JUMP TOIntroductionAPI overviewAuthenticationTelemetryIdempotencyAPI UpdatesUsage LimitsNium EnvironmentsClientClient Prefund AccountClient Prefund RequestpostFetch Client Prefund RequestgetClient Prefund BalancesgetClient SettingsClient DetailsgetFee DetailsgetGet Maximum and Available Limits of Direct DebitgetClient TransactionsClient TransactionsgetCustomerCustomer Account - IndividualUnified Add CustomerpostCustomer UpdatepostFetch Individual Customer RFI DetailsgetRespond to RFIpostUpload DocumentpostAdd Customer Using MyInfo [SG]postAdd Customer Using e-Document VerificationpostAdd CustomerpostCustomer Account - CorporateExhaustive Corporate Details using Business IDgetOnboard Corporate CustomerpostFetch Corporate Customer RFI DetailsgetRespond to RFI for Corporate CustomerpostUpload Document for Corporate CustomerpostRegenerate KYC URLpostFetch corporate constantsgetUpdate Corporate CustomerpostPublic Corporate Details using Business IDgetCustomer ManagementCustomer List V3getCustomer Details V2getBlock/Unblock CustomerputAccount StatementgetManage Customer TagspostCustomer List V2getCustomer ListgetCustomer DetailsgetAccount Statement for the Specified WalletgetCustomer Terms and ConditionsAccept Terms and ConditionspostTerms and ConditionsgetOpen Banking (Onboarding)Account Details By Customer Consent ID.getPayment Details by System Reference NumbergetOnboarding Forms - CorporateCreate Application for Onboarding FormpostRegenerate Onboarding Form URLgetGet Application DetailsgetBank AccountsFetch linked bank accountsgetCreate a linked bank accountpostConfirm linked bank account authenticationpostFetch linked bank accountgetUpdate linked bank accountputDelete linked bank accountdeleteWalletCustomer Wallet BalanceWallet BalancegetUpdate WalletputFetch WalletgetAdd WalletpostWallet to Wallet TransfersWallet to Wallet TransferpostP2P TransferpostCustomer Wallet TransactionsTransactionsgetUpdate Business Transaction FlagputTransaction Geo-TaggingputDownload Transaction ReceiptgetUpload Transaction ReceiptpostManage Transaction TagspostPayinCustomer FundingConfirm funding instrumentpostGet Funding instrument detailsgetGet Funding Instrument ListgetDelete Funding InstrumentdeleteAdd funding instrumentpostFund WalletpostAdd funding instrument V2postCustomer Virtual AccountsAssign Payment IDpostManage Virtual Account TagspostVirtual Account DetailsgetVirtual Account Details V2getAccount Ownership CertificategetFXRatesExchange Rate V2getFetch historic aggregated exchange ratesgetQuotesCreate QuotepostFetch Quote by IDgetConversionsCreate ConversionpostFetch Conversion by idgetCancel ConversionpostExecute ConversionpostQuotes (Previous Version)Exchange Rate With MarkupgetExchange Rate Lock and HoldgetConversions (Previous Version)Balance Transfer within WalletpostPayoutBeneficiaryAccount verificationpostBeneficiary List V2getAdd Beneficiary V2postBeneficiary Details V2getUpdate Beneficiary V2putBeneficiary Validation Schema V2getConfirmation of Payee (Previous version)postBeneficiary ListgetAdd BeneficiarypostDelete BeneficiarydeleteBeneficiary DetailsgetUpdate BeneficiaryputBeneficiary Validation SchemagetReference DataSearch Routing Code Using Bank NamegetSearch Routing Code Using Branch NamegetFetch Supported Corridors V2getFetch Bank Details using Routing CodegetSearch Routing Code (using bank name/branch name)postFetch Supported CorridorsgetFetch Supported Corridors V3getPayoutGet Card WidgetpostWithdraw Funds from WalletpostTransfer MoneypostFetch Remittance Life Cycle StatusgetRespond to Transaction RFIpostPurpose of TransfergetGet Proof Of PaymentgetReturn MandatepostCancel RemittancepostCardsSimulatorsSimulate Authorize Card TransactionpostSimulate Settlement TransactionpostLifecycleAdd Card V2postActivate Card V2postCard Details V2getUpdate Card Details V2postCard List V2getGet Card Details WidgetpostBlock and Replace CardpostLock/Unlock CardsputRenew CardpostAssign CardpostAdd CardpostCard DetailsgetActivate CardpostBlock/Unblock CardspostIssue Replacement CardpostCard ListgetSecurityFetch card data encryptedgetFetch ATM PingetSet/Reset PINpostFetch Pin StatusgetUnblock PINpostFetch CVV2getUnmask CardgetFetch ATM Pin V2getSet/Reset PIN V2postShow Security Details Encryptedget3DS3DS passcode enrollment statusgetAdd or Update passcodepost3DS OOB Callback V2postProcess OOB callbackpostControlsGet Channel RestrictiongetUpdate Channel RestrictionpostGet MCC Channel RestrictionsgetUpdate MCC Channel RestrictionspostFetch Card LimitsgetCard LimitspostLimits For All Cards For A CustomergetCards Reference DataReference Exchange RategetFeesCustomer FeesCharge FeepostTestingPayoutsSimulate Transaction StatuspostPayinSimulate Receiving a TransactionpostSimulate Funding Instrument Status Update (Sandbox Testing)postCustomerFetch micro-deposit detailsgetSimulate Customer Compliance StatuspostNotifications and WebhooksWebhooks overviewNotificationsCallbacksCallback to receive transaction compliance statusCallback to receive customer compliance statusCallback to redirect a customer to their applicationPlatform eventsClient SetupClient KYB StatusClient Refund ApprovalCustomer RegistrationCustomer Compliance StatusCustomer UpdateWallet EncashmentBalance Transfer Within WalletCashback CreditP2P Transfer Between WalletsFund Transfer Between WalletsFund Received From WalletFund Transfer Declined Between WalletsPrefund ApprovalVirtual Account AssignedVirtual Account Assignment FailedFX Conversion CompletedFX Conversion CancelledFX Conversion FailedPayout eventsRemit Transaction InitiatedRemit Transaction ExpiredRemit Transaction ReturnedRemit Transaction PaidRemit Transaction Sent to BankBeneficiary Verification StatusPayin eventsDirect Debit Transaction ReturnDirect Debit Transaction Chargeback SettledDirect Debit Micro-Deposit SuccessfulDirect Debit Funding Instrument FailedDirect Debit Funding Instrument CancelledDirect Debit Funding Instrument ApprovedWallet FundingIssuing and Cards eventsAdd CardAssign CardAdd On CardActivate CardActivation Code3DS One-Time-PasswordFailed 3DS AuthenticationVTS TokenVTS ProvisioningSet PINPermanent BlockTemporary BlockTemporary Block RemovalPOS ApprovedATM ApprovedTransaction ReversalTransaction Reversal AdviceWrong PIN DeclineInactive DeclineBlock DeclineCard System DownExpired CardCard ReplacementMiscellaneousPIN Block DeclineCard Unblock PinPIN Retry Exceed DeclinePIN Retry Exceed Soft BlockInsufficient Funds DeclinedInsufficient Funds Declined ClientWrong CVV2Transaction Limit ExceedsRestricted TransactionsWrong ExpiryTransaction Not SupportedSettlement DebitSettlement CreditSettlement Direct DebitSettlement ReversalCard Expiry AlertCard Details UpdatedLock/Unlock Cardsput https://gateway.nium.com/api/v2/client/{clientHashId}/customer/{customerHashId}/wallet/{walletHashId}/card/{cardHashId}/lockActionThis API allows you to temporarily lock or unlock a card.