Whatnot operates a live shopping marketplace built around real-time auctions, flash sales, and community-driven commerce across categories like sports cards, sneakers, fashion, coins, and comics. They provide sellers with tools to host live shows and connect directly with buyers, blending entertainment with e-commerce. The platform operates across the US and Europe, with hubs in major cities and a remote-flexible culture. Whatnot is known for its high-performance, fast-shipping engineering culture and strong community-first product philosophy.