JUMP TOOverviewIntroductionTrying our API using PostmanAPI SDKsRequest HeadersAuthentication and AuthorizationLegacy AuthorizationResponse BodyHTTP Status CodesError ResponsesWalkthroughsCollect Payment for New CustomerCollect Payment for Existing CustomerCustomersCustomer ObjectNew CustomerpostGet CustomergetList CustomersgetList Accounts for CustomergetSet Default ACH/CCputACH AccountsgetCredit Card AccountsgetDefault ACHgetDefault Credit CardgetList Payments for CustomergetUpdate CustomerputDelete CustomerdeleteAccountsUnderstanding AccountsNew Credit CardpostNew ACHpostGet Credit CardgetGet ACH AccountgetUpdate Credit CardputUpdate ACHputDelete Credit CarddeleteDelete ACHdeletePaymentsGet PaymentgetNew PaymentpostRefund PaymentputList PaymentsgetPayment ResponseVoid PaymentputPayment StatusesPayment Failure / Decline CodesGenerating Test ErrorsRecurring PaymentsNew Recurring PaymentpostGet Recurring PaymentgetList Recurring PaymentsgetList Customer Recurring PaymentsgetList PaymentsgetUpdate Recurring PaymentputSuspend ScheduleputPause ScheduleputResume ScheduleputDelete Recurring PaymentdeleteMerchantPayment OptionsgetDefault ACHget https://api.paysimple.com/v4/customer/{customerId}/defaultachReturns the default ACH account (bank account) associated with the specified customer.