Scope
View unbilled charges at the subscription level
Detailed view of unbilled charges at the customer level.
API call to view unbilled charges.
Solution
You can view all unbilled charges for a particular customer or for a particular subscription
Subscription Level
All unbilled charges for a subscription are listed on its details page:

The section also shows the date on which the charges would be invoiced (same as the subscription renewal date).
Customer Level
All unbilled charges for a customer (across all subscriptions under it) are listed on its details page.
API
If you'd like to view the details of any changes that Chargebee makes to the list of unbilled charges, you can use the List unbilled charges API call. The is_voided
parameter is set as true
for unbilled charges that have been invoiced already. For such charges, voided_at
parameter is also available.