curl --request GET \
  --url https://api.scholarlysoftware.com/api/v1/departments/{id}/children \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "type": "department",
      "attributes": {
        "name": "Computer Science",
        "created_at": "<string>",
        "updated_at": "<string>",
        "is_root": true
      },
      "relationships": {
        "parent": {
          "links": {
            "related": "<string>"
          },
          "meta": {}
        },
        "children": {
          "links": {
            "related": "<string>"
          },
          "meta": {}
        }
      }
    }
  ]
}