockConvertedToOtherSecurities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInAcquisitionDuringPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInAcquisitionDuringPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepurchaseOptionPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardRepurchaseOptionPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_APICIncentiveShareExpenseIncreaseForCostRecognition" abstract="false" name="APICIncentiveShareExpenseIncreaseForCostRecognition" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_CommonStockAndClassOfWarrantOrRightReservedForFutureIssuance" abstract="false" name="CommonStockAndClassOfWarrantOrRightReservedForFutureIssuance" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_BusinessCombinationConsiderationTransferredAssumedOptionsAttributableToPreCombinationServices" abstract="false" name="BusinessCombinationConsiderationTransferredAssumedOptionsAttributableToPreCombinationServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_BlackScholesOptionPricingModelMember" abstract="true" name="BlackScholesOptionPricingModelMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_StockWarrantsPurchaseOfPreferredSharesShares" abstract="false" name="StockWarrantsPurchaseOfPreferredSharesShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueAssetsImpactOf100BasisPointIncreaseInDiscountRates" abstract="false" name="SensitivityAnalysisOfFairValueAssetsImpactOf100BasisPointIncreaseInDiscountRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TransferOfNotesReceivableAndResidualCertificateOnDeconsolidationOfVIE" abstract="false" name="TransferOfNotesReceivableAndResidualCertificateOnDeconsolidationOfVIE" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TermLoansMember" abstract="true" name="TermLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableShares" abstract="false" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_ServicingLiabilityAtFairValueGainLossIncludedInEarnings" abstract="false" name="ServicingLiabilityAtFairValueGainLossIncludedInEarnings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DebtInstrumentConversionDomain" abstract="true" name="DebtInstrumentConversionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_DebtInstrumentAdditionalAggregatePrincipal" abstract="false" name="DebtInstrumentAdditionalAggregatePrincipal" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DeferredTaxAssetsInvestmentInPartnerships" abstract="false" name="DeferredTaxAssetsInvestmentInPartnerships" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_CustomerOperationsExpense" abstract="false" name="CustomerOperationsExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TrailingFeesLiabilityMeasurementInput" abstract="false" name="TrailingFeesLiabilityMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpenseRecognitionPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpenseRecognitionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueAssetsImpactOf20PercentAdverseChangeInExpectedCreditLossRates" abstract="false" name="SensitivityAnalysisOfFairValueAssetsImpactOf20PercentAdverseChangeInExpectedCreditLossRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ReclassificationOfCommonStockWarrantLiabilityToEquityUponTerminationOfRepurchaseOption" abstract="false" name="ReclassificationOfCommonStockWarrantLiabilityToEquityUponTerminationOfRepurchaseOption" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_A2012EquityIncentivePlanMember" abstract="true" name="A2012EquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_TrailingFeeLiabilitiesFairValueDisclosure" abstract="false" name="TrailingFeeLiabilitiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_PropertyEquipmentAndSoftwareMember" abstract="true" name="PropertyEquipmentAndSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_OtherVariableInterestEntitiesMember" abstract="true" name="OtherVariableInterestEntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueAssetsImpactOf10PercentAdverseChangeInExpectedCreditLossRates" abstract="false" name="SensitivityAnalysisOfFairValueAssetsImpactOf10PercentAdverseChangeInExpectedCreditLossRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtGross" abstract="false" name="LongTermAndShortTermDebtGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ConversionPeriodTwoMember" abstract="true" name="ConversionPeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_WLTWarehouseCreditFacilityMember" abstract="true" name="WLTWarehouseCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityYearThree" abstract="false" name="LongTermAndShortTermDebtMaturityYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_BorrowerFeesMember" abstract="true" name="BorrowerFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_ReclassificationOfCommonStockWarrantLiabilityRelatedToCashlessExercise" abstract="false" name="ReclassificationOfCommonStockWarrantLiabilityRelatedToCashlessExercise" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_OtherIncomeExpensePolicyPolicyTextBlock" abstract="false" name="OtherIncomeExpensePolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_FairValueAndOtherAdjustmentsNet" abstract="false" name="FairValueAndOtherAdjustmentsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_IncreaseDecreaseInOperatingLeaseLiabilityAndRightOfUseAsset" abstract="false" name="IncreaseDecreaseInOperatingLeaseLiabilityAndRightOfUseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="upst_TrailingFeeLiabilitiesMember" abstract="true" name="TrailingFeeLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf10PercentIncreaseInMarketServicingRates" abstract="false" name="SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf10PercentIncreaseInMarketServicingRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ProceedsFromImmediateResaleOfLoans" abstract="false" name="ProceedsFromImmediateResaleOfLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityYearTwo" abstract="false" name="LongTermAndShortTermDebtMaturityYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ExerciseOfCommonStockWarrantsValue" abstract="false" name="ExerciseOfCommonStockWarrantsValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityYearFour" abstract="false" name="LongTermAndShortTermDebtMaturityYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSection162mLimitationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSection162mLimitationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DiscountRateAbstract" abstract="true" name="DiscountRateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_LoansReceivableMeasurementInput" abstract="false" name="LoansReceivableMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_FairValueAdjustmentsRelatedParty" abstract="false" name="FairValueAdjustmentsRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ScheduleOfClassOfStockAndWarrantsOrRightsTableTextBlock" abstract="false" name="ScheduleOfClassOfStockAndWarrantsOrRightsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_ScheduleOfGainLossOnLoanServicingRightsTableTextBlock" abstract="false" name="ScheduleOfGainLossOnLoanServicingRightsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_DebtInstrumentConvertibleCappedCallsInitialStrikePrice" abstract="false" name="DebtInstrumentConvertibleCappedCallsInitialStrikePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="upst_GainLossOnRepurchasedAndRetiredConvertiblePreferredStockWarrants" abstract="false" name="GainLossOnRepurchasedAndRetiredConvertiblePreferredStockWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ServicingAssetAtFairValueGainLossIncludedInEarnings" abstract="false" name="ServicingAssetAtFairValueGainLossIncludedInEarnings" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TemporaryEquityStockRepurchasedAndRetiredDuringPeriodShares" abstract="false" name="TemporaryEquityStockRepurchasedAndRetiredDuringPeriodShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_WeightedAverageCostOfCommercialPaperNotesIssuedByTheLenderMember" abstract="true" name="WeightedAverageCostOfCommercialPaperNotesIssuedByTheLenderMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOtherIncreaseDecrease" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOtherIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityYearOne" abstract="false" name="LongTermAndShortTermDebtMaturityYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_FinancialInstrumentsNotMeasuredAtFairValuePolicyTextBlock" abstract="false" name="FinancialInstrumentsNotMeasuredAtFairValuePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_InterestIncomeAndFairValueAdjustmentNet" abstract="false" name="InterestIncomeAndFairValueAdjustmentNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedAnnualIncreasePercentOfOutstandingShares" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedAnnualIncreasePercentOfOutstandingShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_ScheduleOfFeesAndCommissionsTableTextBlock" abstract="false" name="ScheduleOfFeesAndCommissionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_WarehouseEntityMember" abstract="true" name="WarehouseEntityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_NotesReceivableAndResidualCertificatesMember" abstract="true" name="NotesReceivableAndResidualCertificatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_AccruedExpensesAndOtherLiabilitiesFairValueDisclosure" abstract="false" name="AccruedExpensesAndOtherLiabilitiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_IncentiveStockOptionMember" abstract="true" name="IncentiveStockOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_DebtInstrumentConvertibleMaximumPercentageOfProductOfLastReportedSalePriceAndConversionRate" abstract="false" name="DebtInstrumentConvertibleMaximumPercentageOfProductOfLastReportedSalePriceAndConversionRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_EngineeringAndProductDevelopmentMember" abstract="true" name="EngineeringAndProductDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_ScheduleOfSensitivityAnalysisOfFairValueTableTextBlock" abstract="false" name="ScheduleOfSensitivityAnalysisOfFairValueTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueAssetsImpactOf20PercentAdverseChangeInExpectedCreditLossRatesAverage" abstract="false" name="SensitivityAnalysisOfFairValueAssetsImpactOf20PercentAdverseChangeInExpectedCreditLossRatesAverage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_ReclassificationOfPreferredStockWarrantLiabilityRelatedToCashlessExercise" abstract="false" name="ReclassificationOfPreferredStockWarrantLiabilityRelatedToCashlessExercise" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_A20192RRFinancingAgreementMember" abstract="true" name="A20192RRFinancingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_EffectiveIncomeTaxRateReconciliationTaxReturnToTaxProvisionAdjustmentAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxReturnToTaxProvisionAdjustmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_PaymentsForCappedCalls" abstract="false" name="PaymentsForCappedCalls" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LineOfCreditFacilityMaximumAdvanceRate" abstract="false" name="LineOfCreditFacilityMaximumAdvanceRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_TemporaryEquitySharesConversionOfConvertibleSecurities" abstract="false" name="TemporaryEquitySharesConversionOfConvertibleSecurities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_Customer1Member" abstract="true" name="Customer1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_AutoLoansMember" abstract="true" name="AutoLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementMarketServicingRate" abstract="false" name="AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementMarketServicingRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_ConversionPeriodOneMember" abstract="true" name="ConversionPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_A20182RRFinancingAgreementMember" abstract="true" name="A20182RRFinancingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_NumberOfSponsoredSecuritizationTransactions" abstract="false" name="NumberOfSponsoredSecuritizationTransactions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAssumedInAcquisitionWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAssumedInAcquisitionWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="upst_LoanPaymentDeferralPeriodCARESAct" abstract="false" name="LoanPaymentDeferralPeriodCARESAct" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="upst_TwentyTwentySixNotesMember" abstract="true" name="TwentyTwentySixNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_LoanPremiumFeesAndLoanTrailingFees" abstract="false" name="LoanPremiumFeesAndLoanTrailingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_CustomerOperationsMember" abstract="true" name="CustomerOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsReceived" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ExpectedCreditLossRateAbstract" abstract="true" name="ExpectedCreditLossRateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_BusinessCombinationConsiderationTransferredTransactionCostPaidOnBehalfOfAcquire" abstract="false" name="BusinessCombinationConsiderationTransferredTransactionCostPaidOnBehalfOfAcquire" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DebtInstrumentConvertibleCappedCallsInitialCapPrice" abstract="false" name="DebtInstrumentConvertibleCappedCallsInitialCapPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="upst_PublicStockOfferingMember" abstract="true" name="PublicStockOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_ServicingFeesNetMember" abstract="true" name="ServicingFeesNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_SecuritizedLoansHeldForInvestmentMember" abstract="true" name="SecuritizedLoansHeldForInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_LoanServicingLiabilitiesMember" abstract="true" name="LoanServicingLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_ScheduleOfBorrowingsTable" abstract="true" name="ScheduleOfBorrowingsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="upst_EffectiveIncomeTaxRateReconciliationFairValueAdjustmentOfWarrantsAmounts" abstract="false" name="EffectiveIncomeTaxRateReconciliationFairValueAdjustmentOfWarrantsAmounts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DerecognitionOfLoansHeldForInvestmentInConsolidatedVIE" abstract="false" name="DerecognitionOfLoansHeldForInvestmentInConsolidatedVIE" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_PurchaseOfLoansForImmediateResale" abstract="false" name="PurchaseOfLoansForImmediateResale" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LoanHeldForSaleMember" abstract="true" name="LoanHeldForSaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_PaymentForRepurchaseOfConvertiblePreferredStockWarrants" abstract="false" name="PaymentForRepurchaseOfConvertiblePreferredStockWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedAnnualIncrease" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedAnnualIncrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_TemporaryEquityExerciseOfStockWarrantValueNewIssues" abstract="false" name="TemporaryEquityExerciseOfStockWarrantValueNewIssues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" abstract="false" name="TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableShareHeldInEscrow" abstract="false" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableShareHeldInEscrow" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_ExerciseOfCommonStockWarrantsShares" abstract="false" name="ExerciseOfCommonStockWarrantsShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueAssetsImpactOf100BasisPointIncreaseInDiscountRatesAverage" abstract="false" name="SensitivityAnalysisOfFairValueAssetsImpactOf100BasisPointIncreaseInDiscountRatesAverage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_LesseeOperatingLeaseLiabilityTenantImprovementReceivable" abstract="false" name="LesseeOperatingLeaseLiabilityTenantImprovementReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DeferredTaxAssetOperatingLeaseLiabilities" abstract="false" name="DeferredTaxAssetOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_PaycheckProtectionProgramLoanCARESActMember" abstract="true" name="PaycheckProtectionProgramLoanCARESActMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_LoansHeldForInvestmentMember" abstract="true" name="LoansHeldForInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_LineOfCreditFacilityMinimumUtilizationRequirement" abstract="false" name="LineOfCreditFacilityMinimumUtilizationRequirement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueAssetsImpactOf200BasisPointIncreaseInDiscountRates" abstract="false" name="SensitivityAnalysisOfFairValueAssetsImpactOf200BasisPointIncreaseInDiscountRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_UNICreditFacilityMember" abstract="true" name="UNICreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_DerecognitionOfNotesPayableHeldInConsolidatedVIE" abstract="false" name="DerecognitionOfNotesPayableHeldInConsolidatedVIE" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ScheduleOfBorrowingsLineItems" abstract="true" name="ScheduleOfBorrowingsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_ProceedsFromPrincipalRepaymentsOnLoansHeldByConsolidatedSecuritizations" abstract="false" name="ProceedsFromPrincipalRepaymentsOnLoansHeldByConsolidatedSecuritizations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesAndIssuances" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesAndIssuances" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ReclassOfWarrantLiabilityUponTerminationOfRepurchaseObligation" abstract="false" name="ReclassOfWarrantLiabilityUponTerminationOfRepurchaseObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInAcquisitionWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInAcquisitionWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="upst_ServicingFeesForCoSponsoredSecuritizationTransactions" abstract="false" name="ServicingFeesForCoSponsoredSecuritizationTransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DeferredTaxAssetsServicingAssets" abstract="false" name="DeferredTaxAssetsServicingAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TrailingFeeLiabilityAtFairValueAmount" abstract="false" name="TrailingFeeLiabilityAtFairValueAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchaseOfLoansForImmediateResaleToInvestors" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchaseOfLoansForImmediateResaleToInvestors" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TemporaryEquityExerciseOfStockWarrantSharesNewIssues" abstract="false" name="TemporaryEquityExerciseOfStockWarrantSharesNewIssues" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_ScheduleOfMaturitiesOfBorrowingsTableTextBlock" abstract="false" name="ScheduleOfMaturitiesOfBorrowingsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueAssetsImpactOf200BasisPointIncreaseInDiscountRatesAverage" abstract="false" name="SensitivityAnalysisOfFairValueAssetsImpactOf200BasisPointIncreaseInDiscountRatesAverage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetChangesDueToDeconsolidation" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetChangesDueToDeconsolidation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TemporaryEquityValueConversionOfConvertibleSecurities" abstract="false" name="TemporaryEquityValueConversionOfConvertibleSecurities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_IncomeFromCapitalMarketProgram" abstract="false" name="IncomeFromCapitalMarketProgram" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_SecuritiesRetainedUnderUnconsolidatedSecuritizationTransactions" abstract="false" name="SecuritiesRetainedUnderUnconsolidatedSecuritizationTransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsStockholderOwnership" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsStockholderOwnership" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="upst_OperatingExpensesPolicyPolicyTextBlock" abstract="false" name="OperatingExpensesPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_EffectiveIncomeTaxRateReconciliationCARESACTPPPLoanForgivenessAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationCARESACTPPPLoanForgivenessAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ValuationAllowanceDeferredTaxAssetValuationReleased" abstract="false" name="ValuationAllowanceDeferredTaxAssetValuationReleased" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_NetGainLossRelatedToLoanServicingRights" abstract="false" name="NetGainLossRelatedToLoanServicingRights" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TemporaryEquityStockRepurchasedAndRetiredDuringPeriodValue" abstract="false" name="TemporaryEquityStockRepurchasedAndRetiredDuringPeriodValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodIncentiveAgreement" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodIncentiveAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_WarehouseCreditFacilityMember" abstract="true" name="WarehouseCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_WarrantsToPurchaseCommonStockMember" abstract="true" name="WarrantsToPurchaseCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_UAWTWarehouseCreditFacilityMember" abstract="true" name="UAWTWarehouseCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_GreaterThan10StockholdersMember" abstract="true" name="GreaterThan10StockholdersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_Customer3Member" abstract="true" name="Customer3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_GainLossOnLoanServicingArrangementsAndSaleOfNoncontrollingInterestsNet" abstract="false" name="GainLossOnLoanServicingArrangementsAndSaleOfNoncontrollingInterestsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ConversionPeriodThreeMember" abstract="true" name="ConversionPeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_ProdigySoftwareIncMember" abstract="true" name="ProdigySoftwareIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
