Fetches a public http(s) URL (GET, up to 5 redirects, 10s timeout, body never read) and grades its security headers A+ to F. Returns score, present and missing headers, per-header findings with copy-paste fix values, and cookie flag issues.
Api EndpointSecurityHealthy · 184 ms0.01 USDC0.01 USDC · eip155:8453 · USDC
https://http-security-headers-grade.x402supply.com/tools/grade_headers