New Pro User API Suggestions

So I am new to pro I’m new to roll20 and APIs  what APIs would you guys suggest and why?  Thanks in advance 

2 years old, but still holds true; <a href="https://app.roll20.net/forum/post/5613644/must-have-api-script-in-your-opinion" rel="nofollow">https://app.roll20.net/forum/post/5613644/must-have-api-script-in-your-opinion</a> Newer <a href="https://app.roll20.net/forum/post/6684278/your-favourite-api-scripts" rel="nofollow">https://app.roll20.net/forum/post/6684278/your-favourite-api-scripts</a> and a very good video by Nick on Howto Install Roll20 API Scripts