Although in no way required, I strong advise anyone using this to install the Stylus extension for their browser and install the style below to modify the buttons into simple text links. This is fine for a Chat Menu with a few commands, but it really makes the output huge and unwieldy. Some restrictions and suggestions: The basic roll templates in the 5e sheet use the default Roll20 Big Pink Button. I will show you how to install this macro (in only one spot!) and have it work for all NPCs in your game. No API is required for this-it runs on basic macro commands and the D&D 5th Edition by Roll20 sheet's built-in Abilities. Nearly everything it reports is a clickable button. I have seen a lot of variations of requests for something like this come along with the influx of new users (Hi Everyone!) 'How can I run a monster without opening the character sheet? I want its attacks on buttons.' The following macro will whisper a Chat Menu to the GM containing the monster's basic statblock.
