Query, stream, or sync

Polygon Docs

Begin by selecting the access method that best suits your goals.

REST API Docs
The REST API allows you to request specific market data and analytics on demand. It's perfect for fetching historical records, running ad-hoc queries, or integrating market data into your applications as needed.
REST Quickstart →
WebSocket API Docs
Upgrade to real-time data streaming. When your application requires live updates—such as for trading platforms, real-time analytics, or monitoring tools—the Websocket API provides a continuous stream of market data.
WebSockets Quickstart →

Need bulk historical data?

Easily sync large datasets for backtesting, research, and analytics with our full historical archives of daily flat files.

Explore flat files →
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