{"generatedAt":"2026-05-07T03:54:44.760Z","access":"free_test_fixture","fixture":"echo","purpose":"Deterministic request echo fixture for testing API clients before x402 payment.","request":{"method":"GET","path":"/x402/test/echo.json","query":{}},"surveyPrompt":"Tell us what you want Satoshi API to build or expose next by passing intent, client_type, use_case, and offer_id query parameters.","surveySignal":{"intent":null,"clientType":null,"useCase":null,"offerId":null},"responseShape":{"deterministic":true,"paymentRequired":false,"echoesSecrets":false},"tryNext":{"headersFixtureUrl":"https://x402.bitcoinsapi.com/x402/test/headers.json","receiptFixtureUrl":"https://x402.bitcoinsapi.com/x402/test/receipt.json","paidChallengeUrl":"https://x402.bitcoinsapi.com/weather"},"safetyNotes":["No private keys, seed phrases, wallet secrets, signed payment payloads, raw IPs, or raw user agents are requested or echoed.","Header fixtures report only safe names and booleans, not raw header values.","Receipt fixtures are parser samples; real settlement still happens on paid x402 routes."]}