- Introduction to Payments
- Standard Payment Processing
- Debit and Prepaid Card Processing
- Processing Debit and Prepaid Authorizations
- Airline Data Processing
- Japanese Payment Options Processing
- Processing Payments Using Credentials
- Customer-Initiated Transactions with Credentials on File
- No-Show Transactions
- Installment Payments
- Recurring Payments
On This Page
Card-Specific Required Field for Retrieving Customer Credentials During a CIT
Discover
Discover requires the authorization amount from the original transaction in addition
to the above required fields.
- subsequentAuthOriginalAmount