{"uid":"cap_92sw2FV7744OSU2luLPyt","slug":"website-change-monitor-5bf32861","name":"Website Change Monitor","description":"Fetch a public webpage, normalize its readable text, and report whether it changed against a caller-supplied baseline.","url":"https://i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/website-change-monitor?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BuZ8a1PAmgtkcu3-0yqyd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public webpage, normalizes its readable text, and reports whether the content has changed compared to a caller-supplied baseline.","exampleAgentPrompt":"Check if https://example.com/pricing has changed since my last snapshot — here's the baseline text I stored previously: 'Plan A: $10/mo, Plan B: $25/mo'. Fetch the page now, normalize the readable text, and tell me if anything is different.","exampleUseCases":[{"title":"Competitor pricing page monitoring","prompt":"Fetch https://competitor.com/pricing right now and compare it to this baseline I saved last week: 'Starter: $19/mo, Pro: $49/mo, Enterprise: contact us'. Has anything changed?"},{"title":"Regulatory filing page update check","prompt":"Check if the SEC filing page at https://sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001234567 has any new content compared to this baseline text I captured yesterday — let me know if it changed."},{"title":"E-commerce product availability monitoring","prompt":"Pull the current readable text from https://store.example.com/product/widget-pro and compare it against my baseline 'In Stock — Ships in 2-3 days'. Has the availability or price changed?"}],"resultDescription":"Returns the normalized readable text of the fetched webpage along with a boolean indicating whether the content differs from the caller-supplied baseline, and optionally a summary of what changed.","failureModes":["URL is unreachable or returns a non-200 HTTP status — endpoint reports fetch failure","Page requires JavaScript rendering and static fetch misses dynamic content — normalized text may be incomplete","Baseline text is empty or malformed — comparison may always report as changed","Rate limiting or bot-blocking by the target website — fetch may fail or return partial content","Very large pages may be truncated before normalization"],"whenToPreferThis":"Choose this endpoint when you need to detect whether a specific public webpage has changed relative to a known baseline snapshot, especially in agent workflows where you want a single call to both fetch and compare. Prefer it over raw web scrapers when you need normalized, readable text and a direct boolean change signal without writing your own diff logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:36:32.072Z","isFirstParty":false,"canonicalSlug":"website-change-monitor-5bf32861"}