KakaoPay is a mobile payment and digital wallet service in South Korea, developed by Kakao Corp. It allows users to make payments, transfer money, and manage their finances through a smartphone app. Users can link their bank accounts or credit cards to easily conduct transactions, pay bills, and shop online. In addition to basic payment services, KakaoPay offers features like QR code payments and loyalty rewards. It is widely accepted at various merchants, making it a convenient option for everyday purchases. The service aims to enhance the digital payment experience for users in South Korea.