Alpaca
Commission-free stock trading API for developers to automate trading strategies and build AI-powered fintech apps.
Why choose Alpaca
Alpaca is a commission-free stock trading API that enables developers and AI systems to automate trading strategies. Used by 100,000+ developers building algorithmic trading bots, robo-advisors, and AI-powered portfolio management tools, Alpaca provides brokerage-as-a-service infrastructure for fintech applications.
- Commission-free trading
- Best-in-class developer API
- Paper trading for strategy testing
- Large developer community
Where it falls short
- US stocks and crypto only
- Not for non-technical users
- Platform complexity for beginners
Best for these users
Pricing overview
Free API access. Commission-free trading. Premium data plans available.
Check current pricing →Key features
Alternatives to Alpaca
AI lending platform using 1,600+ variables to predict creditworthiness beyond FICO scores.
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AI wealth management platform aggregating $6T+ in AUM with portfolio analytics for advisors and family offices.
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The verdict
Alpaca is a solid choice for business teams who need commission-free trading. At freemium, it delivers good value. Main caveat: us stocks and crypto only. Compare with alternatives before committing.