MercadoLibre, Inc. (MELI) is Latin America's largest e-commerce marketplace, with more than 120 million unique active buyers and 1 million active sellers at the end of 2025. The business is divided roughly evenly between e-commerce, including fulfillment and advertising services, and fintech. Its fintech segment contains the rapidly growing Mercado Pago payments and digital-wallet platform as well as the Mercado Credito lending operation. MercadoLibre operates in 18 countries, but Brazil, Argentina, and Mexico are its principal markets and together generate more than 95% of revenue.