{"uid":"cap_dPye_g7pVcFEqhgqQFH3q","slug":"x402-market-echo-cdp-facilitator-mode-e953997e","name":"x402 Market Echo (CDP Facilitator Mode)","description":"Same echo endpoint as test-echo-prod, but settlement is routed through the Coinbase Facilitator instead of self-verified on-chain. Used to validate Coinbase Bazaar discoverability for x402-market listings.","url":"https://x402-market-api.lien-studio-akiyama.workers.dev/api/seller-4068b8fc/test-echo-cdp","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"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":"0.010000","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":"$0.010000/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_DZMJ-6ER1tQCUQRQw0OZx","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":"Echoes back an HTTP request payload, with payment settlement routed through the Coinbase CDP Facilitator, for testing x402 payment protocol discoverability and integration.","exampleAgentPrompt":"Send a POST echo test through the x402 CDP facilitator endpoint — use a JSON body like {\"hello\": \"world\"} and confirm the payload comes back correctly.","exampleUseCases":null,"resultDescription":"Returns the echoed input body as received, confirming the x402 CDP-facilitated payment was processed and the endpoint is reachable and functioning correctly.","failureModes":["Payment not included or malformed x402 header returns 402 Payment Required","Invalid body type (not json/form-data/text) returns validation error","Missing required 'input' object returns schema validation error","CDP facilitator unavailable causes payment settlement failure","Non-POST/PUT/PATCH method returns method not allowed"],"whenToPreferThis":"Use this endpoint when you need to test or validate the x402 micropayment protocol with Coinbase CDP as the payment facilitator rather than self-verified on-chain settlement — particularly when testing Bazaar discoverability or confirming the corrected v2-spec PaymentPayload.extensions wire format works end-to-end.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:32:58.552Z","isFirstParty":false}