Simpology Connect is the Solution that allows you to grant access to your API subscription functionality. When enabled for a user, Subscriptions is found in Account/Subscriptions:
Access to subscriptions will allow the user to approve or remove subscription to your various APIs, which will include subscription to your Products Engine, Serviceability Logic, or even Credit Policy.
This article describes the Sections of functionality that you can set permissions for, when you select the Solution: Simpology Connect.
For each Permission Groups that you create for Solution:Simpology Connect, you are the able to set the ability to access or manage your channel APIs.
Solution: Simpology Connect has quite a small set of permissions, so per Permission Group, you can choose to work through all available sections in one go by selecting "All Sections":
For each Permission Group that you create, you can then set the permissions for the Solution: Simpology Connect.
For each "Activity", you can click on the info icon to get an understanding of what that Activity is eg:
And then set Full, or No Access for that Permission Group.
Make sure you click Save when you are ready with an update.