Databento is a company that provides comprehensive market data solutions through APIs for both real-time and historical data. Founded in 2018, it delivers normalized data from a wide array of asset classes including futures, options, and equities, sourced directly from colocation sites to ensure low latency and high reliability. Databento offers a simplified and efficient way to access market data, with customizable pricing models and extensive support for developers. Their services include live data streaming, historical data retrieval, and detailed insights into corporate actions. The platform caters to over 3,000 leading firms and startups, utilizing advanced technology to offer solutions such as full exchange order book replay and seamless integration with programming languages like Python and C++.