
Daily AI-ranked stock and crypto watchlists.
Top 5 Stocks API is a free Finance API that requires no API key, is served over HTTPS and has unconfirmed CORS support.
Existing-customer API documentation. New enrollment is paused.
Details from top5stocks.netlify.app.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Holdings of every US ETF, which ETFs hold a stock, and overlap between funds, each dated
Public market-depth and sized exit estimates, not executable quotes
The Top 5 Stocks API is provided by Top 5 Stocks (top5stocks.netlify.app). Existing-customer API documentation. New enrollment is paused.
Yes. The Top 5 Stocks API is listed in the Finance category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The Top 5 Stocks API requires no authentication, so you can start making requests without signing up.
CORS support for the Top 5 Stocks API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Top 5 Stocks API is served over HTTPS, so it's safe to use in production.