| Name | Type | Description | Notes |
|---|---|---|---|
| account_id | String | The card holder account id to process against. | |
| amount | Number | The amount required to process in the lowest denomination. | |
| identifier | String | An identifier used to reference the transaction set by your integration. The value should be used to refer to the transaction in future calls. | [optional] |
| merchantid | Number | The CityPay merchant id used to process the transaction. | [optional] |