{"v":1,"seller":"https://x402.agentindex.world","route":"/summarize","refused_at":"2026-09-18T11:00:00+00:00","code":"upstream_unavailable","summary":"Upstream reader timed out after payment was accepted.","detail":"The paid summarize call could not fetch the target URL within 30s. No tool_result digest is emitted; buyer should keep this refusal.","payment":{"network":"base","token":"USDC","amount_usdc":0.05,"from":"0x1111111111111111111111111111111111111111","to":"0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d","tx_ref":"sample-not-on-chain"},"remedy":{"type":"retry","hint":"Retry with a reachable URL or use /web-read first.","retry_after_seconds":60},"sample":true}