The subscription management API endpoints is lacking one very important feature, namely being able to assign the subscription to a subscription group. Without support for subscription group assignment the whole concept of subscription groups is useless for anyone managing subscriptions programmatically.

Use case: syncing subscriptions from a CRM system to StatusPal, with different audiences (subscription groups) that should be selectable in StatusPal when sending notifications.

Scope limitation: managing the actual subscription groups via API is not necessary for our use case, simply being able to add/remove subscription membership to an existing subscription group is fine.