| Name | Type | Description | Notes |
|---|---|---|---|
| str | Customer's email address | ||
| amount | int | Amount should be in kobo if currency is NGN, pesewas, if currency is GHS, and cents, if currency is ZAR | |
| authorization_code | str | Valid authorization code to charge | |
| currency | str | The transaction currency | |
| reference | str | Unique transaction reference. Only -, ., = and alphanumeric characters allowed. | [optional] |
| at_least | str | Minimum amount to charge | [optional] |