Best Financial Data APIs for StockSharp

Engage in trading through algorithms, connect with various applications, and develop services — all while enjoying commission-free access to a stock trading API. Alpaca, based in California's Bay Area, is a pioneering technology firm that streamlines asset management processes globally. Our team is composed of individuals from diverse backgrounds, bringing extensive expertise in finance and technology, and we are fortunate to have the support of leading investors from around the world. Additionally, we cherish the enthusiasm of our community members across different platforms. Enjoy the ability to buy, sell, and short U.S. stocks without any commissions, as we cater to both business and personal accounts. Alpaca Securities LLC operates as a FINRA-registered broker-dealer focused on facilitating high-volume trading. The platform also offers paper trading, enabling users to experiment with the API and evaluate how their strategies may perform. Transitioning to a live trading account is seamless, allowing you to implement your strategies in a real-world trading scenario, enhancing your experience further.

IQFeed is renowned for offering an extensive range of services to traders at an unbeatable value. Its data is among the quickest and most dependable feeds on the market, easily accessible through integrated applications like IQWatch Quote, Market Depth, News, Smart Market, or the DTN.IQ client. Additionally, users have the flexibility to select from a variety of compatible software featured on our website or even create their own applications after signing up as developers. Furthermore, DTN IQFeed seamlessly integrates with Microsoft Excel and OpenOffice's free Calc software through its built-in DDE functionality. Users can utilize our pricing calculator to explore different options available. The platform boasts over 700 market statistics and breadth indicators, such as TICK and TRIN, most of which refresh every second. In addition, it provides 180 days of tick history, inclusive of pre-and post-market data, with microsecond timestamps when available from the exchange feed. Historical data is readily accessible for various exchanges and authorized data sources, ensuring traders have the comprehensive insights they need to make informed decisions.