| -2 | A server dropped the connection. |
| -1 | A server error occurred. |
| 0 | Success. |
| 1 | Request parameters error. |
| 2 | Permission denied. |
| 4 | Merchant/Store not found. |
| 6 | The user making the payment has not activated their wallet. |
| 7 | Expired. |
| 9 | User’s account is banned. |
| 11 | Duplicate request/transaction. |
| 24 | User's account is frozen. |
| 42 | Insufficient balance. |
| 101 | One of the user’s wallet limits has been exceeded. |
| 102 | One of the user’s wallet limits has been exceeded. |
| 103 | User exceeded daily payment limit. Limit will reset the next day. |
| 104 | One of the user’s wallet limits has been exceeded. |
| 105 | Authorization code is invalid. |
| 121 | Client attempts to update completed transaction. |
| 301 | Invalid payment code or QR content. |
| 303 | Merchant is trying to make payment to their own user account. |
| 304 | Refund/Void. Cannot be processed due to payment exceeding validity period. Valid refund period is set at 24 hours by default. |