JUMP TOInvoicesInvoicepostExpire Invoice Payment PagepostPaymentPaymentpostStatusStatusgetTokensNew Access IDpostCurrent Access IDpostValidate Access IDpostExpire Access IDpostGenerate Request IDpostValidate CredentialspostConnectGet InvoicespostInvoicepostPayment PagePayment PagepostExpire Payment PagepostCurrent Access IDpost https://api.clientpay.com/Token/Access/CurrentReturns existing unique accessId for payment processing requests.