This is actually really epic to be able to use, wow. Congrats on making such a product!
EDIT: I initially thought this was open source data but I was wrong, you still need to pay for api’s to feed into this tool, so significantly less useful than I thought. A man can dream
After that your API key will allow you limited usage, e.g. AlphaVantage allows 5 requests per minute. This means that if you want more access you'll have to subscribe to one of their premium tiers.
EDIT: I initially thought this was open source data but I was wrong, you still need to pay for api’s to feed into this tool, so significantly less useful than I thought. A man can dream