curl --request GET \
  --url https://{host}/api/v3/departments \
  --header 'Authorization: <authorization>'

{
  "data": {
    "items": [
      {
        "name": "<string>",
        "code": "<string>",
        "id": 123,
        "hierarchy": "<string>",
        "parentId": "<string>",
        "isActive": true,
        "position": 55000000000000000000,
        "level": 123,
        "sortOrder": 2,
        "headID": 123,
        "head": {
          "id": 123,
          "name": "<string>",
          "url": "<string>"
        },
        "users": [
          {
            "id": 123,
            "name": "<string>",
            "url": "<string>"
          }
        ],
        "currentUsers": [
          {
            "id": 123,
            "name": "<string>",
            "url": "<string>"
          }
        ],
        "currentUsersCount": 1
      }
    ]
  }
}