Here is the reference documentation of the SmartThings API, you can interact with its different endpoints through the URL provided there, for example, https://api.smartthings.com/v1/devices helps you to get the devices list.
If you want to start interacting with the API, using a tool such as Postman, you should create a Personal Access Token.
If you want to create a SmartApp, this post is an excellent starting point:
This tutorial covers the development, installation, and live logging of a SmartApp.
If this answers your question, can you please mark it as solved? If not, let me know what’s going on and I can dig in further.
oh my goodness… sounds complicated… lol I bought 6 of the hubs, so I am already invested so i better download a manual and start reading before i even attempt to get online with it… IF someone has a Manuel bookmarked that would be awesome, otherwise ill search for it, print it and get to reading!
I use blue iris with deep stack and AI Tools… AI Tools Triggers my cameras, I then want given the specified parameters (ifttt) for that alert to also trigger smart switches that i have places all around the house… some will trigger 1 light switch and others may trigger more… but thats the jist of it