Cancels any token installed by the calling application on its own account. Cancels an ongoing transaction and puts it in cancelled state. Funds the prepaid balance on the given prepaid instrument. Returns transactions for a given date range. Returns the account balance for an account in real time. Returns the balance corresponding to the given credit instrument. Returns the total outstanding balance for all the credit instruments for the given creditor account. Returns the balance available on the given prepaid instrument. Returns the details of a particular token installed by this calling application using the subway co-branded UI. Cancels a subscription. Returns the usage of a token. Returns a list of tokens installed on the given account. Returns the total liability held by the given account corresponding to all the prepaid instruments owned by the account. Returns all details of a transaction. Gets the latest status of a transaction. Gets the payment instruction of a token. Installs a payment instruction for caller. Allows calling applications to move money from a sender to a recipient. Refunds a previously completed transaction. Reserve API is part of the Reserve and Settle API conjunction that serve the purpose of a pay where the authorization and settlement have a timing difference. The Settle API is used in conjunction with the Reserve API and is used to settle previously reserved transaction. Allows a caller to initiate a transaction that atomically transfers money from a sender’s payment instrument to the recipient, while decreasing corresponding debt balance. Allows a creditor to write off the debt balance accumulated partially or fully at any time. Returns the recipient status. Verify the signature that FPS sent in IPN or callback urls. Amazon Flexible Payments Service