Northern Trail Outfitters wants to leverage the REST API for an external application they plan...

To enable REST API access for external applications in Salesforce Marketing Cloud, permissions need to be configured within Installed Packages. This area allows administrators to manage API integrations and set authentication protocols.

Installed Packages: Navigate to this section in the Marketing Cloud setup menu. Create or select an existing package to configure API integration. Set up the API integration by generating the API key and secret, which are essential for authenticating the external application's API requests.