{"uid":"cap_rl0Z5Bf9_BpgrMBx9tZ1g","slug":"pennyrail-http-headers-resource-node-27f916fe","name":"PennyRail HTTP Headers Resource Node","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/network/web.http-headers--http-headers?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object"}}},"responseSchema":{"type":"object","additionalProperties":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_5G1-yIJCpO7yDEvIIL4d4","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 or processes HTTP header information for a given web resource via a paid settlement endpoint using the x402 micropayment protocol","exampleAgentPrompt":"Can you fetch the HTTP headers returned by the web resource I'm working with and show me what the server is sending back — things like content-type, cache-control, and any security headers?","exampleUseCases":[{"title":"Security header audit for a website","prompt":"Check what HTTP security headers are being returned by my website — I want to know if things like X-Content-Type-Options, Strict-Transport-Security, and Content-Security-Policy are present."},{"title":"Debugging cache behavior on an API","prompt":"I'm having caching issues with my API endpoint — can you pull the HTTP headers it returns so I can see the Cache-Control and ETag values?"},{"title":"Verifying content type of a remote resource","prompt":"Can you inspect the HTTP headers of this web resource and tell me what Content-Type and Content-Encoding the server is declaring?"}],"resultDescription":"Returns an object containing HTTP header key-value pairs and associated metadata extracted from the target web resource, such as content-type, server, cache directives, and security-related headers.","failureModes":["Invalid or missing input object results in schema validation error","Target resource unreachable returns network or timeout error","Payment failure via x402 protocol blocks request execution","Resource returns unexpected non-HTTP response","Malformed URL or resource identifier causes lookup failure"],"whenToPreferThis":"Choose this endpoint when you need to programmatically retrieve HTTP headers from a web resource as part of an automated agent workflow, especially when operating in a micropayment-gated (x402) environment where per-call billing is acceptable. Useful for infrastructure inspection, debugging, or security auditing tasks where a paid, machine-readable settlement layer is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T07:04:18.235Z","isFirstParty":false,"canonicalSlug":"pennyrail-http-headers-resource-node-27f916fe"}