{"uid":"cap_tjazTqh2-MVoVLRwuqbuB","slug":"agentproof-watch-url-a939bf6e","name":"AgentProof Watch URL","description":"AgentProof publishes Agent Transaction Passport™ and provides machine-paid evidence, provenance receipts, source comparison and change monitoring for autonomous transactions.","url":"https://agentproof.hatchable.site/api/paid/watch_url?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"webhook_url":{"type":"string","format":"uri"}}},"responseSchema":{"type":"json","example":{"ok":true,"tool":"watch_url","receipt":{"id":"uuid","integrity_sha256":"..."},"service":"AgentProof"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EZBYg6FTqreHTRf7xtdsF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Registers a URL for continuous monitoring and returns a provenance receipt with an integrity hash whenever the page content changes","exampleAgentPrompt":"Set up a watch on https://example.com/data/prices.json so I get a provenance receipt with an integrity hash every time that page changes — I need to prove to auditors that my agent is reading the canonical source.","exampleUseCases":[{"title":"Autonomous agent data-source attestation","prompt":"I need to prove that my trading agent is pulling prices from the official feed at https://feeds.example.com/eth-usd.json — can you register that URL for monitoring so every read produces a cryptographic provenance receipt I can show regulators?"},{"title":"Content tampering detection for compliance","prompt":"Watch the policy page at https://legalco.com/terms and alert me with an integrity hash receipt any time it changes — our compliance team needs an auditable record of when those terms were last modified."},{"title":"Third-party SLA verification","prompt":"Set up monitoring on our vendor's status page at https://vendor.example.com/status so I have timestamped, hash-verified receipts proving what their uptime looked like during the contract period."}],"resultDescription":"Returns a JSON object confirming the watch was registered (ok: true), a tool identifier ('watch_url'), a receipt object containing a UUID receipt ID and a SHA-256 integrity hash of the monitored URL's current content, and a service identifier ('AgentProof'). This receipt serves as a tamper-evident provenance record for autonomous transaction audit trails.","failureModes":["URL is unreachable or returns a non-200 status — watch registration may fail or receipt integrity hash cannot be generated","Invalid or malformed URL in the request body — likely returns a 400 bad request","Payment of 0.25 USDC not received or x402 payment header missing — returns 402 Payment Required","URL behind authentication or firewall that blocks the monitoring agent — watch may register but content cannot be fetched","Service unavailability on hatchable.site — returns 5xx error"],"whenToPreferThis":"Choose this endpoint when an autonomous agent needs cryptographically verifiable proof that it read a specific URL at a specific time, particularly for regulatory, audit, or trust-infrastructure use cases. It is distinct from generic uptime monitors or scraping tools because it produces a machine-payable provenance receipt (Agent Transaction Passport™) with an integrity hash, suitable for use as evidence in autonomous transaction logs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:45:43.215Z","isFirstParty":false,"canonicalSlug":"agentproof-watch-url-a939bf6e"}