Numeric currency code to be used for the payment, in compliance with the ISO 4217 standard.To use a currency other than euro (978), you must request the activation of the "currency conversion" option.
Note: All of the listed currencies are available, however, they are not presented at the moment of Merchant ID (MID) creation. If the desired currency is not suggested at the moment of creation of your MID, please contact sales administration.
To use a currency during a payment, you must have a MID created in this currency. The acquirer provides the MID to the merchant with the supported currency(ies) and the gateway takes this information into account when creating a MID.
Input and output field, returned in the response (IPN and Return URL).