Notify Churn Buster when a customer's default payment method is updated so that analytics can be tracked.
Notify Churn Buster of subscription cancellations so that recovery campaigns can be ended (if active) and analytics can be tracked.
Notify Churn Buster of (recurring) successful payments so that recovery campaigns can be ended (if active) and analytics can be tracked.
Notify Churn Buster of failed, recurring payments to trigger recovery campaigns.
