The CANCELTX call can be used to cancel payments that are currently in state PENDING and is available for specific payment methods. Cancelation of a transaction will if possible notify the scheme to cancel the transaction and set the transaction state to FAILED with the fail reason CANCELED.

The CANCELTX call supports payment method-specific additional input parameters. See Specific parameters for details. When using these additional input parameters a client must ensure that these parameters do not conflict with parameters sent during the TRANSACTION call. The Payment Gateway will refuse any changed parameters.

Input parameters for the CANCELTX call: