{"uid":"cap__dyn0sZhgvSOtbAGRfvAI","slug":"sitesignal-url-webpage-evidence-eaf18ac4","name":"SiteSignal URL & Webpage Evidence","description":"Verify a public webpage with a bounded, reproducible snapshot of website status, redirects, content hash, and optional text-presence evidence for monitoring and research.","url":"https://phases-prot-shine-royal.trycloudflare.com/x402/url-evidence","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","required":["url"],"properties":{"url":{"type":"string","format":"uri"},"expectedText":{"type":"string","maxLength":500},"caseSensitive":{"type":"boolean","default":false}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8LlNT2I5iHhXkAvT37EGO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Captures a bounded, reproducible snapshot of a public webpage's HTTP status, redirects, content hash, and optionally verifies whether specific text is present on the page.","exampleAgentPrompt":"Can you check whether https://www.example.com/terms still contains the phrase 'liability is limited' and give me a snapshot of its HTTP status and content hash?","exampleUseCases":[{"title":"Legal compliance page verification","prompt":"Check if our privacy policy page at https://acme.com/privacy still contains the text 'GDPR compliant' — I need confirmation it's live and that phrase is actually on the page."},{"title":"Uptime and content integrity audit","prompt":"Can you snapshot https://status.myservice.io right now and tell me the HTTP status code and a content hash so I can compare it against what it looked like last week?"},{"title":"Redirect correctness check","prompt":"Verify that https://old.mybrand.com/sale redirects properly and that the final landing page contains the word 'discount' — I want to make sure the campaign redirect is working."}],"resultDescription":"Returns a structured snapshot including the final HTTP status code, any redirect hops encountered, a content hash of the page body, and (if expectedText was supplied) a boolean indicating whether that text was found on the page, along with case-sensitivity details.","failureModes":["URL is unreachable or returns a network error — endpoint reports connection failure","Target page requires authentication — returns a non-200 status with no body content","URL format is invalid — schema validation rejects the request before any fetch","Page returns non-text content (e.g. binary file) — content hash may be present but text search is inapplicable","Cloudflare tunnel instability causing intermittent 5xx errors from the proxy layer"],"whenToPreferThis":"Choose this endpoint when you need a bounded, reproducible, single-shot verification of a public webpage's availability, content integrity, or text presence — especially for monitoring, compliance auditing, or research scenarios where you want a content hash as an immutable reference. It is better than a full crawler when you only need one page and want lightweight, fast evidence without persistent state.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:25:12.432Z","isFirstParty":false}