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

{
  "links": {
    "self": "<string>",
    "related": "<string>"
  },
  "data": {
    "type": "<string>",
    "id": "<string>"
  }
}