New user here, just got Ecobee yesterday so I may set up Beestat. I was poking around on the web site and clicked on the API link at the bottom, but it took me to a broken notion.so site?
Weird; it works for me. The base link is https://api.beestat.io/doc which is a redirect to here:
https://www.notion.so/API-Documentation-e4a7746e6a3f45dbb58ea6b45b8f9744