{"uid":"cap_2iXhUVnYijff6ifH3VcAg","slug":"extract-headings-as-json-watch-0684b2ce","name":"extract-headings-as-json-watch","description":"Change watch for extract headings 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. $0.02 per check.","url":"https://page.intel.rallylive.ca/watch/page/headings/json?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_EMHiV8pkR0_pNLEHKgYHj","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 headings (H1-H6) for changes by comparing the current extraction against a stored baseline and returning a diff with changed/unchanged status.","exampleAgentPrompt":"Keep an eye on https://example.com for me and let me know if any of the headings change — compare what's there now with what you last saw and tell me exactly what's different.","exampleUseCases":[{"title":"SEO heading structure monitoring","prompt":"Check https://competitor.com/pricing for me and tell me if any of their headings have changed since last time — I want to know if they've renamed any sections or added new ones."},{"title":"News site headline tracking","prompt":"Watch https://techcrunch.com and alert me whenever the headings on the page change — show me what was there before and what it says now."},{"title":"Documentation page update detection","prompt":"Monitor https://docs.myplatform.com/api-reference and tell me if any of the section headings have been updated since you last checked, so I can catch documentation changes early."}],"resultDescription":"Returns the current headings extracted from the page as JSON, a boolean 'changed' flag indicating whether the headings differ from the previous check, a list of fields that changed with before/after values, and the timestamp of when the page was last seen. Previous results are retained for 90 days for comparison.","failureModes":["URL is unreachable or returns non-200 response — extraction fails with an error","No previous check exists for the URL — baseline not yet established, comparison unavailable","Page blocks scraping (bot detection, CAPTCHA) — headings cannot be extracted","Malformed or non-HTML response — no headings found","90-day retention window exceeded — baseline expired and comparison unavailable"],"whenToPreferThis":"Use this endpoint when you need to detect changes in a webpage's heading structure over time rather than just performing a one-time extraction. Ideal for SEO monitoring, competitive intelligence, content update tracking, or any workflow where you want to be alerted when H1-H6 tags are added, removed, or modified. Prefer this over a plain extraction endpoint when you need change detection logic (diff, before/after values) without building your own storage layer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:49:04.303Z","isFirstParty":false,"canonicalSlug":"extract-headings-as-json-watch-0684b2ce"}