{"uid":"cap_QJ3qz0jmri7T40Ie2AeSq","slug":"url-security-headers-checker-b05a5e9f","name":"URL Security Headers Checker","description":"Deterministic JSON repair and JSON Schema validation for AI agents. Free MCP, inspect, validate, repair. Paid POST /v1/json/reliable 0.003 USDC via x402 on Base.","url":"https://agent-json-reliability.onrender.com/v1/url/security-headers?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"example":{"ok":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_g9Yau2AWD5hPMTQRF8Zbg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a URL and checks the HTTP security headers present in the response, reporting on header presence and compliance.","exampleAgentPrompt":"Can you check the security headers on https://example.com and tell me which ones are missing or misconfigured?","exampleUseCases":[{"title":"Audit a production website's headers","prompt":"Check the security headers on https://mycompany.com and let me know if we're missing anything critical like CSP, HSTS, or X-Frame-Options."},{"title":"Pre-launch security header review","prompt":"Before we go live, can you scan https://staging.myapp.io and verify it has all the recommended security headers in place?"},{"title":"Compliance check for a third-party URL","prompt":"I need to verify that https://partner-api.example.com returns proper HTTP security headers — can you check what it's serving and flag any gaps?"}],"resultDescription":"Returns an object indicating which HTTP security headers are present or absent on the given URL, along with a success/ok status and per-header compliance details.","failureModes":["URL is unreachable or returns a network error","Invalid or malformed URL provided","Target server blocks automated requests or returns 403","Timeout if the remote server is slow to respond","HTTPS certificate errors on the target URL"],"whenToPreferThis":"Choose this endpoint when you need a quick, automated check of HTTP security headers for a specific URL — particularly useful for pre-deployment audits, compliance validation, or monitoring third-party endpoints for security posture. It is part of a broader JSON reliability and agent tooling suite, making it convenient when already using that platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:49:15.692Z","isFirstParty":false,"canonicalSlug":"url-security-headers-checker-b05a5e9f"}