{"uid":"cap_5Fm7ePz5Da7OGAZXSPpRW","slug":"problocks-usdc-payment-connectivity-ping-a6af8245","name":"Problocks USDC Payment Connectivity Ping","description":"Verify payment connectivity with USDC on Base. Returns a JSON pong and UTC timestamp after settlement.","url":"https://x402.problocks.io/paid/ping","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"message":"pong","servedAtUtc":"2026-01-01T00:00:00Z"}},"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_4tN2RAOFN6pRtS5FtqQvH","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 that USDC-on-Base payment connectivity is working by returning a JSON pong and UTC timestamp after successful micropayment settlement.","exampleAgentPrompt":"Can you ping the Problocks paid endpoint to confirm my USDC-on-Base payment connectivity is working and show me the UTC timestamp of the successful settlement?","exampleUseCases":[{"title":"Pre-workflow payment rail check","prompt":"Before I kick off my automated agent pipeline, ping the Problocks paid endpoint and confirm that USDC micropayments on Base are settling — show me the pong and the timestamp."},{"title":"Diagnosing a broken x402 integration","prompt":"My x402 payment integration might be broken — can you hit the Problocks ping endpoint with a USDC payment and tell me whether it comes back with a pong and a valid UTC timestamp?"},{"title":"Smoke-testing a new Base wallet","prompt":"I just set up a new wallet on Base with USDC — can you do a quick paid ping to Problocks to confirm the wallet can actually send payments and receive a response?"}],"resultDescription":"Returns a JSON object with two fields: 'message' set to the string 'pong', and 'servedAtUtc' containing an ISO 8601 UTC datetime string indicating when the request was served after payment settlement.","failureModes":["Payment not settled — USDC balance insufficient or Base network congestion causes 402 Payment Required with no pong returned","Invalid or missing x402 payment header — request rejected before reaching the ping logic","Network timeout — Base RPC or Problocks infrastructure temporarily unavailable","Malformed response — edge case where settlement completes but response schema deviates from expected pong structure"],"whenToPreferThis":"Choose this endpoint when you need to verify end-to-end that your x402 USDC-on-Base payment stack is functional — specifically for smoke-testing micropayment rails, validating wallet configuration, or confirming that paid API connectivity is live before running more expensive agent workflows. It is not a substitute for general HTTP health checks; its value lies in the fact that it requires a real USDC micropayment to succeed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:34:05.716Z","isFirstParty":false}