{"uid":"cap_PoZ4USn2zuuNSjM2LQPRB","slug":"extract-iframes-as-json-change-watch-38ae6fc4","name":"Extract Iframes as JSON - Change Watch","description":"Change watch for extract iframes as json: runs the check, compares it with the result from your previous call for the same url (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.","url":"https://page.intel.rallylive.ca/watch/page/iframes/json?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_LotYqtz07GRbnUzxqyx1I","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 its extracted iframes (as JSON) and returns whether the result has changed since the last check, with before/after diffs.","exampleAgentPrompt":"Keep an eye on https://example.com/page for me — let me know if any of the iframes on that page have changed compared to the last time you checked, and show me exactly what changed.","exampleUseCases":[{"title":"Detecting unauthorized iframe injection","prompt":"Watch https://mycompany.com for any changes to its iframes — if someone injects a new iframe or removes an existing one, I want to know immediately with the before and after details."},{"title":"Tracking third-party embed updates","prompt":"Check https://news-partner.com/embed-page to see if any of the iframes have changed since the last check, and tell me which ones are different and what changed."},{"title":"Scheduled compliance monitoring","prompt":"Monitor https://client-site.com/landing for iframe changes on a regular schedule — I need to know if any new embeds appear or existing ones are modified, with timestamps of when changes were last seen."}],"resultDescription":"Returns the current extracted iframes as a JSON object, a boolean 'changed' flag indicating whether the iframe content differs from the previous check, a list of fields that changed with their before and after values, and a timestamp of when the result was last seen. Previous check results are retained for 90 days.","failureModes":["URL is unreachable or returns a non-200 status — check may fail or return an error","No previous check exists for the URL (first call) — 'changed' may be undefined or baseline-only","Page requires JavaScript rendering — statically-fetched iframes may be incomplete","90-day retention window exceeded — previous result no longer available for comparison","Rate limiting or access restrictions on the target page — extraction may be blocked"],"whenToPreferThis":"Use this endpoint when you need to detect changes to iframes on a specific webpage over time, rather than just extracting them once. It is ideal for scheduled monitoring workflows, compliance checks for unauthorized embeds, or tracking third-party content updates. Choose this over the bulk or single-extract variants when change detection and diffing (before/after) is the primary goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:56:16.756Z","isFirstParty":false,"canonicalSlug":"extract-iframes-as-json-change-watch-38ae6fc4"}