I am building a web app, and I would like to use the polygon.io API on the back-end to forecast the market sentiment. The individual upgrade is $200, while business upgrade would cost $2000. Would my use of the API considered personal or commercial? Source: 6 months ago

It's worth mentioning that we use polygon.io to provide market information, which has the ability to specify time frames for data. Each ChatGPT call will have the appropriate information at the time it should. We also use a temperature of 0, as we want idempotent predictions. Source: 11 months ago

I am currently testing the products from Polygon.io . They seem to have everything I need, however I noticed that sometimes prices are not adjusted for splits. I have seen on subreddit that this is a known problem with Polygon (about more than 3 years ago!) so I am wondering about the quality of their data. Source: 11 months ago

Polygon.io is our main data source, then we have other auxiliary sources to fill in other details polygon doesn't provide. Source: 11 months ago

To get the stock price data, we are going to use Polygon,. - Source: dev.to / 12 months ago

As mentioned, I am sure that stockdata.org is not legit. Source: over 2 years ago

So then I stumbled upon stockdata.org which advertises commercial use plans as low as $9/month. My guess is it's so cheap because their data is relatively limited? (It doesn't even show bid/ask price, for example.) Then I was reading another company's website, Xignite specifically, which goes to great lengths to explain that not only do you need to pay them, the distributor, but you also need to pay the exchanges,... Source: over 2 years ago