The part that appealed to me the most: unlike other apps where you have to select from a list of integrations, you can literally craft a HTTP request like in Postman to get data from any API: https://getradar.co/docs/adding-data
Congratulations on the launch, I've been following your development since you announced it couple of months back.
Couple of other quick suggestions,
Linux KDE: Panel gets struck to the top right and cannot be moved elsewhere. This interferes with other items there. Mac screenshots on your site shows different panel placement. The ability to move the panel to desired location could be ideal.
[1]https://needgap.com/problems/144-on-demand-hacker-news-notif...