505 HTTP Version Not Supported
We don't speak that version.
What it properly means
The HTTP version used in the request is not supported by the server.
- Class
- 5xx Server error: we fucked up
- Defined in
- RFC 9110, section 15.6.6
Get one yourself
This endpoint really answers with 505. Point your client at it and see what it does.
curl -i https://httpcodes.dev/api/505