- Introduction to Payments
- Standard Payment Processing
- Debit and Prepaid Card Processing
- Payer Authentication Processing
- Processing Payments Using Credentials
- Customer-Initiated Transactions with Credentials on File
Unscheduled COF Payments
An unscheduled credentials-on-file (COF) transaction uses stored payment information for a
fixed or variable amount that does not occur regularly. An account top-up is one kind of
unscheduled COF.