Polygon.io
The leading API for real-time and historical financial market data.
Asset Classes
Stocks, Options, Forex, Crypto
Data Points
Billions of rows
API Calls per Day
10B+
About Polygon.io
Polygon.io is a comprehensive financial data platform offering a wide array of market information through its APIs. It provides access to historical and real-time data for US stocks, options, indices, forex, and crypto markets. The platform is built for developers, fintech companies, and financial institutions, enabling them to power applications like charting platforms, algorithmic trading bots, and market analysis tools. Key features include low-latency WebSocket streams for real-time updates, clean and aggregated historical data, and extensive coverage of market-wide and company-specific events like splits, dividends, and financial statements. The simple API design and clear documentation allow for quick integration.
Core Data Feeds
Stocks & Etfs
Real-time and historical data from all US exchanges.
Options
Complete US equity options data, including trades, quotes, and greeks.
Forex
Real-time and historical tick data for over 1000 currency pairs.
Cryptocurrencies
Data from over 20 top crypto exchanges, covering thousands of pairs.
API Features
Real-Time Streaming
Low-latency data streaming via WebSockets.
Restful Api
Simple HTTP-based API for historical data and reference information.
Tick-Level Data
Access to every trade and quote, providing granular market insights.
Aggregates
Candlestick data available in various timeframes from minutes to months.