{"slug":"tienda-textokit-store-api-x402-ping-136aec","title":"Smallest end-to-end test of an x402 client on Base","host":"tienda.textokit.store","method":"POST","resource":"https://tienda.textokit.store/api/x402-ping","category":"commerce","description":"Smallest end-to-end test of an x402 client on Base: one call with no required parameters returns server time (ISO 8601 and Unix ms), a request id, the seller payTo, chain id and an echo of your optional text, only after a real settlement. Use this when an agent needs to prove its payment flow works,","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":1203,"reported_calls_30d":5,"reported_payers_30d":3,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"echo":"hello"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"body":{"additionalProperties":false,"properties":{"echo":{"description":"Optional text echoed back (up to 200 characters).","maxLength":200,"type":"string"}},"type":"object"},"bodyType":{"const":"json","type":"string"},"method":{"const":"POST","type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","body"],"type":"object"},"output":{"properties":{"echo":{"type":"string"},"ok":{"type":"boolean"},"payer":{"type":"string"},"policy":{"type":"string"},"requestId":{"type":"string"},"seller":{"type":"object"},"serverTime":{"type":"string"},"unixMs":{"type":"number"}},"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-20","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":1203,"error":null}],"description_full":"Smallest end-to-end test of an x402 client on Base: one call with no required parameters returns server time (ISO 8601 and Unix ms), a request id, the seller payTo, chain id and an echo of your optional text, only after a real settlement. Use this when an agent needs to prove its payment flow works, measure round-trip latency or run a cheap scheduled canary against a live seller. No upstream, no model inference; paid round trip 1 to 2 s (settlement first). Free sample at /api/x402-ping/sample.","last_updated":"2026-10-20T11:07:48.288Z","schemes":["exact"]}