file_type_not_allowed
HTTP 422 · Do not retry unchanged — fix the request first
The file content is not an accepted type.
What happened
We check the actual bytes of the file, not its extension. Renaming a file does not change what it is.
The message names the type we detected.
How to fix it
- Send one of the accepted types: PNG, JPG, WebP, GIF, SVG, PDF, DXF, EPS, PS, ZIP or plain text.
- If you believe the type is correct, check that the upload transferred the raw bytes and not a wrapped or re-encoded copy.
Retrying
Repeating the request unchanged will fail again. Correct the request first — the response tells you which part is wrong.
All error codes: /developers/errors · Machine-readable: llms-full.txt