{"uid":"cap_9ePEeqfAgqQWkY8ECylmY","slug":"website-change-detector-9662c5ba","name":"Website Change Detector","description":"Compare a public webpage current text against caller-supplied prior text and report whether it changed.","url":"https://x402-zoo.lolagent.workers.dev/api/website-change","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","prior_text"],"properties":{"url":{"type":"string"},"prior_text":{"type":"string"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9H6FtQ67l735zfT-wSjrj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a public webpage and compares its current text to caller-supplied prior text, reporting whether the content has changed.","exampleAgentPrompt":"Check if https://example.com/pricing has changed since I last saw it — here's the text I saved before: 'Our Pro plan starts at $29/month, billed annually.' Let me know if anything is different now.","exampleUseCases":[{"title":"Price change monitoring for e-commerce","prompt":"Has https://store.example.com/product/widget changed since last week? The text I recorded before was: 'Price: $49.99, In Stock, Free shipping on orders over $50.' Tell me if any of that is different now."},{"title":"Competitor announcement tracking","prompt":"Check if the press releases page at https://competitor.com/news has been updated — the last text I captured was: 'No announcements yet for Q3 2024.' Let me know if there's anything new."},{"title":"Government regulation page monitoring","prompt":"I need to know if https://agency.gov/regulations/current has changed since I saved this snippet: 'Effective date: January 1, 2024. Compliance deadline: June 30, 2024.' Has the page been updated?"}],"resultDescription":"Returns a flag indicating whether the current webpage text differs from the supplied prior text, along with the current fetched text so the caller can inspect what changed.","failureModes":["URL is not publicly accessible or returns a non-200 status — endpoint cannot fetch the page","Webpage uses heavy JavaScript rendering — fetched text may be incomplete or empty","prior_text or url query parameter missing — request rejected","Very large webpages may result in truncated or slow responses","Paywalled or bot-protected pages may return challenge pages instead of real content"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call webpage change check without setting up a recurring monitoring service. Ideal for agents that need to verify whether a specific public URL has been updated since a known snapshot, without storing state server-side — the caller manages the prior text.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:57:56.912Z","isFirstParty":false}