fastPay is a free mobile application by DenizBank that allows users to perform banking transactions using their mobile numbers as account numbers. The application offers a variety of features such as 24/7 free money transfer, commission-free bill payment, top-ups for public transportation cards, QR code payments at fastPay merchants, and money top-ups to the fastPay wallet with all debit cards. Users can also pay off any credit card debt and make payments with all credit cards.

With fastPay, users can perform all their banking transactions at any time and place, without paying any transaction fees. The application offers advantageous shopping and payment opportunities, and users can enjoy numerous campaigns and benefits. fastPay's renewed design, practical use, and advanced features provide a smooth experience for users.

The application offers several features such as loading balance to the fastPay wallet with all debit cards, 24/7 money transfer to fastPay, loading balance on transportation cards, top-up of mobile phones, payment of bills, payment with QR code at fastPay member businesses, and payment with all bank credit cards. With fastPay, users can perform all their transactions from anywhere, without any hassle.

Overall, fastPay is an excellent mobile application that offers a range of features and benefits to its users, making banking transactions more accessible and convenient.