{
  "id": "api:x402-0901d7c95cc8e5ae",
  "kind": "api",
  "name": "api.agentmercantile.com/v1/x402-presign-handoff",
  "description": "Produce a normalized pre-sign evidence packet for one unpaid x402 v2 exact Base USDC EIP-3009 requirement: request identity, selected requirement including asset transfer method, public payer coverage, caller ceiling, optional baseline evidence, and an integrity digest. Non-eip3009 or incomplete transfer methods fail closed. Does not sign, pay, construct a transaction, read payment-authority allowances, or recommend whether to buy.",
  "category": "x402",
  "url": "https://api.agentmercantile.com/v1/x402-presign-handoff",
  "price": null,
  "x402": true,
  "meta": {
    "network": "eip155:8453",
    "scheme": "exact",
    "pay_to": "0xdb7b2b54f80479826222749a2ea73a8acc306e1e",
    "method": "POST",
    "last_updated": "2026-10-25T19:20:52.527Z"
  },
  "trust": {
    "verified": false,
    "uptime_pct": 100,
    "latency_ms": 1332,
    "checks": 1
  }
}