Retrieves a specific billing group by ID.
| Field | Description |
|---|---|
billingGroupId | Unique identifier |
groupName | Display name |
customerId | Business customer ID |
rentalIds | Array of subscription IDs |
billingDay | Day of month for billing (1-28) |
totalMonthlyAmount | Sum of all subscription amounts |
currency | Currency code |
status | active or inactive |
createdAt | When group was created |
updatedAt | Last modification |
API key obtained from FlexPortal dashboard
Your tenant identifier
The billing group ID