You can use the admin portal to create applications. An application represents the data associated with your app. Through an application, you handle the entities associated with your app, including users, devices, events, and so on.
To create a new application with the admin portal:
Applications can also be created programatically with a POST
request to the API. For more, see Application.
If this is going to be a production application, be sure to configure security roles that provide only the level of access your users will need. For more on security, see Security Best Practices .