When credits are added as Referral bonuses, cashback offers, etc. And adjusted for some reason.
These credits are more like discounts. They are another form of discount and hence are applied before tax, whereas Adjustment and Refundable Credits are handled the same way as payments and hence applied after tax.
Promotional credits will automatically be adjusted to an upcoming invoice if available
Promotional credits are added to the customer level, and will apply to all subscriptions under the respective customer.
Option 1. Via Admin Console (Chargebee app)
Once logged in to Chargebee.
Go to the Subscriptions tab » Customers.
Find the customer in question for the list, Use the search if necessary top left corner.
Click the Customer ID to go in to the customer details.
Click Promotional Credits (Right Side, Action panel).
Choose to action Deduct Or Add.
Select Currency type (if applicable).
Enter the amount that needs to added or deducted from the current balance.
Enter a description (mostly to record the reason).
Click “Update” to complete action.
Chargebee’s APIs are supported on multiple language platforms. Listed below is documentation to add and remove promotional credits.