You will be able to learn more about the International Systems represented by Redunicre through the following sites:

Visa: www.visa.com​

MasterCard : www.mastercard.com​

Union Pay: www.unionpayintl.com

Multibanco: www.multibanco.pt

Diners: www.dinersclub.com​

Discover: www.discoverfinancial.com

JCB: www.jcbcard.com​​​​​​​​