{"slug":"api-trustsource-cc-headers-5a5dd9","title":"Audit a site's HTTP security headers before embedding, scraping, or trusting it","host":"api.trustsource.cc","method":"GET","resource":"https://api.trustsource.cc/headers","category":"code","description":"Audit a site's HTTP security headers before embedding, scraping, or trusting it. Returns an A+ to F grade and 0–100 score with structured analysis of HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, and Cross-Origin headers, plus server-header disclosure. A de","price_listed":0.003,"price_asked":0.003,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":950,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"url":"https://example.com"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"url":{"description":"Full URL including scheme to audit (e.g. https://example.com). Follows up to 3 re-validated redirects.","type":"string"}},"required":["url"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.003,"price_match":true,"latency_ms":950,"error":null}],"description_full":"Audit a site's HTTP security headers before embedding, scraping, or trusting it. Returns an A+ to F grade and 0–100 score with structured analysis of HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, and Cross-Origin headers, plus server-header disclosure. A defense-in-depth signal for agents reviewing a site's security posture — not a vulnerability scan.","last_updated":"2026-09-14T19:50:17.887Z","schemes":["exact"]}