{"uid":"cap_UI5hWDFYtRyIIM6fIW-QB","slug":"x402-market-api-test-echo-cdp-high-price-61b0cb9c","name":"x402-market-api Test Echo CDP High Price","description":"Identical to test-echo-cdp-fresh except priced at 0.10 USDC (= 100000 atomic units) instead of 0.01. Used to test the hypothesis that Coinbase Bazaar has an undocumented price floor above $0.01.","url":"https://x402-market-api.lien-studio-akiyama.workers.dev/api/seller-4068b8fc/test-echo-cdp-high","method":"POST","headers":{},"bodySchema":{"type":"object","$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":"0.100000","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":"$0.100000/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_JD1NXr_aSLcDJ6Xa8cg8j","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Echoes an HTTP POST/PUT/PATCH request body back to the caller, priced at 0.10 USDC, used to test x402 payment protocol behavior at higher price points","exampleAgentPrompt":"Send a POST request with a JSON body like {\"hello\": \"world\"} to the x402 echo endpoint priced at 0.10 USDC and show me what gets echoed back.","exampleUseCases":[{"title":"Validate x402 payment at $0.10","prompt":"Send a test JSON payload to the 0.10 USDC echo endpoint and confirm the x402 payment goes through and the body comes back intact — I want to verify the full payment flow works at this price point."},{"title":"Compare price tier payment flows","prompt":"Run a POST request with a simple JSON body through the 0.10 USDC echo endpoint so I can compare how the x402 payment flow behaves differently from the cheaper 0.01 USDC variant."},{"title":"Test Coinbase Bazaar price floor","prompt":"Hit the 0.10 USDC echo endpoint with a test payload and show me the response — I'm trying to figure out if Coinbase Bazaar has an undocumented price floor above $0.01 and need a successful settlement at ten cents to confirm it."}],"resultDescription":"The endpoint returns an echo of the submitted request body, confirming that the x402 payment at 0.10 USDC was processed and the payload was received intact.","failureModes":["Payment not included or insufficient — x402 402 Payment Required response","Body missing required 'input' field — validation error","Invalid method specified (must be POST, PUT, or PATCH) — schema rejection","bodyType not one of json/form-data/text — schema validation failure","Cloudflare Worker unavailable — 5xx error"],"whenToPreferThis":"Use this endpoint specifically when testing x402 payment protocol behavior at the 0.10 USDC price point, particularly to validate Coinbase Bazaar price floor hypotheses or to compare payment flow behavior against the lower-priced 0.01 USDC echo variant. Not suitable for production use cases — purely a test/diagnostic endpoint.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:34:49.678Z","isFirstParty":false}