curl --request DELETE \
  --url https://{subdomain}.withrealm.com/api/external/alpha/documents/{connector_id} \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "<string>",
  "details": {
    "connector_id": "<string>",
    "older_than": "<string>",
    "deleted_count": 123
  },
  "error": "<string>"
}