Payment types

Payment typeRequest parameterDescription
DebitDBDebits the customer account and credits the merchant account.
CreditCDCredits the customer account and debits the merchant account.
RefundRFCredits the customer account with reference to a prior debit or capture transaction. Can be partial or full.
ReversalRVReverses an already processed preauthorization transaction.
PreauthorisationPAA stand-alone authorisation that triggers optional risk management and validation. A capture with reference to the preauthorisation confirms the payment.
CaptureCPCaptures a preauthorised amount.


For details on when to use a refund and when to use a reversal, see our support knowledge base.