{"uid":"cap_59pV45ACCyBrqx1xEVKGV","slug":"agentrxi-web-page-change-watcher-5729224d","name":"AgentRXI Web Page Change Watcher","description":"Page change watch: reports what changed on a web page since your last check (lines added and removed). The first call saves a snapshot; each later call compares and updates it. Snapshots are private to the paying wallet.","url":"https://agentrxi.com/v1/watch?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","required":["url"],"properties":{"url":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__FqZpwMJDq67-0f5bYpyQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","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 content changes by comparing the current page against a stored snapshot, returning lines added and removed since the last check.","exampleAgentPrompt":"Check https://example.com/pricing for any changes since the last time you looked — tell me exactly which lines were added and which were removed.","exampleUseCases":[{"title":"Competitor pricing page monitor","prompt":"Keep an eye on https://competitor.com/pricing — has anything changed on that page since the last check? Show me what was added or removed."},{"title":"Job board new listing tracker","prompt":"Check https://jobs.example.com/openings for me and tell me if any new listings appeared or old ones disappeared since we last looked."},{"title":"Government regulation update watch","prompt":"Has https://regulations.gov/document/RULE-2024-001 changed at all since last time? I need to know if any text was added or taken away from that page."}],"resultDescription":"Returns a diff of the target web page against its stored snapshot: lines that were added since the last call and lines that were removed. On the very first call for a given URL, the snapshot is saved and no diff is returned. Subsequent calls update the snapshot and return the delta. Snapshots are isolated per paying wallet.","failureModes":["URL is unreachable or returns non-200 status — no snapshot saved or updated","First call returns no diff (snapshot creation only, no comparison yet)","Page content is dynamic/JavaScript-rendered and the snapshot may not reflect true visible content","Invalid or missing URL parameter causes request failure","Rate limiting or payment failure (x402) prevents snapshot update"],"whenToPreferThis":"Choose this endpoint when you need to track what specifically changed on a web page between two points in time, not just whether it changed. Ideal for monitoring competitor pages, documentation, regulatory filings, job boards, or any URL where the delta (added/removed lines) matters. Prefer this over generic scraping endpoints when change detection and diff output are the primary goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T22:13:13.880Z","isFirstParty":false,"canonicalSlug":"agentrxi-web-page-change-watcher-5729224d"}