BrokersFree tierApache-2.0
Alpaca
API-first broker with commission-free stocks, options and crypto and an instant paper account
By Alpaca
Live GitHub metrics
Live GitHub data · Oct 11, 2026Stars
1,545
Stars · 7d
+7
Stars · 30d
+55
30d momentum
+3.7%
Forks
408
Open issues
79
Language
Python
Last push
yesterday
Latest release v0.44.0 on Aug 11, 2026. Repository created Feb 19, 2022.
What it is
Alpaca is the broker most agent frameworks integrate first: a clean REST and WebSocket API, free paper trading and an official Python SDK. Paper accounts make it the safest place to let an agent place its first simulated orders.
In the maintainers' words: “The Official Python SDK for Alpaca API”
Markets
- US equities
- Options
- Crypto
Tags
- Broker API
- Paper trading
- Python SDK
- #algorithmic-trading
- #algotrading
- #alpaca
- #alpaca-api
- #brokerage
- #crypto
- #equities
- #finance