{"uid":"cap_XGFjFOd4heEABEzhNObSj","slug":"http-response-headers-inspector-9308a187","name":"HTTP Response Headers Inspector","description":"Inspect useful HTTP response, cache, CORS, and security headers for a public URL.","url":"https://remarkable-creation-production-8797.up.railway.app/v1/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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["target"],"properties":{"target":{"type":"string","description":"Public HTTP(S) URL or hostname, e.g. example.com"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8fTNxqJc2DDWlnbuEF1WR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and inspects HTTP response headers (cache, CORS, security) for any public URL","exampleAgentPrompt":"Can you check the HTTP response headers for https://api.example.com and tell me what security headers, CORS policy, and cache settings it's returning?","exampleUseCases":[{"title":"Security header audit for a website","prompt":"Can you inspect the response headers for https://stripe.com and tell me whether it has HSTS, Content-Security-Policy, and X-Frame-Options set?"},{"title":"Debugging CORS policy for an API","prompt":"I'm getting CORS errors when calling https://api.myservice.com from my browser — can you fetch its response headers and show me what CORS headers it's actually sending back?"},{"title":"Checking cache configuration for a CDN asset","prompt":"Can you look at the headers returned by https://cdn.example.com/assets/main.js and tell me what Cache-Control and ETag headers it's using?"}],"resultDescription":"A structured breakdown of HTTP response headers grouped by category — including cache headers (Cache-Control, ETag, Expires), CORS headers (Access-Control-Allow-Origin, Access-Control-Allow-Methods), and security headers (Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy) returned by the target URL.","failureModes":["Private or localhost URLs return an error since only public URLs are supported","Non-existent hostnames result in a DNS resolution failure","HTTP method mismatch (e.g. using POST) not supported by this endpoint","Target URL returns a non-standard response or times out","Rate limits or firewall rules on the target server block the request"],"whenToPreferThis":"Use this endpoint when you need to inspect or audit the HTTP response headers of a public URL — especially for security compliance checks, CORS debugging, or cache configuration analysis. Prefer this over a full page scraper when you only need header metadata, not page content. It complements sibling endpoints for redirect resolution and metadata extraction on the same platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:37:23.523Z","isFirstParty":false}