Confirm payment request
| Name | Type | Description | Notes |
|---|---|---|---|
| txid | str | Order ID | |
| payment_method | str | Payment type used for this payment; optional but must be among order-supported types. Use `supported_pay_types` on the order or `pay_type` list, e.g. `bank`, `alipay`, `wechat`, `paypal`, `swift`, `wu`. | [optional] |