curl --request POST \
     --url '{{BASE_URL}}/v3/order/413d7205-f8a9-42ed-aa4a-edb99e481ca0/phlebotomy/appointment/book' \
     --header 'accept: application/json' \
     --header 'x-vital-api-key: {YOUR_KEY}' \
     --data '
{
    "booking_key": "foo123"
}
'

{
    "id": "413d7205-f8a9-42ed-aa4a-edb99e481ca0",
    "user_id": "202b2c2f-fb4c-44dc-a4f8-621186fde227",
    "address": {
        "first_line": "West Lincoln Street",
        "second_line": "",
        "city": "Phoenix",
        "state": "AZ",
        "zip_code": "85004",
        "unit": "14"
    },
    "location": {
        "lng": -112.0772235,
        "lat": 33.4421912
    },
    "start_at": "2023-05-15T16:00:00+00:00",
    "end_at": "2023-05-15T18:00:00+00:00",
    "iana_timezone": "America/Phoenix",
    "type": "phlebotomy",
    "provider": "getlabs",
    "status": "pending",
    "provider_id": "e89eb489-7382-4966-bb14-7ab4763eba6c",
    "can_reschedule":true
}