510 Not Extended
We'd need more from you. Nobody uses this.
What it properly means
Further extensions to the request are required for the server to fulfil it.
- Class
- 5xx Server error: we fucked up
- Defined in
- RFC 2774
- Notes
- deprecated
Get one yourself
This endpoint really answers with 510. Point your client at it and see what it does.
curl -i https://httpcodes.dev/api/510