{"uid":"cap_seTt8mdJndW_SLJfx0Xd6","slug":"x402-ping-1158aa22","name":"x402 Ping","description":"The cheapest possible end-to-end x402 purchase: always returns 200 with a timestamp (and echoes an optional message). Use it to verify your x402 client, the payment path and our settlement in one sub-cent call before wiring up a real endpoint — the pattern crawlers and monitors hit most across the network.","url":"https://402.com.tr/api/x402/ping?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","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":[],"properties":{"echo":{"type":"string","description":"Optional message to echo back"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_kKqet-O8_9H2N75S_qrep","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a timestamped 200 response (with optional echo) to verify end-to-end x402 payment flow in a sub-cent test call","exampleAgentPrompt":"Send a quick ping through x402 to confirm my payment client and USDC settlement path are working — echo back the message 'hello402' so I can verify the response round-trip.","exampleUseCases":[{"title":"Pre-launch x402 integration check","prompt":"Before I hook up my real endpoint, run a cheap x402 ping to confirm my client is configured correctly and the USDC payment actually settles — echo back 'integration-test' so I can see the full round-trip."},{"title":"Automated x402 health monitor","prompt":"Set up a recurring ping to the x402 endpoint every 5 minutes so I know immediately if my payment path goes down — just a sub-cent call that confirms the settlement is still live."},{"title":"First-time x402 wallet validation","prompt":"I just set up my x402 wallet — can you do a test ping call to confirm the payment goes through and the timestamp comes back? Use 'wallet-check' as the echo message."}],"resultDescription":"A JSON response with HTTP 200 status containing the current server timestamp and, if the optional 'echo' query parameter was provided, the echoed message. Confirms that the x402 payment was accepted, routed, and settled successfully.","failureModes":["402 Payment Required if no valid x402 payment header is provided","Payment rejected if USDC balance is insufficient","Network timeout if Base chain is congested during settlement","Malformed payment header results in 400 or 402 error","Rate limiting if called too frequently from the same wallet"],"whenToPreferThis":"Use this endpoint as the very first call when setting up or debugging any x402 client integration — it is the cheapest possible ($0.002 USDC) end-to-end payment test available on the network. Prefer it over testing with a real data endpoint to avoid wasting money on failed integration attempts. Also ideal for uptime monitoring of the x402 payment path itself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-01T12:34:46.685Z","isFirstParty":false,"canonicalSlug":"x402-ping-1158aa22"}