# Billing


## Fields

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