{"uid":"cap_fcqpM-35emmnpM7180mhw","slug":"www-qrbase-xyz-a0c8a554","name":"QRBase Ping (0.001 USDC)","description":"Ping - 0.001 USDC on Base","url":"https://www.qrbase.xyz/api/x402/ping","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"object","properties":{"sender":{"type":"string"},"message":{"type":"string"},"success":{"type":"boolean"},"x402Version":{"type":"number"},"paymentTransaction":{"type":"string"}}},"example":{"request":{"method":"POST","network":"base","endpoint":"https://www.qrbase.xyz/api/x402/ping","amount_usdc":"0.001","notification_email":"zero-qa@agentmail.to"},"response":{"data":{"content":"This is the content you paid for!","premium":true},"sender":"0x9CC42f3d9245B867ACccd630B43f906c1665b176","message":"Payment successful! Access granted to resource.","success":true,"x402Version":1,"paymentTransaction":"0x47dd3f5cb97ff4ab69882095ea8bd29d6ef4e6b8383223e69d5544efef6502b8"}},"exampleRequest":{"method":"POST","network":"base","endpoint":"https://www.qrbase.xyz/api/x402/ping","amount_usdc":"0.001","notification_email":"zero-qa@agentmail.to"},"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_XJIqQLNRfxri708ckxt_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":"Sends a low-cost paid ping request to the QRBase API endpoint for $0.001 USDC via the x402 payment protocol on Base","exampleAgentPrompt":"Send a test ping to the QRBase x402 endpoint using a 0.001 USDC micropayment on Base — I want to confirm my x402 payment flow is working end-to-end.","exampleUseCases":[{"title":"Verify x402 micropayment setup works","prompt":"I need to test my x402 payment configuration before running any real transactions. Can you send a test ping to QRBase using the 0.001 USDC endpoint on Base to make sure everything is wired up correctly?"},{"title":"Check Base network USDC connectivity","prompt":"Help me validate that I can process USDC micropayments on the Base network. Send a low-cost ping to the QRBase API with a 0.001 USDC x402 payment so I can confirm the network connection is live."},{"title":"Integration test paid API endpoint","prompt":"I'm integrating a new x402-enabled API into our system. Can you ping the QRBase endpoint with a 0.001 USDC micropayment to verify the paid endpoint is reachable and the payment protocol is working?"}],"resultDescription":"A ping acknowledgment response confirming the endpoint received the request and the 0.001 USDC x402 micropayment was processed successfully on the Base network.","failureModes":["Insufficient USDC balance — payment cannot be processed","Invalid x402 payment header — returns 402 Payment Required","Network unavailable — endpoint unreachable","Base network congestion causing transaction delay","Malformed POST request — returns 400 Bad Request"],"whenToPreferThis":"Use this endpoint when you need to test or validate an x402 micropayment flow at the lowest possible cost (0.001 USDC), rather than the sibling 100 USDC endpoint. Ideal for integration testing, connectivity checks, or confirming x402 protocol functionality without significant cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:31:54.016Z","isFirstParty":false}