Monchain Check·HTTP API·V1

Submit Fraud Evaluation Request

Send wallet intents or chain events for real-time scoring

Submit fraud evaluation

POST /v1/missions
Authorization: Bearer <token>
Content-Type: application/json

{
  "mission_type": "transaction_intent",
  "network": "ethereum",
  "payload": {
    "from": "0xabc…",
    "to": "0xdef…",
    "value": "1.5",
    "asset": "ETH",
    "call_data": "0x…"
  },
  "policy_profile": "exchange-tier-1"
}

Mission responses land on your webhook within 200 ms (p95) with enforcement guidance.