# Common Error Codes

| Error Message                                             | Error Code | http status code |
| --------------------------------------------------------- | ---------- | ---------------- |
| The request header "ACCESS\_KEY" cannot be empty          | 40001      | 400              |
| The request header "ACCESS\_SIGN" cannot be empty         | 40002      | 400              |
| The request header "ACCESS\_TIMESTAMP" cannot be empty    | 40003      | 400              |
| Invalid ACCESS\_TIMESTAMP                                 | 40005      | 400              |
| Invalid ACCESS\_KEY                                       | 40006      | 400              |
| Invalid Content\_Type，please use“application/json”format  | 40007      | 400              |
| Requested timestamp expired                               | 40008      | 400              |
| api verification failed                                   | 40009      | 400              |
| Request is too frequent                                   | 429        | 429              |
| The request header "ACCESS\_PASSPHRASE" cannot be empty   | 40011      | 400              |
| apikey/passphrase is incorrect                            | 40012      | 400              |
| User has been frozen                                      | 40013      | 400              |
| Incorrect permissions                                     | 40014      | 400              |
| System error                                              | 40015      | 400              |
| The user must bind a mobile phone or Google authenticator | 40016      | 400              |
| Parameter verification failed                             | 40017      | 400              |
| Illegal IP request                                        | 40018      | 400              |