> For the complete documentation index, see [llms.txt](https://weex-1.gitbook.io/en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://weex-1.gitbook.io/en/futures-1/restapi/error-codes/common-error-codes.md).

# Common Error Codes

| Error Message                                                 | Error Code | Http Status Code |
| ------------------------------------------------------------- | ---------- | ---------------- |
| ACCESS\_KEY header is required                                | 40001      | 400              |
| ACCESS\_SIGN header is required                               | 40002      | 400              |
| ACCESS\_TIMESTAMP header is required                          | 40003      | 400              |
| Invalid ACCESS\_TIMESTAMP                                     | 40005      | 400              |
| Invalid ACCESS\_KEY                                           | 40006      | 400              |
| Invalid Content\_Type, please use the application/json format | 40007      | 400              |
| Request timestamp expired                                     | 40008      | 400              |
| API authentication failed                                     | 40009      | 400              |
| Request too frequently                                        | 429        | 429              |
| ACCESS\_PASSPHRASE header is required                         | 40011      | 400              |
| apikey/passphrase is incorrect                                | 40012      | 400              |
| User is frozen                                                | 40013      | 400              |
| Incorrect permissions                                         | 40014      | 400              |
| System error                                                  | 40015      | 400              |
| The user must bind a mobile phone or Google                   | 40016      | 400              |
| Parameter verification failed                                 | 40017      | 400              |
| Illegal ip request                                            | 40018      | 400              |