{"uid":"cap_QiY0JyfBF57NoGYdv4QQi","slug":"paywallwatch-ping-c5d15940","name":"PaywallWatch Ping","description":"Use when testing an x402 client end to end. Returns ok and the server time; costs one cent.","url":"https://api.paywallwatch.com/v1/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"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IBfy0xrY4y8Q3PI0Q5dEr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns an OK status and server timestamp as a paid x402 end-to-end connectivity test costing one cent.","exampleAgentPrompt":"Can you send a live x402 ping to PaywallWatch to confirm my payment client is working end-to-end? It costs one cent and should come back with an OK and the server time.","exampleUseCases":[{"title":"End-to-end x402 client validation","prompt":"Run a live paid ping against PaywallWatch to make sure my x402 client can successfully complete a real payment and get back an OK response — I want to confirm the whole flow works before I ship."},{"title":"Smoke test before production deployment","prompt":"Before I push this x402 integration to production, can you fire off a one-cent ping to PaywallWatch and tell me if we get an OK and a valid server timestamp back?"},{"title":"Debugging a failing micropayment client","prompt":"My x402 payment client seems broken — can you make a test call to the PaywallWatch ping endpoint for one cent and show me exactly what response comes back so I can figure out what's going wrong?"}],"resultDescription":"Returns an HTTP 200 response with a JSON body containing an 'ok' status indicator and the current server time, confirming the paid x402 request completed successfully.","failureModes":["Payment failure if x402 client is misconfigured or lacks sufficient USDC balance","HTTP 402 returned if payment headers are missing or malformed","Network timeout if the endpoint is temporarily unreachable","Invalid or missing x402 payment token causes rejection without processing"],"whenToPreferThis":"Choose this endpoint when you need a real, cheap, live end-to-end test of an x402 HTTP payment client implementation. It is ideal as a smoke test or integration check before calling more expensive paid APIs, or when debugging why an x402 client is failing to complete payments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T18:31:28.149Z","isFirstParty":false,"canonicalSlug":"paywallwatch-ping-c5d15940"}