Where can I get real time stock prices which I plan to use in my website?

I am in the process of building a website which provides detailed analysis of a companys finances. But for that I need real time stocks. Am I allowed

I am in the process of building a website which provides detailed analysis of a company's finances. But for that I need real time stocks. Am I allowed to directly retrieve the information from the official NASDAQ/NYSE website?

or:I am in the process of building a website which provides detailed analysis of a company's finances. But for that I need real time stocks. Am I allowed to directly retrieve the information from the official NASDAQ/NYSE website?

or:I think there's some regulation that requires that you can only get prices that are 10 minutes old or something.

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