curl --request POST \
  --url https://api.truecold.io/v1/shipments \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "id": "2381029e-7566-4ba4-b842-1c03dd13010a",
  "code": "152670"
}'

{
  "error": false,
  "data": {
    "id": "<string>",
    "code": "<string>",
    "account_id": "<string>",
    "created_at": "<string>"
  }
}