[santamex]

You should have a look at this nice and free stock market API. Also well documented.

https://financialmodelingprep.com/

[themodelplumber]

Whoa! I love it, thank you for sharing this. It seems like it's a free API for personal use with some rate limitations.

[mettamage]

Ah yea, this was recently on HN through some other project [1]. Financialmodelingpre.com is amazing.

[1] https://news.ycombinator.com/item?id=22848779#22849272

[throwaway9d0291]

There's also Alphavantage: https://www.alphavantage.co/documentation/

It has extensive technical indicators which can be handy.

[michaelscott]

Whoa, this is an incredible find! Getting historical testing data for anything other than the stock market is an absolute nightmare. Thanks for this!

[blakbelt78]

Cool. I didn’t know about this one. Definitely looking into it.