{"uid":"cap_98Dm3J-g90JsXWIR4zb_9","slug":"extract-forms-as-json-watch-5b622176","name":"extract-forms-as-json-watch","description":"Change watch for extract forms 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. $0.02 per check.","url":"https://page.intel.rallylive.ca/watch/page/forms/json?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_eG7VfvWY8tznx7A9S-D2l","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 web page's HTML forms for changes, returning current form data as JSON plus a diff of what changed since the last check.","exampleAgentPrompt":"Keep an eye on the contact form at https://example.com/contact and let me know whenever its fields change — I want to see exactly what changed and what it looked like before.","exampleUseCases":[{"title":"Track competitor sign-up form changes","prompt":"Watch https://competitor.com/signup and alert me whenever the sign-up form changes — I want to see which fields were added or removed compared to last time."},{"title":"Monitor government form updates","prompt":"Check https://agency.gov/apply for any changes to their application form and tell me what's different from the last time you looked, including what the fields said before."},{"title":"Detect checkout form modifications","prompt":"Keep monitoring https://shop.example.com/checkout — if the payment or shipping form fields change at all, let me know right away with a before-and-after breakdown."}],"resultDescription":"Returns the current form fields extracted as JSON, a boolean 'changed' flag indicating whether the forms differ from the previous check, a field-level diff showing before and after values for anything that changed, and a 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 — no form data extracted","Page has no HTML forms — empty result with changed=false","First call for a URL has no prior snapshot to compare — changed flag may be null or baseline","JavaScript-rendered forms may not be captured if page requires JS execution","90-day retention exceeded — prior snapshot no longer available for comparison"],"whenToPreferThis":"Choose this endpoint when you need to detect changes to HTML forms on a specific web page over time, especially when you want a structured before/after diff of form fields. It is ideal for scheduled monitoring workflows where you want to be alerted only when something actually changes, rather than re-extracting all form data manually on every poll. Prefer it over a plain form-extraction endpoint when change detection and diffing are the primary goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T00:35:23.162Z","isFirstParty":false,"canonicalSlug":"extract-forms-as-json-watch-5b622176"}