{"uid":"cap_vHqxZQIqbb06eU9XOGjpE","slug":"fetchdelta-page-watch-30-day-6fb1c197","name":"FetchDelta Page Watch 30-Day","description":"Public page data and prepaid daily watches for AI agents. Pay per result with Base USDC over x402.","url":"https://fetchdelta.com/api/page-watch-30d","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","description":"Absolute URL of a public HTTP(S) page to fetch. Use docs, changelogs, release notes, pricing pages, policy pages, or other public pages. Private, localhost, credentialed, and non-HTTP(S) URLs are rejected. Repeat the url query parameter to watch up to five pages."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"watch":{"id":"00000000-0000-4000-8000-000000000000","cadence":"daily","statusUrl":"https://fetchdelta.com/api/page-watch-30d/00000000-0000-4000-8000-000000000000","durationDays":30},"access":{"token":"returned-once-after-payment","scheme":"Bearer"},"product":"page-watch-30d","initialCheck":{"failedUrls":0,"changedUrls":0,"checkedUrls":1}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zXcmAu0pr8UUXIlCkUVNJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Creates a prepaid 30-day daily watch on up to five public URLs, notifying when page content changes, with payment via Base USDC over x402.","exampleAgentPrompt":"Set up a 30-day daily watch on https://stripe.com/docs/changelog so I get alerted whenever that page changes — pay for it with USDC.","exampleUseCases":[{"title":"Competitor pricing page tracker","prompt":"Watch https://acme.com/pricing every day for the next 30 days and let me know if anything changes — I want to catch any price adjustments they make."},{"title":"Dependency release notes monitor","prompt":"Set up a daily watch on https://github.com/openai/openai-node/blob/main/CHANGELOG.md for 30 days so I know the moment a new version is released."},{"title":"Regulatory policy change alerter","prompt":"Monitor https://platform.openai.com/docs/usage-policies daily for 30 days and notify me if the policy wording changes at any point."}],"resultDescription":"Returns a watch object with a unique watch ID, a status URL to poll for future change reports, a one-time Bearer access token for subsequent status requests, the 30-day cadence details, and an initial check summary showing how many of the submitted URLs were successfully checked, changed, or failed.","failureModes":["Invalid or non-public URL (localhost, credentialed, or non-HTTP(S) URLs rejected)","More than five URLs supplied in a single request","Payment failure or insufficient USDC balance over x402","URL is inaccessible or returns non-200 at initial check (reflected in failedUrls count)","Malformed request missing required 'url' query parameter"],"whenToPreferThis":"Choose this endpoint when you need prepaid, scheduled daily monitoring of up to five public pages over a 30-day window and want to pay per result in USDC via x402 without managing recurring billing. Prefer it over one-shot fetch or diff endpoints when you need persistent, autonomous change detection rather than a single snapshot or comparison. It is ideal for agents that must surface breaking changes in docs, changelogs, pricing, or policy pages without polling themselves.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:42:25.590Z","isFirstParty":false}