| 400 | PARAM_ERROR | Request parameter error |
| 400 | ADDRESS_UNAVAILABLE | Wallet address is invalid or unavailable |
| 400 | TIME_OUT | Timestamp is invalid or expired |
| 400 | CALLBACK_URL_ERROR | Callback URL is incorrect |
| 400 | INSIDE_ADDRESS | Recipient is an internal platform address |
| 400 | AMOUNT_PRECISION_TOO_SMALL | Decimal precision of the amount is invalid |
| 401 | UNAUTHORIZED_ACCESS | API Key is invalid |
| 401 | SIGN_ERROR | Signature error |
| 401 | IP_NOT_IN_WHITELIST | Request IP is not in the whitelist |
| 401 | ACCOUNT_NOT_ACTIVATE | Account not activate |
| 403 | NO_AUTH | API Key lacks permissions |
| 403 | BUSINESS_ID_EXISTENCE | Duplicate businessId |
| 403 | TRADE_ERROR | Transaction error |
| 403 | NOT_SUFFICIENT_FUNDS | Insufficient account balance |
| 429 | FREQUENCY_LIMITED | Request frequency exceeded limit |
| 450 | SUSPENDED_WITHDRAWAL | Withdrawals are temporarily suspended |
| 450 | SUSPENDED_DEPOSIT | Deposits are temporarily suspended |
| 500 | SYSTEM_ERROR | Internal system error, please try again later |