 Thanks to an integration of its well-known gift card and prepaid portfolio, epay supports Revolut - a fintech app currently boasting 15 million customers worldwide - in its global expansion into 36 countries and opens up a new digital and mobile sales channel for its brand partner network. Thanks to an integration of its well-known gift card and prepaid portfolio, epay supports Revolut - a fintech app currently boasting 15 million customers worldwide - in its global expansion into 36 countries and opens up a new digital and mobile sales channel for its brand partner network. 