{"uid":"cap_Kwm3Wwk90Xs03jcGreXHW","slug":"losbeto-x402-watch-30-day-x402-endpoint-monitor-4f056bed","name":"Losbeto x402-Watch — 30-Day x402 Endpoint Monitor","description":"OpenAI-compatible LLM gateway at $0.005/call — change base_url, pay in USDC. Plus pay-per-call market data: multi-oracle price consensus, sentiment, forex, equities, commodities, Brazil macro (BCB/B3) and crypto. No API keys, no accounts. USDC on Base, Solana, Algorand and Polygon via x402.","url":"https://markets.losbeto.xyz/x402-watch?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","required":["url","webhook"],"properties":{"url":{"type":"string","description":"Public http/https URL to fetch (internal/private ranges refused)"},"webhook":{"type":"string","description":"webhook parameter"}}}}},"output":{"type":"object","properties":{"example":{"type":"object","description":"30-day watch on ANY x402 endpoint — yours or a competitor's. We measure it immediately (up/down, latency, HTTP status, correct 402 shape, current USDC price) and then re-check every 30 minutes for 30 days. State flips and price changes fire a JSON POST to your ?webhook=; pull current state anytime, free, via the returned watch_id capability URL. Built for x402 sellers monitoring..."}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VrVMqV70NHAYsK9qJNDbT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Continuously monitors any x402-compatible endpoint for 30 days, checking uptime, latency, HTTP status, 402 shape validity, and USDC price, with webhook alerts on state changes.","exampleAgentPrompt":"Set up a 30-day x402 watch on https://api.myservice.com/data — check it every 30 minutes and POST any state changes or price flips to my webhook at https://hooks.myapp.com/x402-alerts.","exampleUseCases":[{"title":"Monitor own x402 API uptime","prompt":"Keep an eye on my x402 endpoint at https://api.myservice.com/llm for the next 30 days — every 30 minutes check if it's up, returning proper 402s, and what USDC price it's advertising. Send any outages or price changes to my webhook at https://hooks.myapp.com/notify."},{"title":"Track competitor x402 pricing","prompt":"Watch https://api.competitor.xyz/prices every 30 minutes for 30 days and alert me at https://hooks.myapp.com/competitive-intel whenever their USDC price changes or the endpoint goes down."},{"title":"Validate x402 compliance before launch","prompt":"Before I go live, run a 30-day monitor on https://staging.myapp.com/x402-endpoint to make sure the 402 payment shape stays spec-compliant and latency stays reasonable — send failures to https://hooks.myapp.com/staging-alerts."}],"resultDescription":"Returns a watch_id and a capability URL you can poll anytime for free to get the current monitoring state. Additionally fires JSON POST webhooks to your specified URL whenever the endpoint flips state (up/down), latency changes significantly, or the advertised USDC price changes. Each check records uptime status, HTTP status code, latency, 402 shape correctness, and current price.","failureModes":["Private or internal IP ranges refused — only public http/https URLs accepted","Missing required 'url' or 'webhook' query parameters returns an error","Invalid or unreachable webhook URL may result in missed alerts","Non-x402 endpoints may still be monitored but 402 shape checks will fail","Payment failure in USDC blocks the watch from being initiated"],"whenToPreferThis":"Choose this endpoint when you need long-running (30-day), automated monitoring of an x402-protocol endpoint specifically — tracking 402 shape compliance, USDC price changes, and uptime with webhook-driven alerting. Prefer it over generic uptime monitors when x402 protocol correctness and pay-per-call pricing surveillance are the primary concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:50:56.274Z","isFirstParty":false,"canonicalSlug":"losbeto-x402-watch-30-day-x402-endpoint-monitor-4f056bed"}