Stock API

https://finnhub.io/

https://finnhub.io/api/v1/quote?symbol=AAPL&token=c052tif48v6ta8gbe9ce

https://www.alphavantage.co/

https://www.alphavantage.co/query?function=TIME_SERIES_MONTHLY&symbol=IBM&apikey=demo

https://polygon.io/

https://api.polygon.io/v1/open-close/AMZN/2020-11-10?unadjusted=true&apiKey=eoG2_BuTQDVr5nLPaF1nwbnEDrtVdn_2