Mercado Pago is a digital payment platform that allows users to make online transactions easily and securely. It is part of the larger Mercado Libre ecosystem, which is a popular e-commerce site in Latin America. Users can pay for goods and services, transfer money, and manage their finances through the app or website. The platform supports various payment methods, including credit and debit cards, bank transfers, and cash payments at authorized locations. Mercado Pago also offers features like QR code payments and installment plans, making it a versatile tool for both consumers and businesses in the region.