{"uid":"cap_9Kpfsuxcd_BEC8enwdwK3","slug":"webpage-text-extractor-change-watch-fe1081a7","name":"Webpage Text Extractor Change Watch","description":"Change watch for webpage text extractor: runs the check and compares it with the result from your previous call for the same url (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when extract the readable main text of a web page as plain text changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/page-text","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XUit59rMfr7Gl-AXh93dS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Monitors a webpage's readable plain text for changes by comparing each check against the previously stored result, returning change status and field-level diffs.","exampleAgentPrompt":"Keep an eye on https://example.com/pricing for me — check it regularly and let me know whenever the readable text on that page changes from what it was last time.","exampleUseCases":[{"title":"Competitor pricing page monitoring","prompt":"Watch https://competitor.com/pricing and tell me whenever the text on that page changes — I want to know immediately if they update their pricing or plans."},{"title":"News article edit tracking","prompt":"Monitor https://news-site.com/article/breaking-story and alert me if the article text gets edited or updated from what it currently says."},{"title":"Government policy page change alerts","prompt":"Check https://agency.gov/policies/terms regularly and notify me if the readable content changes at all — I need to stay current on any policy updates."}],"resultDescription":"Returns the current extracted plain text of the page, a boolean indicating whether the content changed since the last call for the same URL, a list of exactly which fields changed with their before and after values, and a timestamp of when the content was last seen. Results from previous calls are retained for 90 days for comparison.","failureModes":["URL is unreachable or returns a non-200 status — check may fail or return error","Page requires JavaScript rendering — static extractor may miss dynamically loaded content","First call for a URL has no previous snapshot to compare against — changed flag may be null or false by default","URL content is behind authentication — extractor cannot access protected pages","90-day retention window exceeded — no prior snapshot available for comparison"],"whenToPreferThis":"Choose this endpoint when you need to detect changes in the human-readable main body text of a webpage on a recurring basis, and want structured diff output (before/after field values) without building your own snapshot storage. It is ideal for scheduled agent workflows that poll pages periodically and need change-aware responses rather than raw content every time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:55.617Z","isFirstParty":false}