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HTTP header inspector

Inspect response headers from a URL.

Runs on the server
OutputText · 0 bytes
Your result will appear hereAdd your input, choose the options and run the tool.

This check runs on the server. Input and results are not saved as execution history; hosted allowances apply.

Guide & examples

About HTTP header inspector

Inspect status and response headers from a public HTTP endpoint.

When to use it

Check caching, content type, and security headers.

HTTP header inspector example
HEAD https://example.com → status and headers

How to use it

  1. Enter a URL and choose HEAD or GET.
  2. Read the final response and redirect trail.

Limits & privacy

Only public HTTP/HTTPS targets on ports 80, 443, 8080, or 8443. Private, loopback, link-local, and reserved IP ranges are blocked on every hop. Up to five redirects, 256 KiB response data, and a ten-second overall deadline. No cookies or user credentials are sent. Response bodies are not retained for this tool.

Use this tool from the API reference or connect through the SDK, CLI, SSH, or MCP. Hosted calls share your plan allowances.