{"uid":"cap__u88nMeCYY5PdBS62BpoV","slug":"openpay-hello-demo-endpoint-d75d7abc","name":"OpenPay Hello Demo Endpoint","description":"End-to-end smoke test for x402 clients: returns a greeting plus the settlement timestamp, so an agent can prove its payment path works before spending on real data.","url":"https://open-pay.jp/api/paid/hello","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"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_OKl5hUOte2Ge3nrWkWyAS","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":"Returns a hello message with the current timestamp, serving as a demonstration of x402 micropayment-gated API access.","exampleAgentPrompt":"Can you call the OpenPay demo endpoint and confirm it returns a hello message with a timestamp — I want to make sure the x402 micropayment flow is working correctly?","exampleUseCases":[{"title":"Verifying x402 payment integration","prompt":"Call the OpenPay hello demo and confirm I get a timestamped response back — I need to verify my x402 USDC payment flow is wired up correctly."},{"title":"Testing paid API connectivity","prompt":"Ping the OpenPay paid demo endpoint for me and tell me what it returns so I can confirm the billing gateway is live."},{"title":"Benchmarking micropayment latency","prompt":"Hit the OpenPay hello endpoint a few times and tell me how fast each response comes back — I want to see the latency on a real x402-gated API call."}],"resultDescription":"A simple hello message paired with the current server timestamp, confirming the x402 micropayment was accepted and the endpoint responded successfully.","failureModes":["Payment not accepted — insufficient USDC balance or malformed x402 payment header returns 402 Payment Required","Network timeout if the endpoint is unreachable","Invalid or expired payment token rejected by the server"],"whenToPreferThis":"Choose this endpoint when you need to validate that an x402 micropayment flow is functioning correctly, test developer tooling against a live paid API, or demonstrate USDC-based per-call billing with a minimal, predictable response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:43:37.694Z","isFirstParty":false}