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Alpaca
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Plans
| Plan | $/month | Notes |
|---|---|---|
| Basic | $0 | IEX real-time via websocket, 15-min delay via API, 200 calls/min |
| Algo Trader Plus | $99 | All US exchanges, unlimited API calls |
Key facts
| Category | broker+data |
|---|---|
| Free tier | yes |
| Rate limits | Free: 200 calls/min; Algo Trader Plus: unlimited |
| History | 7+ years |
| Asset classes | us-stocks, options, crypto |
| Real-time / delayed | Free: IEX real-time websocket; Plus: all US exchanges |
| WebSocket | yes |
| Notes | unknown |
| Sources | https://alpaca.markets/data Docs: https://docs.alpaca.markets |
| Verified on | 2026-10-15 |