# Billing


## Fields

| Field                                                                                | Type                                                                                 | Required                                                                             | Description                                                                          |
| ------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ |
| `internal_payment_method`                                                            | [operations.InternalPaymentMethod](../../models/operations/internalpaymentmethod.md) | :heavy_check_mark:                                                                   | N/A                                                                                  |
| `payment_method_id`                                                                  | *Nullable[int]*                                                                      | :heavy_check_mark:                                                                   | N/A                                                                                  |