Steps to get started with Developing using the Upgrade.Chat API. Please read all these documents before opening a support ticket as most of the answers are located here.
Create your API Keys for your REST application using the Upgrade.Chat API:
Create your API Keys
Once you have read all the documents and see the endpoints, you will understand how to cerate your app to respond to the data Upgrade.Chat sends.
Once you test you should get a success message if you set everything up properly.