You can add most Visa or MasterCard credit or debit cards.
We don't support American Express, Maestro, Diners Club, JCB or UnionPay.
At the moment Curve doesn't support most prepaid cards. Prepaid-to-prepaid services are generally considered high risk by our card issuers.
However, there are some prepaid cards that we do support, having performed a case-by-case risk review on them.