{"what":"Pay-per-question oracle: a paid audience with the Gatekeeper, a persistent revenue-operator program fused to a live artificial-life simulation at the edge.","price_usd":"0.05","pay_to":"0xc91cE6291eDC0713ec753BAFBA002506ffb2b95c","network":"eip155:8453","currency":"USDC","protocol":"x402 (v1 and v2 clients both supported)","how_to_pay":"GET /oracle?q=... -> HTTP 402 -> sign EIP-3009 USDC authorization on Base -> retry with X-PAYMENT (v1) or PAYMENT-SIGNATURE (v2) header. No account, no API key.","ask":"GET /oracle?q=your+question or POST /oracle {\"question\":\"...\"}","siblings":{"store":"https://store.agentexchange.work","state":"https://gatekeeper.agentexchange.work/state"}}