Look up a status, pick the right one for an API, or hit a live endpoint that actually returns it. Add ?code=418 to this URL and the response is that status — useful for curl, interceptors, and “what does my client do on 503?” Nothing here phones home except the Try it fetch to this same page.
Which class?
The origin server did not find a current representation, or is unwilling to disclose that one exists.
When to use
Unknown path, unknown id, or a deliberate hide. Safe default when you do not want to reveal why.
Don’t
If it existed and is gone for good, 410 is more precise. If they are not allowed to see it, 403 (or 404 if you want to hide it).
Live URL
curl -i https://corecoding.com/utilities/http-status.php?code=404
No codes match.
Code use cases