curl --request GET \
  --url https://api.example.com/api/datasets/{dataset_id}/shortcut-guidance/classes/{class_name}/mask \
  --header 'Authorization: Bearer <token>'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}