{"uid":"cap__rmPnS3KdDCRZCwOAG6b2","slug":"url-http-headers-inspector-0e4f823a","name":"URL HTTP Headers Inspector","description":"What a host says about itself: status, server, content type, caching, and which security headers are set or missing.","url":"https://url-intel.bowling-anthony.workers.dev/headers","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZfLufmYz7IuZS_5hnIgQ4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and analyzes the HTTP response headers of a given URL, reporting on server identity, content type, caching directives, and the presence or absence of security headers.","exampleAgentPrompt":"Can you check what HTTP response headers https://example.com returns — specifically which security headers like HSTS, CSP, or X-Frame-Options are set and which are missing?","exampleUseCases":[{"title":"Security header audit for a new site","prompt":"Can you check https://myapp.io's response headers and tell me which security headers like Content-Security-Policy, HSTS, and X-Frame-Options are present or missing?"},{"title":"Identify web server software","prompt":"What web server is https://shop.acmecorp.com running? Check the response headers and tell me what the Server header says."},{"title":"Cache configuration check","prompt":"Check https://cdn.mybrand.com/assets/main.js and tell me what caching headers it returns — is it setting Cache-Control or Expires correctly?"}],"resultDescription":"Returns the HTTP response headers from the target URL, including the status code, Server header, Content-Type, caching-related headers (Cache-Control, Expires, ETag), and a summary of which security headers (such as HSTS, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy) are present or absent.","failureModes":["Target URL is unreachable or returns a network error — endpoint may return an error or timeout","URL is malformed or missing — likely returns a 400 Bad Request or validation error","Target server blocks automated requests — may return 403 or empty header set","DNS resolution failure for the target host — results in a connection error","Redirects not followed — headers returned may be from an intermediate redirect response rather than the final destination"],"whenToPreferThis":"Use this endpoint when you need a quick, per-URL HTTP header inspection — especially for security audits, server fingerprinting, or cache configuration checks — without needing to follow redirect chains (use the sibling redirect endpoint for that) or parse page content. Ideal for automated compliance checks, pre-deployment header audits, or security monitoring workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:37:03.512Z","isFirstParty":false}