curl --request GET \
  --url https://cloud.onyx.app/api/manage/admin/connector/{connector_id}/files \
  --header 'Authorization: Bearer <token>'

{
  "files": [
    {
      "file_id": "<string>",
      "file_name": "<string>",
      "file_size": 123,
      "upload_date": "<string>"
    }
  ]
}