Free tools

Fetch a URL and return its response headers + a security grade based on HSTS, CSP, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, and Permissions-Policy presence.

Fetch a URL and return its response headers + a security grade based on HSTS, CSP, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, and Permissions-Policy presence.

Free and keyless: no Authorization header, CORS enabled for browser callers. Rate limited per IP at 30 requests/minute and 500/day; the x-ratelimit-remaining-minute and x-ratelimit-remaining-day response headers report what is left.

Example: curl -s "https://api.domainee.dev/v1/tools/http-header-checker?url=https://domainee.dev" | jq

get/v1/tools/http-header-checker

Request

  • Base URL: https://api.domainee.dev
  • URL: https://api.domainee.dev/v1/tools/http-header-checker
  • Auth: none required

Query parameters

urlstring required
Example:https://domainee.dev

Full URL to fetch (must include scheme).

Response

Lookup completed.

oktrue required
dataobject required

Changes

No recorded changes to this operation across all 1 revision of this API.