{"uid":"cap_NoE1QlleUMo-PknapqVXl","slug":"attestpage-web-page-fetch-attestation-b9a2f777","name":"AttestPage Web Page Fetch & Attestation","description":"Signed evidence about web pages, for AI agents. Ask whether a quote appears on a page or check every citation in an answer at once, fetch a page and learn…","url":"https://vehcdj664efetfrsolne5umanq.srv.us/v1/fetch?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"http(s) URL to fetch (max 2,048 characters). Send url or urls, not both."},"urls":{"type":"array","items":{"type":"string"},"maxItems":10,"minItems":1,"description":"Instead of url: 1 to 10 distinct http(s) URLs in one call, priced per URL (the route price × the count). The answer is results[], one per URL, each with its own receipt."},"return_text":{"type":"boolean","description":"Also return up to 20,000 characters of clean text (per page). Default false."}}},"responseSchema":{"type":"json","example":{"page":{"title":"Example Domains","final_url":"https://www.iana.org/help/example-domains","http_status":200,"content_kind":"real","content_sha256":"…"},"text":"…Example Domains\n\nA number of domains … are maintained for documentation purposes…","tier":"paid","receipt":"eyJ…","injection_flags":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3ucobxkBLDfWx3Vxfzsg5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a live web page and returns signed, cryptographic evidence of its content, including page metadata, SHA-256 hash, and optional clean text — designed for AI agents to verify quotes and citations.","exampleAgentPrompt":"Can you fetch https://en.wikipedia.org/wiki/Photosynthesis and give me signed proof of what it currently says, including the full page text, so I can verify whether my summary of it is accurate?","exampleUseCases":[{"title":"Citation verification for AI-generated answer","prompt":"I just got an answer from an AI that cited three URLs as sources. Can you fetch all three pages — https://example.com/article1, https://example.com/article2, and https://example.com/article3 — and get me signed evidence of what they actually say so I can check whether the quotes are real?"},{"title":"Quote presence check on a live page","prompt":"Someone told me that https://www.who.int/news/item/xyz says 'vaccines prevent 3.5 to 5 million deaths every year' — can you fetch that page right now and give me cryptographic proof of whether that exact quote actually appears on it?"},{"title":"Tamper-evident snapshot of a source","prompt":"Before I publish my research, can you fetch https://cdc.gov/flu/about/burden/index.html and return a signed receipt with the SHA-256 hash of the page so I have verifiable evidence of what it said at the time I cited it?"}],"resultDescription":"Returns a JSON object containing page metadata (title, final URL after redirects, HTTP status, content kind), a SHA-256 hash of the fetched content, optionally up to 20,000 characters of clean extracted text, a signed cryptographic receipt for attestation, and an injection_flags array indicating any detected content anomalies. For batch requests (urls array), returns an array of such results, one per URL.","failureModes":["URL is unreachable or returns non-2xx HTTP status — reflected in http_status field","URL exceeds 2,048 character limit — request rejected","More than 10 URLs submitted in batch — request rejected","Page content is paywalled or bot-blocked — content_kind may reflect non-real content","Both url and urls fields supplied simultaneously — request rejected","Malformed or non-HTTP URL — validation error"],"whenToPreferThis":"Choose AttestPage when you need cryptographically signed, tamper-evident proof of what a live web page currently contains — especially for AI citation verification, fact-checking, or legal/compliance documentation. Prefer it over generic web scrapers when you need a receipt/hash for auditability, or when verifying up to 10 URLs in a single batch call at low cost ($0.002 per URL). It is purpose-built for AI agent grounding workflows where provenance and attestation matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T12:38:52.049Z","isFirstParty":false,"canonicalSlug":"attestpage-web-page-fetch-attestation-b9a2f777"}