Login to your Intercom account. In the bottom left-hand corner of the page there is a profile circle. Clicking on this will bring up a dropdown menu. Click on Settings.
In the settings menu, go to Apps & Integrations
This will bring up another dropdown menu, go to Developer Hub
In the Developer Hub, click on New App.
A pop-up box will appear, give you app a name and choose the workspace in which to keep the app.
Click on Create app.
You may need to click on Accept and Continue if this is the first time creating an app.
Click on the copy to clipboard image and save these details for later.