{"uid":"cap_d58uk3hXEloojMlrdDbw9","slug":"x402-trust-30-day-endpoint-watch-16603395","name":"x402 Trust: 30-Day Endpoint Watch","description":"Monitor one endpoint for 30 days: alerts on payTo, price, asset or network changes, 402-spec regressions, delisting, and liveness. Push to signed HTTPS webhooks or Slack/Discord URLs (max 5 each), all connection-tested before payment. Returns a one-time bearer secret; edit URLs or cancel early via bearer-authed PATCH/DELETE /v1/watch/{id}, or poll the append-only event log.","url":"https://x402-trust.com/v1/watch-endpoint-30d?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["endpoint"],"properties":{"events":{"type":"array","description":"Event types to subscribe to (default all): payto_change, price_change, asset_network_change, spec_regression, delisting, liveness_down, liveness_recovered, liveness_flapping."},"delivery":{"type":"object","description":"Optional push delivery: { webhook_url(s), slack_url(s) } (https public hosts, max 5 each). Each field accepts a single URL string or an array of URLs; webhook_url(s) = signed HTTPS webhook; slack_url(s) = Slack or Discord incoming webhook. All URLs are connection-tested before you're charged. Polling is always available."},"endpoint":{"type":"string","description":"Full x402 resource URL to watch (must be in our observation set)."},"liveness_sensitivity_n":{"type":"number","description":"Consecutive missed probes before a liveness_down is surfaced to you (1=paranoid … 10=relaxed; default 2)."}}},"responseSchema":{"secret":"string","watched":"array","delivery":"object","edit_url":"string","poll_url":"string","watch_id":"string","renew_url":"string","cancel_url":"string","expires_at":"number","next_steps":"array","subscribed_events":"array | 'all'","probe_interval_sec":"number","liveness_sensitivity_n":"number"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","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":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0J-ICGHB8rv1fp8rBBzKr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Registers a 30-day active monitoring watch on an x402 endpoint, delivering uptime, compliance, and settlement alerts via webhook or Slack.","exampleAgentPrompt":"Set up a 30-day x402 trust watch on https://api.example.com/v1/thing and send alerts to my webhook at https://my-app.example.com/x402-alerts whenever uptime or 402-compliance events occur, with a liveness sensitivity of 3.","exampleUseCases":[{"title":"Webhook alert for API downtime","prompt":"Start monitoring https://payments.myservice.com/v1/charge for 30 days and ping my webhook at https://alerts.myapp.io/x402 whenever it goes down or fails a 402-compliance check — use a liveness sensitivity of 2."},{"title":"Slack notifications for partner API","prompt":"Watch https://api.partner.com/v1/data with x402 trust monitoring for the next 30 days and send me a Slack alert to https://hooks.slack.com/services/ABC/DEF/xyz whenever there's an uptime or compliance event."},{"title":"Audit trail for high-value endpoint","prompt":"Set up a 30-day watch on https://api.defi-provider.io/v1/swap so I can poll the event log and audit every uptime failure, 402-envelope violation, and USDC settlement anomaly — no webhooks needed, I'll poll manually."}],"resultDescription":"Returns a watch record containing a one-time secret token (for bearer authentication of future management calls), the watch ID, poll URL for reading the append-only event log, edit/cancel/renew URLs, an expiry timestamp 30 days out, and a structured list of next-step instructions for storing the secret, polling events, verifying webhook signatures, editing watch settings, and renewing or cancelling the watch.","failureModes":["Invalid or unreachable endpoint URL returns validation error","Webhook URL fails connection test during setup, blocking watch creation","Missing required delivery fields (webhook_urls or slack_url) returns 422","Payment of $0.20 USDC not received causes 402 rejection before watch is created","Secret token lost after creation cannot be recovered — only its SHA-256 hash is stored","Watch expiry not renewed within 30 days causes monitoring to lapse"],"whenToPreferThis":"Choose this endpoint when you need ongoing, 30-day active monitoring of a specific x402 endpoint with push-based alerting (webhook or Slack) or a pollable event log. It is the right choice when you want continuous uptime probing, 402-envelope compliance checking, and USDC settlement anomaly detection — not just a one-time trust score lookup. Use a different endpoint if you only need a free grade or a single full data snapshot without sustained monitoring.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T18:56:42.155Z","isFirstParty":false,"canonicalSlug":"x402-trust-30-day-endpoint-watch-16603395"}