{"uid":"cap_DclddZfRgEJcyhZknv2ZK","slug":"website-change-evidence-7462210f","name":"Website Change Evidence","description":"Read public webpages, capture citation-grade metadata and hashes, and detect live page changes deterministically.","url":"https://website-change-evidence.inboxtzdjqv.workers.dev/v1/web-read-evidence?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"Public HTTPS URL"},"phrases":{"type":"array","description":"Optional exact phrases to check"}}},"responseSchema":null,"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_9pc0k9UpSozSub8-7qM32","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":"Reads a public webpage, captures citation-grade metadata and cryptographic hashes, and detects live page changes deterministically.","exampleAgentPrompt":"Fetch https://example.com/terms and give me a cryptographic hash and citation-grade metadata snapshot of the page right now — also check whether the phrase 'arbitration clause' still appears on it.","exampleUseCases":[{"title":"Verify regulatory page unchanged","prompt":"Fetch https://sec.gov/rules/final/2023/important-rule.htm and capture a hash and citation metadata so I can prove what it said today — also check whether the phrase 'compliance deadline' still appears on the page."},{"title":"Detect edited news article","prompt":"Read https://reuters.com/article/breaking-news-story and give me a verifiable hash and metadata snapshot — I want to know if the phrases 'initial casualty count' and 'government spokesperson' are still in the live text."},{"title":"Monitor competitor pricing page","prompt":"Grab https://competitor.com/pricing right now and record a cryptographic hash and full citation metadata, and check whether the phrase '$99 per month' is still on that page."}],"resultDescription":"Returns citation-grade metadata (title, URL, fetch timestamp, HTTP headers), a cryptographic hash of the page content, the raw or extracted page text, and a boolean/diff result indicating whether specified phrases are present or whether the page has changed from a previous hash.","failureModes":["URL is not publicly accessible or returns a non-200 status — endpoint cannot fetch private or auth-gated pages","Target page uses heavy JavaScript rendering — static fetch may miss dynamically loaded content","Rate limiting or bot-blocking by the target server — fetch may fail or return a CAPTCHA page","Invalid or malformed URL input — returns validation error","Network timeout if the target page is slow to respond"],"whenToPreferThis":"Choose this endpoint when you need deterministic, citation-grade evidence of a webpage's state — specifically when cryptographic hashes, auditable metadata, and phrase-level change detection are required. It is ideal for compliance, legal, journalistic, or monitoring workflows where proof-of-content matters, not just the content itself. Prefer it over generic scraping tools when you need to prove what a page said at a specific moment in time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T18:31:31.032Z","isFirstParty":false,"canonicalSlug":"website-change-evidence-7462210f"}