Join the 30th Century with wrist/off.
Call any HTTP URL. Pick your method, headers, auth, and customise to a degree unheard of in wrist-based action history.
See a nice success or failure result and scroll up to see the status code. Then make whoever failed you pay...
You can even deploy from your phone if you like, but that is boring.
Add button widgets, even stupidly big ones. SuperDirectMode allows you to press it direct from your home screen!
Set up shortcuts and use it via Siri or your action button, or just construct weird workflows that I don't want to hear about.
Sync your buttons across your devices. Did you bring your giant iPad to work instead of your phone? That's FINE.