This chapter examines the growing role of payment services in FinTech sector, focusing on innovations in digital payments, remittances, and the impact of PSPs. The digitization of payment methods has led to significant advances in card technologies, digital wallets, and mobile POS systems, all designed to meet the growing demand for convenience, security, and speed. In addition, the chapter explores regulatory compliance and emerging technologies, such as QR code payments, payment gateways, and payment orchestrations. It illustrates how FinTech is enhancing traditional banking by improving the efficiency and accessibility of global financial transactions.