The response code tells you whether the request worked. It is not the same as the status of the payment itself. To know if a payment succeeded, check its status.
Card payment codes
Every code in this table starts withPAY_ENG_, for example PAY_ENG_005.
Payment link and checkout codes
Every code in this table starts withPAY_ENG_WEB_, for example PAY_ENG_WEB_005.
The plain-language meanings above are written from the code names. If one does not match what you see in practice, please tell us so we can correct it.