Alpaca
https://alpaca.markets/Alpaca is a developer-first API brokerage platform that supports hundreds of businesses globally. Alpaca offers stock, options, ETF and crypto trading, real-time market data, and end-to-end brokerage infrastructure through modern APIs.
Alpaca has raised over $120m in funding and is backed by top investors in the industry globally, including Portage Ventures, Spark Capital, Tribe Capital, Social Leverage, Horizons Ventures, Unbound, SBI Group, Eldridge, Positive Sum, Elefund, and Y Combinator.