MercadoLibre, Inc. functions through two primary business segments: Commerce and Fintech. The Commerce segment features the Mercado Libre Marketplace, an online platform connecting buyers and sellers, supported by Mercado Envios for logistics and shipping, Mercado Ads for advertising, and Mercado Shops for digital storefronts. The Fintech segment is driven by Mercado Pago, which offers digital payment processing, digital wallets, and merchant services, alongside Mercado Credito, which provides loans and cash advances to consumers and sellers. Geographically, the company generates the majority of its revenue from Brazil, Argentina, and Mexico, though it operates across 18 Latin American countries. By building its own logistics network and payment infrastructure, MercadoLibre has established a dominant competitive position in a region historically characterized by low credit card penetration and fragmented delivery systems.