The idea has been discussed before but I'd really like to ask for it again. We have recently been working on a project where we want to have a real time overview of the active subscriptions of users. This means two things:
1) There should be a possibility to subscribe and unsubscribe specific subscriptions via an integration with an API i.e. user unsubscribes from subscription type A but subscribes to subscription type B and re-subscribes to subscription type C in the app. This should then be reflected in HubSpot itself.
2) It's particularly important that when users unsubscribe from one subscription type but then re-subscribe to it at a later date can automatically be re-subscribed to it in HubSpot in real-time. This is currently not possible but it would be a super useful feature.
I look forward to hearing from you soon! If you're a fellow HubSpot user who would also like this feature to be added, please like this post to make sure it gets seen!