# Appendix B (Response Code)

## :white\_check\_mark: Response Code with Response Message List

| Response code                  | Response message                                                                                    |
| ------------------------------ | --------------------------------------------------------------------------------------------------- |
| SUCCESS                        | success                                                                                             |
| PROCESSING                     | transaction processing                                                                              |
| PWD\_INCORRECT                 | password is incorrect                                                                               |
| FAIL                           | failure.                                                                                            |
| TIMEOUT                        | timeout.                                                                                            |
| SYSTEM\_ERROR                  | system error.                                                                                       |
| PARAM\_INVALID                 | invalid parameter                                                                                   |
| PARAM\_ERROR                   | parameter format error                                                                              |
| ORDER\_PAID                    | order paid                                                                                          |
| ORDER\_USED                    | order number duplicated                                                                             |
| ORDER\_TYPE\_ERROR             | pre-authoried order                                                                                 |
| DB\_ERROR                      | database error                                                                                      |
| MER\_NO\_AUTH                  | no permission for the merchant                                                                      |
| CODE\_EXPIRE                   | QR code expired, please refresh and try again                                                       |
| AMOUNT\_NOT\_ENOUGH            | insufficient balance                                                                                |
| CARD\_NOT\_SUPPORT             | unsupported card                                                                                    |
| CURRENCY\_NOT\_SUPPORT         | unsupported currency                                                                                |
| ORDER\_CLOSED                  | order closed                                                                                        |
| ORDER\_REVERSED                | order cancelled                                                                                     |
| BANK\_ERROR                    | banking system anomaly                                                                              |
| AUTH\_CODE\_ERROR              | authorization code parameter error                                                                  |
| AUTH\_CODE\_INVALID            | authorization code validation fail                                                                  |
| REQ\_AGAIN                     | please restart a transaction                                                                        |
| REFUND\_INVALID                | refund amount greater than the amount paid                                                          |
| MERCHANT\_INVALID              | merchant information does not match                                                                 |
| REFUND\_FEE\_MISMATCH          | refund amount check fail                                                                            |
| REFUND\_NOT\_EXIST             | refund order not exist                                                                              |
| BODY\_NOT\_ENOUGH              | insufficient message header                                                                         |
| ORDER\_NOT\_EXIST              | original order not exist                                                                            |
| PRE\_AUTH\_FINISHED            | original order has been finished                                                                    |
| REVERSE\_NOT\_SUPPORT          | original order does not support revocation.                                                         |
| STATU\_FAIL                    | accepting institution abnormal state                                                                |
| SIGN\_FAIL                     | verification signature fail                                                                         |
| REFUND                         | transfer to refund                                                                                  |
| REFUND\_SUCCESS                | refund success.                                                                                     |
| PARTIAL\_REFUNDED              | partial Refunded                                                                                    |
| FULLY\_REFUNDED                | fully Refunded.                                                                                     |
| REF\_SUCCESS\_CHANGE           | <p>refund success, user card frozen, need</p><p>human intervention</p>                              |
| NOTPAY                         | unpaid                                                                                              |
| PAYERROR                       | payment failed                                                                                      |
| NO\_CHANNEL                    | no channel supported                                                                                |
| MER\_NO\_INFO                  | failed to get merchant information.                                                                 |
| MER\_ACCOUNT\_INSUFFICIENT     | merchant account balance is insufficient. Do not allow to refund.                                   |
| OTHER                          | other case.                                                                                         |
| SERIALNO\_EXIST                | the account request serial number already exists, can not be submitted again.                       |
| REASON\_TRADE\_BEEN\_FREEZEN   | corresponding trade has been frozen due to security issues. Please contact Alipay technical support |
| HAS\_NO\_PRIVILEGE             | no privilege. please contact Alipay technical support                                               |
| BUYER\_ERROR                   | the buyer does not exist.                                                                           |
| BUYER\_ENABLE\_STATUS\_FORBID  | buyer account status prohibits the refund                                                           |
| SELLER\_ERROR                  | the seller does not exist.                                                                          |
| TRADE\_STATUS\_ERROR           | the trade status is illegal.                                                                        |
| TRADE\_HAS\_FINISHED           | the trade has been finished.                                                                        |
| MERCHANT\_BALANCE\_NOT\_ENOUGH | merchant balance is not enough for refund.                                                          |
| TRADE\_CANCEL\_TIME\_OUT       | the cancellation request is beyond the opening hours.                                               |
| UNKNOW                         | indicates payment result is unknown);                                                               |