{"uid":"cap_C_-l03F4D0MlLdSFxTtw8","slug":"html-fetch-watch-c73b1aa0","name":"html-fetch-watch","description":"Change watch for html fetch: 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 raw html fetch changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/page/html","method":"GET","headers":{},"bodySchema":{"type":"object","$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_w-pwWBYdLMzuRIZQxMkiT","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 URL for changes in raw HTML content by comparing the current fetch result against the previous cached result, returning a changed flag and diff of modified fields.","exampleAgentPrompt":"Watch https://example.com/pricing for me using a GET request and tell me if the raw HTML has changed since last time, and exactly what fields are different now.","exampleUseCases":[{"title":"Track competitor pricing page updates","prompt":"Keep an eye on https://competitor.com/pricing — fetch it with GET and let me know if anything in the raw HTML has changed since last check, and show me exactly what's different."},{"title":"Monitor product availability on e-commerce site","prompt":"Check https://shop.example.com/product/sneaker-123 right now with GET and compare it to the last time you fetched it — has the HTML changed at all, and what specifically is different?"},{"title":"Alert on government regulation page changes","prompt":"Fetch https://regulations.gov/document/policy-update via GET and tell me whether the raw HTML content has changed since the previous check, including which fields changed and what the before and after values were."}],"resultDescription":"Returns the current raw HTML fetch result, a boolean 'changed' flag indicating whether the content differs from the previous call for the same URL, a list of exactly which fields changed with their before and after values, and a timestamp of when the previous result was last seen. Previous results are retained for 90 days.","failureModes":["URL is unreachable or returns a non-200 status — current fetch may fail or return error state","No prior cached result exists for the URL (first call) — changed flag may be null or false by default","Cached result has expired beyond 90 days — comparison baseline is lost","URL redirects or changes domain — may compare against stale baseline","Rate limiting or network timeouts on the target URL — fetch may be incomplete"],"whenToPreferThis":"Use this endpoint when you need to detect changes in raw HTML content of a specific URL over time without building your own diffing or storage infrastructure. It is ideal for scheduled monitoring workflows where you want a simple changed/unchanged signal plus a structured diff of what exactly changed. Prefer this over a plain HTML fetch when you need change detection logic built in, and over a full web crawler when you only need to watch a single URL.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:19:39.608Z","isFirstParty":false}