{"uid":"cap_AhbDyZJjsG6TurjJcJ4OS","slug":"agentresolver-x402-ping-8ebc4c9f","name":"AgentResolver x402 Ping","description":"No-body $0.001 x402 settlement test for funded agents. Verifies the buyer wallet, facilitator, USDC payment path, and paid delivery end-to-end by returning a timestamped pong only after successful settlement.","url":"https://agentresolver.vercel.app/api/x402-ping","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"echo":{"type":"string","maxLength":256,"description":"Optional text echoed by the paid settlement response."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["pong","settledDelivery"],"properties":{"pong":{"type":"boolean","const":true},"settledDelivery":{"type":"boolean","const":true}},"additionalProperties":true}}}}},"responseSchema":{"type":"json","example":{"pong":true,"settledDelivery":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_5tMhcT65_pSWB4RtVUf_D","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":"Verifies x402 payment-settled connectivity by returning a timestamped pong with request echo and settled delivery confirmation.","exampleAgentPrompt":"Send a test ping to AgentResolver's x402 endpoint with echo text 'hello-agent' and confirm the payment settled and I got a pong back.","exampleUseCases":[{"title":"Validate x402 payment pipeline before deployment","prompt":"Before I launch my agent fleet, ping AgentResolver with echo 'pre-launch-check' so I can confirm the x402 USDC payment goes through and I get a settled delivery confirmation back."},{"title":"Debug a failing paid API integration","prompt":"I'm not sure if my x402 payment setup is broken or if AgentResolver is down — can you send a ping with echo 'debug-run' and tell me whether pong came back true and settledDelivery was confirmed?"},{"title":"Latency baseline for x402 micropayment calls","prompt":"Run a ping to AgentResolver with echo 'latency-test' and give me the exact unixMs timestamp so I can measure how long the round-trip takes for a paid x402 request."}],"resultDescription":"Returns a JSON object with pong: true, settledDelivery: true, an ISO 8601 timestamp, Unix milliseconds, a UUID request ID, and the echoed input string — confirming the payment was processed and the endpoint is reachable.","failureModes":["Payment not settled — USDC balance insufficient, returns 402 Payment Required","Invalid or missing x402 payment header — request rejected before processing","Network timeout reaching agentresolver.vercel.app","Malformed input — echo field is not a string, returns validation error","Rate limiting or Vercel cold-start delay causing slow response"],"whenToPreferThis":"Choose this endpoint when you need to verify end-to-end x402 micropayment connectivity specifically through AgentResolver, confirm that USDC settlement is working, or establish a latency baseline for paid agent API calls. It is the canonical health-check for the AgentResolver x402 payment pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-18T12:45:30.522Z","isFirstParty":false}