Registered securities broker


We are a registered securities broker

Alpaca is a member of Financial Industry Regulatory Authority, Inc. (FINRA). You can check the background of Alpaca on FINRA’s BrokerCheck. Alpaca is also a member of SIPC — securities in your account are protected up to $500,000. For details, please visit

Commission Free Stock Trading


Commission free trading

Commission free and zero commission trading means that there are no commission charges for Alpaca self-directed individual brokerage accounts that trade U.S. listed securities through an API. There are no account minimums and no minimum number of trades required. All trades entered must be in tradable sizes. Relevant SEC and FINRA fees may apply.

Commission Free Stock Trading

What our users are saying

Finally, a professional and easy to use API to connect to the markets courtesy of Alpaca. Their team is the real deal. I can't wait to see what's next. -John S.
from Stamford, CT

I love Alpaca and their API first approach to trading , I now can add smarter rules for buying and selling stocks for free. -Kiran H.
Software Engineer, San Francisco

These testimonials may not be representative of the experience of other customers and are not a guarantee of future performance or success.
Powerful developer features


Features that make a difference

Alpaca has all the important features and tools you need to run your algos with confidence.

  • Real-Time Market Data
  • REST API + WebSocket Stream
  • Algo Management Dashboard
  • Paper Trading Features
  • Active User Community
Glossary of terms
Risks of automated trading