{"id":"alpaca-trading-api","name":"Alpaca Trading API","homepage":"https://alpaca.markets","repo_url":"https://github.com/alpacahq/alpaca-trade-api-python","category":"payments","subcategories":["brokerage","trading","financial-data"],"tags":["alpaca","trading","brokerage","stocks","algo-trading","financial-data","websocket","rest-api","sdk"],"what_it_does":"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.","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"],"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.","alternatives":["polygon-api"],"af_score":80.2,"security_score":75.0,"reliability_score":null,"package_type":"mcp_server","discovery_source":["github"],"priority":"low","status":"evaluated","version_evaluated":"current","last_evaluated":"2026-03-01T09:50:05.221939+00:00","performance":{"latency_p50_ms":100,"latency_p99_ms":500,"uptime_sla_percent":99.9,"rate_limits":"200 requests/minute for trading API; data streaming via WebSocket is separate","data_source":"llm_estimated","measured_on":null}}