| ok | The process completed successfully |
| antifraud_error | Transaction is blocked by the provider's firewall |
| auth_3ds_required | 3D-Secure verification is required for processing |
| auth_otp_required | OTP verification is required for processing |
| auth_fatal_error | The card authorisation failed |
| card_expired | The card expired |
| card_3ds_enrolled | 3D-Secure verification is required for this card processing |
| card_blocked_by_invalid_pin | The card is blocked because of the incorrect PIN using |
| card_lost | The card is reported as lost |
| card_not_3ds_enrolled | The card doesn't support 3D-Secure verification |
| card_stolen | The card is reported as stolen |
| card_restricted | Transaction processing on this card are restricted |
| card_restricted_by_acquirer | The acquirer restricts transaction processing on this card |
| invalid_card_type | The card type is invalid |
| card_usage_limit_violation | The card usage attempts limit is exceeded |
| card_usage_issuer_limit_violation | The card usage issuer limit is exceeded |
| card_verification_failed | The card verification failed |
| client_auth_failed | The client authorisation failed |
| customer_blocked | The customer isn't allowed to make this type of transactions |
| general_decline | General decline |
| transaction_expired | The transaction expired |
| fatal_decline | Fatal decline |
| fatal_error | Fatal transaction processing error |
| fatal_invalid_card | The card is invalid and its re-using is forbidden |
| forced_captured | The transaction process is finalised manually |
| insufficient_funds | Insufficient funds |
| invalid_3ds_code | Invalid 3D-Secure verification code |
| invalid_amount | Invalid transaction amount |
| invalid_card | The card is invalid |
| invalid_cardholder | The cardholder name is incorrect |
| invalid_cvv | The card CVV is incorrect |
| invalid_details | The transaction details are incorrect |
| invalid_expire_date | The card expiry date is incorrect |
| invalid_otp_code | The OTP verification code is incorrect |
| issuer_decline | General issuer decline |
| issuer_unavailable | The card issuer is unavailable |
| limit_violation | The card limit is exceeded |
| unable_determine_3ds_enrolment | Unable to determine the card 3D-Secure enrollment status |
| unknown | Unknown error |