Merchant Support Questions & Answers What cards are supported? We support VISA (including Visa electron) and Mastercard Credit and Debit cards. Maestro, Amex, UnionPay and Diners cards are not currently supported. Last Updated: 6 years ago in Questions & Answers Did this article answer your question? Related Articles Click to Pay Questions and Answers Brand and logo guidelines for supported payment methods What is Open Banking? What is a processing account? What is EMV 3DS? What is PSD2?