Simple Order API | American Express Direct

Required Fields for an Authorization Reversal

These fields are required in a request for an authorization reversal:
ccAuthReversalService_authRequestID
Set this field to the request ID that was included in the authorization response message.
ccAuthReversalService_run
Set this field to
true
.
merchantID
merchantReferenceCode
purchaseTotals_currency
purchaseTotals_grandTotalAmount
Either
purchaseTotals_grandTotalAmount
or
item_#_unitPrice
must be included in the request.
The amount of the reversal must be the same as the amount that was authorized:
  • You can reverse an authorization only for its full amount.
  • When you use a debit card or prepaid card and only a partial amount was approved, the amount of the reversal must be the amount that was authorized, not the amount that was requested.