unsupported_media_type

This endpoint does not accept the Content-Type.

HTTP status	415
code	unsupported_media_type
Retry?	No, fix the request first

What it means

JSON endpoints expect Content-Type: application/json. Image uploads expect image/png, image/jpeg, image/webp or application/octet-stream.

How to fix it

Set the matching header. With curl: -H "Content-Type: application/json" for JSON.

Example

{
  "type": "https://docs.kalender-sync.de/en/api/errors/unsupported_media_type",
  "title": "Unsupported media type",
  "status": 415,
  "code": "unsupported_media_type",
  "request_id": "req_…"
}

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