{"uid":"cap_fPmrdmYrfkBVnnx7FofCN","slug":"lumi-re-paycheck-watch-55cd45af","name":"Lumière PayCheck Watch","description":"Watch an x402 endpoint for 30 days: webhook alerts when it goes down, changes payout wallet, raises its price, or fails a paid delivery check.","url":"https://lumierepaycheck.org/v1/watch?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"x402 endpoint to watch"},"webhook":{"type":"string","description":"https URL that receives alert POSTs"}}},"responseSchema":{"type":"json","example":{"id":"w_…","token":"keep-this-secret","expiresAt":"…"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zDsXVHJryMFOUCv70BjzA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Registers a monitoring watch on an x402 endpoint so that a webhook receives alerts when price, wallet, or trust conditions change before an agent pays.","exampleAgentPrompt":"Set up a Lumière PayCheck watch on https://api.example.com/data so that my webhook at https://myapp.com/alerts gets notified if the price or payout wallet changes before I authorize any payment.","exampleUseCases":[{"title":"Pre-payment trust alert for agent","prompt":"Before my agent starts paying the endpoint at https://inference.api.com/v1/generate, set up a watch on it and send alerts to https://myapp.com/hooks/lumiere so I know immediately if the price or wallet address changes."},{"title":"Fraud detection on pay-per-call API","prompt":"I'm worried a paid API I use might swap its payout wallet — can you register a Lumière PayCheck watch on https://dataprovider.io/v2/lookup and have alerts sent to https://security.mycompany.com/webhook?"},{"title":"Automated spend-safety for recurring agent workflow","prompt":"My agent calls https://translate.service.io/x402 every hour — set up a watch through Lumière PayCheck so my webhook at https://ops.myapp.com/notify fires if anything about the price or trust score changes between calls."}],"resultDescription":"Returns a watch object containing a unique watch ID (e.g. w_…), a secret webhook token to authenticate incoming alert POSTs, and an expiry timestamp indicating how long the watch is active.","failureModes":["Invalid or unreachable x402 endpoint URL — returns error indicating the URL could not be validated","Malformed or non-HTTPS webhook URL — rejected with a validation error","Duplicate watch already registered for the same endpoint/webhook pair — may return conflict or existing watch","Expired authentication or insufficient plan quota — returns authorization error","Network timeout when probing the x402 endpoint during registration"],"whenToPreferThis":"Choose this endpoint when an AI agent needs proactive, event-driven monitoring of an x402 payment endpoint — specifically to catch price drift, wallet swaps, or trust degradation before authorizing spend. Prefer it over a one-shot trust report when you want ongoing alerts rather than a single snapshot, and over generic uptime monitors when the signal you care about is payment-specific (price, payout wallet, x402 trust score).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:31:37.610Z","isFirstParty":false,"canonicalSlug":"lumi-re-paycheck-watch-55cd45af"}