This article describes how to connect apps to AIRR to enable seamless integration
On the Apps tab of the General Settings page you can see and enable supported app integrations.
In order to enable a connected app to AIRR, simply click the corresponding "Connect" button for the service you are trying to enable. This should launch a process to connect the service. You may be asked to login on the app's website if the app selected is using OAuth.
More information on the App Integrations is available here:
Connecting apps is done in the General Settings section of the settings page.
Settings -> General Settings