{ "x-provenance": { "generated": "2026-09-19", "method": "probed", "note": "Real unauthenticated request issued 2026-09-19; response body saved as returned (search hits truncated).", "operationId": "getPaidSponsorBuyerBrief", "openapi": "openapi/kannkidas-de-openapi.yml" }, "request": { "method": "GET", "url": "https://kannkidas.de/api/v1" }, "response": { "status": 402, "headers": { "content-type": "application/json; charset=utf-8", "apigw-requestid": "D-OdCj_SliAEPyQ=", "cache-control": "no-store", "payment-required": "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", "vary": "PAYMENT-SIGNATURE", "strict-transport-security": "max-age=63072000; includeSubDomains; preload" }, "body": { "message": "x402 payment required.", "protocol": "x402", "environment": "Base Sepolia testnet", "sponsorship_checkout": "https://kannkidas.de/api/agent/purchases" } } }