Frequently Asked Questions

No. While our API works great with any programming language, you can also download data directly as CSV files that open in Excel, Google Sheets, or any spreadsheet application. No coding required.
We cover US equities listed on NYSE, NYSE Arca, NYSE American, NYSE Chicago, NYSE National, NASDAQ, NASDAQ BX, NASDAQ PSX, CBOE BZX, CBOE BYX, CBOE EDGX, CBOE EDGA, IEX, MEMX, MIAX Pearl Equities, and LTSE.
Our historical stock price, stock technicals, dividend, splits, and financial statement data go back over 25 years to January 2000.
We source all our data from public domain assources, such as SEC filings, company investor relations sites, stock exchange publicly published data.
Yes. Our historical stock price data is fully split-adjusted by default, so you get accurate prices that account for all historical stock splits and reverse splits.
End-of-day stock data is updated daily at approximately 6.30pm US Eastern time.
Currently, QuantQuote focuses on end-of-day historical data. We do not offer real-time streaming or intraday data at this time.
The API returns data in JSON or CSV format. Simply set the type parameter to json or csv in your request. CSV files can be opened directly in Excel or Google Sheets.
After signing up, you'll receive an API key. Include it as a query parameter (api_key) in your requests. That's all you need to get started.
Yes. Each plan has a daily API call limit. The Starter plan includes 300 calls/day, Growth includes 50,000 calls/day, and Pro includes 150,000 calls/day. If you need more, contact us.
Yes. Our Starter plan is completely free and includes 300 API calls per day with access to 3 years of historical data. It's a great way to test and try out QuantQuote before upgrading.
Yes. You can upgrade, downgrade, or cancel your subscription at any time. Changes take effect at the start of your next billing cycle.
We accept all major credit cards. All payments are processed securely through Stripe.

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