| Success | 200 | any | 00 | Successful | Successful |
| Success | 202 | any | 00 | Request In Progress | Transaction still on process |
| System | 400 | any | 00 | Bad Request | General request failed error, including message parsing failed. |
| Message | 400 | any | 01 | Invalid Field Format {field name} | Invalid format |
| Message | 400 | any | 02 | Invalid Mandatory Field {field name} | Missing or invalid format on mandatory field |
| System | 401 | any | 00 | Unauthorized. [reason] | General unauthorized error (No Interface Def, API is Invalid, Oauth Failed, Verify Client Secret Fail, Client Forbidden Access API, Unknown Client, Key not Found) |
| System | 401 | any | 01 | Invalid Token (B2B) | Token found in request is invalid (Access Token Not Exist, Access Token Expiry) |
| System | 401 | any | 02 | Invalid Customer Token | Token found in request is invalid (Access Token Not Exist, Access Token Expiry) |
| System | 401 | any | 03 | Token Not Found (B2B) | Token not found in the system. This occurs on any API that requires token as input parameter |
| System | 401 | any | 04 | Customer Token Not Found | Token not found in the system. This occurs on any API that requires token as input parameter |
| Business | 403 | any | 00 | Transaction Expired | Transaction expired |
| System | 403 | any | 01 | Feature Not Allowed [Reason] | This merchant is not allowed to call Direct Debit APIs |
| Business | 403 | any | 02 | Exceeds Transaction Amount Limit | Exceeds Transaction Amount Limit |
| Business | 403 | any | 03 | Suspected Fraud | Suspected Fraud |
| Business | 403 | any | 04 | Activity Count Limit Exceeded | Too many request, Exceeds Transaction Frequency Limit |
| Business | 403 | any | 05 | Do Not Honor | Account or User status is abnormal |
| System | 403 | any | 06 | Feature Not Allowed At This Time. [reason] | Cut off In Progress |
| Business | 403 | any | 07 | Card Blocked | The payment card is blocked |
| Business | 403 | any | 08 | Card Expired | The payment card is expired |
| Business | 403 | any | 09 | Dormant Account | The account is dormant |
| Business | 403 | any | 10 | Need To Set Token Limit | Need to set token limit |
| System | 403 | any | 11 | OTP Blocked | OTP has been blocked |
| System | 403 | any | 12 | OTP Lifetime Expired | OTP has been expired |
| System | 403 | any | 13 | OTP Sent To Cardholer | Initiates request OTP to the issuer |
| Business | 403 | any | 14 | Insufficient Funds | Insufficient Funds |
| Business | 403 | any | 15 | Transaction Not Permitted.[reason] | Transaction Not Permitted |
| Business | 403 | any | 16 | Suspend Transaction | Suspend Transaction |
| Business | 403 | any | 17 | Restricted Card | Restricted Card |
| Business | 403 | any | 18 | Restricted Card by The Issuer | Restricted Card by the issuer |
| Business | 403 | any | 19 | Restricted due to exceeding the number of PIN errors | Restricted due to exceeding the number of PIN errors |
| Business | 403 | any | 20 | Failed PIN Data Capture | Failed PIN Data Capture |
| Business | 403 | any | 21 | PIN Try Count Exceeded | PIN Try Count Exceeded |
| Business | 403 | any | 22 | Incorrect Card Holder | Incorrect Card Holder |
| Business | 403 | any | 23 | Card Invalid | Card Invalid |
| Business | 403 | any | 24 | Invalid CVV | Invalid CVV |
| Business | 403 | any | 25 | Invalid Expiration | Invalid Expiration |
| Business | 403 | any | 26 | Invalid Card Type | Invalid Card Type |
| Business | 403 | any | 27 | Card Usage Exceeded | Card Usage Exceeded |
| Business | 403 | any | 28 | Restricted by CVM | Restricted by CVM |
| Business | 403 | any | 29 | Duplicate Authorization | Duplicate Authorization |
| Business | 403 | any | 30 | Error OTP Request | Error OTP Request |
| Business | 403 | any | 31 | EMI is not available for this card/bank issuer | EMI is not available for this card/bank issuer |
| Business | 403 | any | 32 | payer is invalid | payer is invalid |
| Business | 403 | any | 33 | accountNo is invalid | accountNo is invalid |
| System | 404 | any | 00 | Not Found | Not found |
| Business | 404 | any | 01 | Transaction Not Found | Transaction not found |
| System | 404 | any | 02 | Invalid Routing | Invalid Routing |
| System | 404 | any | 03 | Bank Not Supported By Switch | Bank not supported by switch |
| Business | 404 | any | 04 | Transaction Cancelled | Transaction is cancelled by customer |
| Business | 404 | any | 05 | Merchant Is Not Registered For Card Registration Services | Merchant is not registered for Card Registration services |
| System | 404 | any | 06 | Need To Request OTP | Need to request OTP |
| System | 404 | any | 07 | Journey Not Found | The journeyID cannot be found in the system |
| Business | 404 | any | 08 | Invalid Merchant | Merchant does not exist or status abnormal |
| Business | 404 | any | 09 | No Issuer | No issuer |
| System | 404 | any | 10 | Invalid API Transition | Invalid API transition within a journey |
| Business | 404 | any | 11 | Invalid Card/Account/Customer [info]/Virtual Account | Card information may be invalid, or the card account may be blacklisted, or Virtual Account number maybe invalid. |
| Business | 404 | any | 12 | Invalid Bill/Virtual Account [Reason] | The bill is blocked/suspended/not found. Virtual account is suspend/not found. |
| Business | 404 | any | 13 | Invalid Amount | The amount doesn't match with what supposed to |
| Business | 404 | any | 14 | Paid Bill | The bill has been paid |
| System | 404 | any | 15 | Invalid OTP | OTP is incorrect |
| Business | 404 | any | 16 | Partner Not Found | Partner number can't be found |
| Business | 404 | any | 17 | Invalid Terminal | Terminal does not exist in the system |
| Business | 404 | any | 18 | Inconsistent Request | Inconsistent request parameter found for the same partner reference number/transaction id. |
| Business | 404 | any | 19 | Invalid Bill/Virtual Account | The bill is expired. Virtual account is expired. |
| System | 405 | any | 00 | Requested Function Is Not Supported | Requested function is not supported |
| Business | 405 | any | 01 | Requested Operation Is Not Allowed | Requested operation to cancel/refund transaction is not allowed at this time. |
| System | 409 | any | 00 | Conflict | Cannot use same X-EXTERNAL-ID in same day |
| System | 409 | any | 01 | Duplicate partnerReferenceNo | Transaction has previously been processed indicates the same partnerReferenceNo already success |
| System | 429 | any | 00 | Too Many Requests | Maximum transaction limit exceeded |
| System | 500 | any | 00 | General Error | General Error |
| System | 500 | Any | 01 | Internal Server Error | Unknown Internal Server Failure, please retry the process again |
| System | 500 | Any | 02 | External Server Error | Backend system failure, etc |
| System | 504 | any | 00 | Timeout | Timeout from the issuer |