NameDescriptionTypeAdditional information
AuthCode

Authorization response code that is assigned by the issuing institution (or stand-in source). The code serves as proof of authorization. If the transaction is not approved, then this field will not be sent.

string

None.

HostTransactionID

Unique ID sent by the host for all successful transactions. Can be used for follow-on transactions such as reversals.

integer

Required

ParentHostTransactionID

Unique ID of the parent transaction of a refund transaction

integer

Required

RRN

Retrieval Reference Number (RRN) optionally returned by the processor with each successful transaction.

string

None.

ReceiptID

Identifier for the transaction receipt.

integer

Required