{"uid":"cap_59Jw0dKqM9GuxgYxtadG7","slug":"x402-heartbeat-ping-aef9cf93","name":"x402 Heartbeat (Ping)","description":"19 monetized x402 APIs for AI agents — crypto, DeFi, on-chain data, prediction markets, weather, and web search. No API keys, no signup — pay per call in USDC.","url":"https://x402tap.com/api/ping","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ts":1700000000000,"pong":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aSy8ER9ENZlvLf9BKzUSC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a simple timestamped pong response to confirm the x402tap API gateway is alive, billed via a micro-payment channel.","exampleAgentPrompt":"Can you ping x402tap to check if the API is up and responding right now?","exampleUseCases":[{"title":"Pre-flight API availability check","prompt":"Before I start making a bunch of calls to x402tap, can you quickly ping it to make sure the service is up and responding?"},{"title":"x402 payment channel connectivity test","prompt":"I just set up my x402 payment channel — can you send a test ping to x402tap to confirm everything is connected and billing is working?"},{"title":"Automated uptime monitoring","prompt":"Every 5 minutes, ping x402tap and let me know if it stops responding or the pong comes back false."}],"resultDescription":"A JSON object containing a Unix millisecond timestamp (ts) and a boolean pong field set to true, confirming the service is live and reachable.","failureModes":["Service unavailable returns non-200 status or no response body","Payment channel exhausted or unpaid results in 402 Payment Required","Network timeout if x402tap infrastructure is down","Malformed response if upstream gateway is degraded"],"whenToPreferThis":"Use this endpoint when you need a lightweight, near-zero-cost signal that the x402tap API gateway is reachable and your x402 micro-payment channel is functional before invoking more expensive sibling endpoints like web search or text generation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:38:42.396Z","isFirstParty":false}