Alpaca is a financial technology company that provides developer-first APIs and brokerage infrastructure for programmatic access to stock, options, and cryptocurrency markets, enabling businesses and individual traders to integrate trading and investing capabilities into their applications. Its platform offers REST, WebSocket, and event-driven interfaces that support algorithmic trading, automated strategy execution, real-time market data, backtesting, and portfolio management workflows. Alpaca’s services also include brokerage account functionality, clearing and settlement services, and tools that allow firms to embed investing features into their products or to build custom trading systems on top of its API-centric architecture. The company supports global fintech partners with solutions such as tokenization, high-yield cash programs, multi-leg options trading, and advanced order types that align with diverse trading and investment use cases. Its technology is used by developers, quant traders, fintech platforms, and financial institutions seeking programmable market access and integrated financial services.