curl --request GET \
  --url https://vehicle.api.smartcar.com/v3/connections/{connectionId} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "32c4139a-e4aa-4c6c-b357-3ae9022dbf1b",
    "type": "connection",
    "attributes": {
      "permissions": [
        "read_vehicle_info",
        "read_odometer"
      ],
      "vehicle": {
        "make": "Tesla",
        "model": "Model S",
        "year": 2020,
        "mode": "live",
        "powertrainType": "BEV"
      }
    },
    "relationships": {
      "vehicle": {
        "data": {
          "id": "a6a425d6-c661-4b21-af7a-d6b75f80f3b0",
          "type": "vehicle"
        },
        "links": {
          "related": "https://api.example.com/vehicles/a6a425d6-c661-4b21-af7a-d6b75f80f3b0"
        }
      },
      "user": {
        "data": {
          "id": "1e258add-fb21-4293-b9ab-cf8a61f7a880",
          "type": "user"
        }
      }
    },
    "meta": {
      "createdAt": "2024-01-01T00:00:00Z",
      "updatedAt": "2024-01-02T00:00:00Z"
    },
    "links": {
      "self": "https://api.example.com/connections/32c4139a-e4aa-4c6c-b357-3ae9022dbf1b"
    }
  }
}