Databento, a market data provider, offers a unique self-service model that allows users to access live exchange feeds and vast amounts of historical data, charging only for the data used. This approach democratizes data access, making it feasible for both large financial institutions and small startups. With a team comprising of alumni from high-frequency trading desks and firms like Two Sigma, Flow Traders, Virtu, and Stripe, Databento brings a wealth of industry experience, positioning it as a leader in the financial data sector.