The CoinMarketCap API is a suite of high-performance RESTful JSON endpoints that are specifically designed to meet the mission-critical demands of application developers, data scientists, and enterprise business platforms.
This API reference includes all technical documentation developers need to integrate third-party applications and platforms. Additional answers to common questions can be found in the CoinMarketCap API FAQ.
Pro API References
The Pro API covers 60+ endpoints across cryptocurrency, exchange, DEX, global metrics, and more. All endpoints are auto-generated from our OpenAPI specification and include an interactive playground for testing requests directly in the browser.
AI Tools
Integrate CoinMarketCap data into AI agents and development environments. Connect via MCP for real-time data, use x402 for pay-per-request access, or install pre-built skills for market reports and token research.
Changelog
Track API updates, new endpoints, and version history.
Get started
Get an API key
Sign up at pro.coinmarketcap.com to receive your free API key.
Make your first call
Follow the quick start guide to make your first request.
Explore endpoints
Browse the Pro API References to find the endpoints you need.