Home Assistant
https://www.home-assistant.ioHome Assistant keeps your data local, no need for a cloud. Home Assistant communicates with your devices locally, and will fallback to pulling in data from the cloud if there is no other option. No data is stored in the cloud, and everything is processed locally.
No URL Available - Home Assistant
www.home-assistant.io › more-info › no-url-availableUsing Nabu Casa Home Assistant Cloud. If you have Nabu Casa’s Home Assistant Cloud, the easiest way to resolve this, is by visiting your Home Assistant instance from the remote UI URL. Go to Configuration -> Cloud. Visit your instance on the remote URL. Now you can set up the integration as normal, without getting the No URL Available message.