Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions,
see Getting Started with Amazon Web Services in China
(PDF).
Amazon IoT errors
Help us improve this topic
This section lists the error codes sent by Amazon IoT.
Message broker error codes
| Error code |
Error description |
| 400 |
Bad request. |
| 401 |
Unauthorized. |
| 403 |
Forbidden. |
| 426 |
Upgrade required. |
| 503 |
Service unavailable. |
Identity and security error codes
| Error code |
Error description |
| 401 |
Unauthorized. |
Device shadow error codes
| Error code |
Error description |
| 400 |
Bad request. |
| 401 |
Unauthorized. |
| 403 |
Forbidden. |
| 404 |
Not found. |
| 409 |
Conflict. |
| 413 |
Request too large. |
| 422 |
Failed to process request. |
| 429 |
Too many requests. |
| 500 |
Internal error. |
| 503 |
Service unavailable. |