> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cortex.foundation/llms.txt
> Use this file to discover all available pages before exploring further.

# unsupported_media_type

> Unsupported media type. HTTP 415.

|           |                                                                  |
| --------- | ---------------------------------------------------------------- |
| HTTP      | `415`                                                            |
| `code`    | `unsupported_media_type`                                         |
| `type`    | `https://docs.cortex.foundation/problems/unsupported_media_type` |
| Retryable | no                                                               |

`Content-Type` is not one this endpoint can process.

```json theme={null}
{
  "type": "https://docs.cortex.foundation/problems/unsupported_media_type",
  "title": "Unsupported media type",
  "status": 415,
  "code": "unsupported_media_type",
  "request_id": "req_…"
}
```

## Related

* [Errors](/reference/errors) - how to branch on `code`, and what not to render from `detail`.
* [Problem catalog](/problems) - every code, its status, and whether retrying helps.
* [Troubleshooting](/getting-started/troubleshooting) - what a message in the product means.