How to use the API?
Send a request to this URL with the parameter username: http://api.twitchlink.stream/?username=twitchusername
Response is a small message and the users Steam profile URL or a message saying that the user hasn’t linked a Steam account in plain text
How to add this to a command?
Include this in the command you want to add it to: $(urlfetch https://api.twitchlink.stream/?username=$(1))