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 cached copy is still good. No body.
When to use
Conditional GET with If-None-Match / If-Modified-Since.
Don’t
Never send a body. This is not an error.
Live URL
curl -i https://corecoding.com/utilities/http-status.php?code=304
No codes match.
Code use cases