curl --location 'https://api.polestar-production.com/purpletrac/v1/containers?username=undefined&api_key=%3Capi-key%3E' \
--header 'Content-Type: application/json' \
--data '{
"container_number": "MRKU1234567",
"scac": "MAEU",
"container_reference": "User defined reference field"
}'{
"container_screen_id": "e32a3293-b081-4bb6-bd36-436ca204165",
"scac": "CMDU",
"container_number": "TGBU6795701",
"container_reference": "User defined reference field",
"creation_date": "2023-07-19T11:06:51.482652516Z"
}