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?
Origin certificate is expired, self-signed, or does not match the host, and Cloudflare is in Full (strict).
When to use
Fix the origin certificate.
Don’t
Flexible mode hides this and is not a fix.
Live URL
curl -i https://corecoding.com/utilities/http-status.php?code=526
No codes match.
Code use cases