{"slug":"http-security-headers-check-d4d41047","name":"HTTP Security Headers Check","summary":"Audit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flags information-leak headers (Server, X-Powered-By), and returns the parsed values plus advisory warnings. Clean JSON for security and pentest automation.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:11.563295Z","sources":[{"source":"x402_bazaar","external_id":"https://headers.use.x402atlas.com/","owner_address":"0x7f8043c400799643bcb62b41b84b297a8ecb7b9c","seen_at":"2026-10-26T05:59:03.235902Z","removed_at":null}],"endpoints":[{"url":"https://headers.use.x402atlas.com/","host":"headers.use.x402atlas.com","protocol":"x402","state":"live","last_probe_at":"2026-10-25T17:51:08.119630Z","last_ok_at":"2026-10-25T17:51:08.119630Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"headers-use-x402atlas-com-5ea12f3d","name":"headers.use.x402atlas.com"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":18,"paid_calls_30d":24,"last_paid_at":"2026-10-25T11:38:07.406Z","reported_at":"2026-10-26T05:59:03.235902Z"},"notice":"Not affiliated with addrbook — claim or request removal."}