☞ ☞ ☞ By using the IEX API, you agree to our terms. ☜ ☜ ☜
The IEX API 1.0 offers free access to our DEEP, TOPS, market, stock, and stats data using JSON or websockets. The IEX API 1.0 provides any individual or academic, public or private institution looking to develop applications that require stock market data to access near real-time quote and trade data for all stocks trading on IEX. As America's newest stock exchange, IEX trades U.S. equity securities, including exchange-traded funds (ETFs).
Very reliable. We use the API to run our own applications.
None. No paperwork, no login.
Yes. For free.
No limits. We throttle requests per IP, but you should get over 100 per second.
Yes. WebSockets. SSE on the way.
While we strive for 100% uptime, there are times when an outage may occur. Check our twitter status account (@IEXStatus) for updates.