| Axxxx | Param error |
| B0001 | Signature Error |
| T0062 | Please expand the number of API addresses or upgrade the subscription version first |
| E0001 | The IP is not added to the whitelist list |
| E0002 | Address alias must be a combination of 40 characters or less |
| E0003 | Item does not exist or item status is anomalous |
| E0004 | Unsupported interface type |
| E0005 | Unsupported coin |
| E0006 | The withdrawal amount must be greater than 0 |
| E0007 | Incorrect accuracy of the withdrawal amount |
| E0008 | Address is invalid |
| E0009 | Duplicate business number |
| E0010 | Wallet does not exist |
| E0014 | Transfer out of business unqueried to order information |
| E0015 | Item order does not exist |
| E0016 | Amount error |
| E0018 | Order number must be unique |
| E0019 | Order number exceeds 128 characters |
| E0020 | Unsupported currency |
| E0021 | Order remark exceeds 256 characters |
| E0022 | Order amount must be greater than 0 |
| E0023 | Order amount precision error |
| E0024 | Order does not exist |
| E0025 | Incorrect payer information |
| E0026 | Please input in minutes. Minimum is 10 minutes,maximum 60 minutes |
| E0027 | Number of addresses set incorrectly |
| E0028 | Unsupported address status value |
| E0029 | At least one modification required |
| E0030 | Address update failed |
| E0031 | Failed to create the checkout counter |
| E0032 | Memo content only supports numeric characters and must be less than 4294967295 |
| E0033 | Please expand the number of API addresses or upgrade the subscription version first |
| E0034 | The number of available withdrawals is insufficient |