Alpaca Trading API
Commission-free brokerage API for algorithmic trading of US stocks and crypto, providing order management, account data, market data, and real-time streaming for trading agents and bots.
Best When
You're building an algorithmic trading agent or bot that needs commission-free US stock/crypto trading with a clean API.
Avoid When
You need options/futures trading, non-US markets, or institutional execution quality.
Use Cases
- • Building algorithmic trading agents for US equities and crypto
- • Paper trading simulation for testing strategies without real money
- • Real-time market data streaming via WebSocket for live signals
- • Portfolio management and position tracking via API
- • Building trading apps with broker-dealer infrastructure
Not For
- • Options or futures trading (not supported)
- • Non-US users without US brokerage account eligibility
- • Teams needing institutional-grade execution quality
Alternatives
Full Evaluation Report
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Package Brief
Quick verdict, integration guide, cost projections, gotchas with workarounds, and alternatives comparison.
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Score Monitoring
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Continuous monitoring
Scores are editorial opinions as of 2026-03-01.