curl --request POST \
  --url https://api.example.com/api/projects/{projectId}/decisions/simulate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "published": true,
  "releaseId": "<string>",
  "context": {
    "cart": {
      "total": 1500
    },
    "customer": {
      "country": "US",
      "tier": "gold"
    }
  },
  "graph": {
    "edges": [
      {
        "id": "1dfbc57d-ad1f-4cf8-978a-e43241856fc8",
        "type": "edge",
        "sourceId": "be0a5c2d-538d-4e50-9843-91b274e1b9d8",
        "targetId": "7c07550a-07bc-4ee4-80d6-9ad900e3d6c9"
      },
      {
        "id": "5e2dc187-3b82-4f21-94f5-9c3fd16e12d4",
        "type": "edge",
        "sourceId": "7c07550a-07bc-4ee4-80d6-9ad900e3d6c9",
        "targetId": "72d52cfc-e866-4c11-bf79-6be9f750e4d7"
      }
    ],
    "nodes": [
      {
        "id": "be0a5c2d-538d-4e50-9843-91b274e1b9d8",
        "name": "Request",
        "type": "inputNode",
        "position": {
          "x": 180,
          "y": 280
        }
      },
      {
        "id": "7c07550a-07bc-4ee4-80d6-9ad900e3d6c9",
        "name": "Fees",
        "type": "decisionTableNode",
        "content": {
          "rules": [
            {
              "_id": "vCqrZGdWjA",
              "DA3Ybo-shA": "\"US\"",
              "FD4qBBPv2G": "> 1000",
              "JuUcECFGe1": "2",
              "jrsT5Wg9F8": "\"gold\"",
              "qA7iYc3Wle": ""
            },
            {
              "_id": "CpXx-s78FH",
              "DA3Ybo-shA": "\"US\"",
              "FD4qBBPv2G": "> 1000",
              "JuUcECFGe1": "3",
              "jrsT5Wg9F8": "",
              "qA7iYc3Wle": ""
            },
            {
              "_id": "zH-PuRB2aQ",
              "DA3Ybo-shA": "\"US\"",
              "FD4qBBPv2G": "",
              "JuUcECFGe1": "",
              "jrsT5Wg9F8": "",
              "qA7iYc3Wle": "25"
            },
            {
              "_id": "HjEp-eQhAP",
              "DA3Ybo-shA": "\"CA\",\"MX\"",
              "FD4qBBPv2G": "> 1000",
              "JuUcECFGe1": "5",
              "jrsT5Wg9F8": "",
              "qA7iYc3Wle": ""
            },
            {
              "_id": "nq40hJ1nXy",
              "DA3Ybo-shA": "\"CA\",\"MX\"",
              "FD4qBBPv2G": "",
              "JuUcECFGe1": "",
              "jrsT5Wg9F8": "",
              "qA7iYc3Wle": "50"
            },
            {
              "_id": "G64ltgrVgV",
              "DA3Ybo-shA": "\"IE\",\"UK\",\"FR\",\"DE\"",
              "FD4qBBPv2G": "> 1000",
              "JuUcECFGe1": "10",
              "jrsT5Wg9F8": "",
              "qA7iYc3Wle": ""
            },
            {
              "_id": "PD3oYgtiDa",
              "DA3Ybo-shA": "\"IE\",\"UK\",\"FR\",\"DE\"",
              "FD4qBBPv2G": "",
              "JuUcECFGe1": "",
              "jrsT5Wg9F8": "",
              "qA7iYc3Wle": "100"
            },
            {
              "_id": "1BY7iMFoDw",
              "DA3Ybo-shA": "",
              "FD4qBBPv2G": "> 1000",
              "JuUcECFGe1": "15",
              "jrsT5Wg9F8": "",
              "qA7iYc3Wle": ""
            },
            {
              "_id": "dlwJlbW7ZH",
              "DA3Ybo-shA": "",
              "FD4qBBPv2G": "",
              "JuUcECFGe1": "",
              "jrsT5Wg9F8": "",
              "qA7iYc3Wle": "150"
            }
          ],
          "inputs": [
            {
              "id": "FD4qBBPv2G",
              "name": "Cart Total",
              "type": "expression",
              "field": "cart.total"
            },
            {
              "id": "DA3Ybo-shA",
              "name": "Customer Country",
              "type": "expression",
              "field": "customer.country"
            },
            {
              "id": "jrsT5Wg9F8",
              "name": "Customer Tier",
              "type": "expression",
              "field": "customer.tier"
            }
          ],
          "outputs": [
            {
              "id": "qA7iYc3Wle",
              "name": "Fees Flat ($)",
              "type": "expression",
              "field": "fees.flat"
            },
            {
              "id": "JuUcECFGe1",
              "name": "Fees Percent",
              "type": "expression",
              "field": "fees.percent"
            }
          ],
          "hitPolicy": "first"
        },
        "position": {
          "x": 420,
          "y": 280
        }
      },
      {
        "id": "72d52cfc-e866-4c11-bf79-6be9f750e4d7",
        "name": "Response",
        "type": "outputNode",
        "position": {
          "x": 670,
          "y": 280
        }
      }
    ]
  }
}
'

{
  "result": "<unknown>",
  "performance": "<string>",
  "trace": {}
}