Hesab is a mobile banking solution that offers a range of multi-channel payment services, including mobile payments, card payments, and online payments. It aims to provide businesses with a secure and efficient way to accept cashless payments, bringing transparency and efficiency to their revenue collection process. HesabPay offers various features such as API services for instant transaction reports on invoice payments, recurring payment options for monthly bill payments, instant fund transfers, bill payments, merchant payments, mobile top-up purchases, donations, and e-taxation.