Here is an example for a booking call for a van or truck.
curl --request POST \
     --url https://api.cargoboard.com/v1/orders \
     --header 'Content-Type: application/json' \
     --header 'X-API-KEY: YOUR KEY HERE' \
     --data '
{
    "product": "DIRECT",
    "shipper":
    {
        "name": "Mustermann GmbH",
        "address":
        {
            "street": "Ostrstr. 24",
            "countryCode": "DE",
            "postCode": "58553",
            "city": "Halver"
        },
        "pickupOn": "2022-02-02",
        "wantsTailLiftTruck": false
    },
    "consignee":
    {
        "name": "Fabian Müller",
        "address":
        {
            "street": "Hofstetterstr.4 ",
            "countryCode": "DE",
            "postCode": "85137",
            "city": "Walting"
        },
        "wantsTailLiftTruck": false
    },
    "lines":
    [
        {
            "unitQuantity": 1,
            "unitPackageType": "DIRECT_TRUCK_7_5",
            "unitLength": 610,
            "unitWidth": 240,
            "unitHeight": 240,
            "unitWeight": 2500,
            "content": "",
            "isStackable": false
        }
    ]
}
'