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URL HTTP Headers Inspector
x402
URL HTTP Headers Inspector is a paid API for AI agents from url-intel.bowling-anthony.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Fetches and analyzes the HTTP response headers of a given URL, reporting on server identity, content type, caching directives, and the presence or absence of security headers.
Price / call$0.005
Success—
StatusUnknown
How this service works
What a host says about itself: status, server, content type, caching, and which security headers are set or missing.
Output
Returns the HTTP response headers from the target URL, including the status code, Server header, Content-Type, caching-related headers (Cache-Control, Expires, ETag), and a summary of which security headers (such as HSTS, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy) are present or absent.
Example use cases
Security header audit for a new site
“Can you check https://myapp.io's response headers and tell me which security headers like Content-Security-Policy, HSTS, and X-Frame-Options are present or missing?”
Identify web server software
“What web server is https://shop.acmecorp.com running? Check the response headers and tell me what the Server header says.”
Cache configuration check
“Check https://cdn.mybrand.com/assets/main.js and tell me what caching headers it returns — is it setting Cache-Control or Expires correctly?”
Technical details
Endpoint
GEThttps://url-intel.bowling-anthony.workers.dev/headersWhen to prefer
Use this endpoint when you need a quick, per-URL HTTP header inspection — especially for security audits, server fingerprinting, or cache configuration checks — without needing to follow redirect chains (use the sibling redirect endpoint for that) or parse page content. Ideal for automated compliance checks, pre-deployment header audits, or security monitoring workflows.
Side effects
- Target URL is unreachable or returns a network error — endpoint may return an error or timeout
- URL is malformed or missing — likely returns a 400 Bad Request or validation error
- Target server blocks automated requests — may return 403 or empty header set
- DNS resolution failure for the target host — results in a connection error
- Redirects not followed — headers returned may be from an intermediate redirect response rather than the final destination
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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