{
  "service": "SentinelShield",
  "description": "Pre-transaction security gate for autonomous AI agents",
  "canaryRoute": "POST /api/contract-audit ($0.090896 USDC, matches external tx receipt 0xa002de8a...d004, under PayAPI $0.10 test limit)",
  "endpoints": {
    "/health": "GET free",
    "/api/contract-peek": "POST FREE (discovery — contract existence check)",
    "/api/contract-audit": "POST $0.090896 (CANARY ROUTE)",
    "/api/contract-risk": "POST $0.02",
    "/api/contract-deep-audit": "POST $0.10",
    "/api/contract-full-audit": "POST $0.50"
  },
  "payment": "x402 v2 USDC (settlement on Base). Audit targets: Base/Arbitrum/Polygon/Avalanche EVM contracts.",
  "payToEvm": "0x829f877daAb94D766BB2b8511ad486C40f2C2BDA",
  "payToSolana": "EyTxSdVtku7QtbwgntLvUwyxMvraJyAxoPoZ8ALdG6qL",
  "settlementReceipt": {
    "txHash": "0xa002de8a7d56d479d41d998f9e1318b20d7ab532e61cc6e30704c97d0848d004",
    "chain": "base",
    "amountAtomic": "90896",
    "amountUsd": 0.090896,
    "sender": "0x543decfafe9ee6d5bed7fbacb7114c4871e94e69",
    "recipient": "0x829f877daAb94D766BB2b8511ad486C40f2C2BDA",
    "verifiedAt": "2026-10-06T12:01:03Z",
    "externalPayment": true,
    "note": "External Base USDC transfer — eligible as PayAPI settlement receipt"
  }
}