Overview of Crypto REST API - Polygon

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At Polygon.io, we offer a powerful suite of cryptocurrency market data APIs designed for developers, traders, and analysts. Our standardized REST APIs, WebSocket streams, and flat-file datasets provide real-time prices, historical data, and reference information aggregated from leading global exchanges like Coinbase, Binance, and Kraken.


Key Features

Continuous Market Access

Cryptocurrency markets operate 24/7, enabling round-the-clock trading. All data is timestamped in UTC for consistency across time zones, ensuring seamless integration for global users.

Reliable Infrastructure

👉 Discover how our API can optimize your trading strategy


How Polygon Aggregates Crypto Data

  1. Direct Exchange Feeds: Licensed partnerships with exchanges ensure complete trade/quote coverage.
  2. Multi-Source Aggregation: Combines data from Coinbase, Bitfinex, Kraken, and others.
  3. Standardization: Converts disparate exchange formats into a consistent structure.

| Data Type | Description | Use Cases |
|--------------------|--------------------------------------|-------------------------------|
| Real-time Trades | Live transaction prices | Arbitrage, price alerts |
| Historical Data | Tick-level records | Backtesting, research |
| Order Book | Bid/ask liquidity | Market depth analysis |


Applications of Polygon’s API

👉 Start building with our API today


FAQ

Q: How frequently is data updated?
A: Real-time feeds refresh in milliseconds; historical datasets are hourly/daily.

Q: Which exchanges are covered?
A: Major platforms like Binance, Coinbase, and Bitstamp, with new additions regularly.

Q: Is there rate limiting?
A: Yes, tiers vary by subscription—details in our documentation.


Next Steps

Explore our REST API documentation to integrate:

Need help? Contact our support team for onboarding assistance.


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