For the Flutterwave gateway, we support the following currency: ZAR, KES, NGN, ZMW, GHS, TZS,UGX, RWF, Shekel
Israeli. And the charge rate is 3.2%. If the user chooses to pay in USD payment getaway will be Braintree, if the user
chooses to pay in all the currencies above then Flutterwave.