Alpaca
alpaca.marketsDeveloper-first API for Stock, Options, Crypto Trading & more
Finance & Fintechtrading-apibrokeragealgorithmic-tradingfintechcryptostock-marketbroker-as-a-service

About
Alpaca provides a developer-first brokerage API platform enabling algo traders, fintech startups, and institutions to trade stocks, options, and crypto programmatically. It offers both a Trading API for individual algorithmic traders and a Broker API for businesses embedding investing into their own products. The platform is self-clearing, commission-free for retail users, and supports SDKs in multiple languages.
Problem
Building programmatic trading systems or embedding brokerage functionality into apps requires dealing with complex broker integrations and infrastructure
For
Developers, algo traders, quant funds, and fintech companies building investment products
How it works
Alpaca exposes REST and FIX APIs for trading stocks, options, and crypto, backed by its own clearing infrastructure, allowing developers to trade algorithmically or embed investing features into third-party applications
Business model
freemium
Status
launched
Company
AlpacaDB, Inc.