Styvio is the easiest way to get free stock market data from an API and more. Examples of data you can use are real-time intraday prices, historical prices, sentiment data from Reddit & StockTwits, a wide range of fundamental data, and basic company info.

Styvio provides intraday data, as well as historical data, absolutely free, updated every 20 minutes. The API also provides things like fundamental data (balance sheet, earnings), and news!