Alpaca Data API VS StockData.org

Have you looked at Alpaca's Market Data API or Polygon.io. Both premium options are reasonably priced and give you access to both historical and real time trades. Source: over 1 year ago

I think https://alpaca.markets/data still offers free api keys for research purposes. Source: over 1 year ago

Https://alpaca.markets/data - As you see you get 100% market coverage for all US exchanges and unlimited API / WebSocket access. They also have 1min bar historical data (I do not know about the tick level). I can not speak to the quality of the API Access as I have a TotalView subscription. Source: almost 2 years ago

Free tier for researchers, now $99/month for the algotrading access (link: https://alpaca.markets/data). Source: almost 2 years ago

Https://alpaca.markets/data free plan has 200 calls/minute limit which is what you want anyway. Source: about 2 years 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