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CoinGecko API

CoinGecko API delivers real-time and historical cryptocurrency data — including prices, OHLCV, market cap, trading volume, NFT, and onchain DeFi data — for coins, tokens, pools, and exchanges via REST API, WebSocket, and Webhooks, with SDK and MCP server support for AI agents.

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For agents: CoinGecko API: real-time and historical crypto prices, OHLCV, market cap, volume, NFT and onchain DeFi data via REST, WebSocket, webhooks, SDK and MCP server.

cryptocurrency prices crypto market data onchain defi data rest api websocket mcp server

Authority: 65 reach 20 · trust 5 · quality 25 · freshness 15
Tier: listed
llms.txt: https://docs.coingecko.com/llms.txt
llms-full.txt: https://docs.coingecko.com/llms-full.txt
Sections: 3
Links: 277
Size: 49310 bytes
Popularity rank: #2713
Registered: 2014-03-26
Country: — Publisher location unknown; CDN address excluded
Country evidence: No published address evidence collected yet
Categories: AI and machine learning · Crypto and Web3 · Data and analytics · APIs and SDKs
For agents: Interface: a documented API or declared MCP endpoint an agent can call
Inferred actions: Read documentation Call an API Search content Download data About these labels
Audience: developers · agents can: read docs, call api, search content, download data · en
First seen: 2026-10-18T14:18:43.682Z
Last checked: 2026-10-24T17:38:02.477Z
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Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-24T17:37:58.880Z. Cached copy · Source on coingecko.com

# CoinGecko API

> CoinGecko API delivers real-time and historical cryptocurrency data — including prices, OHLCV, market cap, trading volume, NFT, and onchain DeFi data — for coins, tokens, pools, and exchanges via REST API, WebSocket, and Webhooks, with SDK and MCP server support for AI agents.

- [Welcome to CoinGecko API](https://docs.coingecko.com/index.md)
- [Setting Up Your API Key](https://docs.coingecko.com/docs/setting-up-your-api-key.md): Create an API key and start making requests
- [Errors & Rate Limits](https://docs.coingecko.com/docs/errors-and-rate-limits.md): HTTP status codes, CoinGecko error codes, and rate limit behavior
- [API Status](https://docs.coingecko.com/docs/api-status.md): Live status, incident history, and uptime for the CoinGecko API
- [Data Delivery Methods](https://docs.coingecko.com/docs/data-delivery-methods.md): REST API, WebSocket, and Webhooks — choose the right method for your use case
- [How-To](https://docs.coingecko.com/docs/how-to.md): Learn how to query CoinGecko and onchain data — identifiers, common patterns, and quick answers
- [Querying Coin Data](https://docs.coingecko.com/docs/querying-coin-data.md): Coin IDs, contract addresses, bulk queries, historical data, and common CoinGecko API patterns
- [Querying Onchain Data](https://docs.coingecko.com/docs/querying-onchain-data.md): Network IDs, DEX IDs, pool and token queries, and common onchain API patterns
- [Common Use Cases](https://docs.coingecko.com/docs/common-use-cases.md): Step-by-step guides for building with the CoinGecko API — trading, portfolio tracking, market research, and more
- [Trading](https://docs.coingecko.com/docs/trading.md): Build trading bots, charting tools, and backtesting pipelines with CoinGecko API
- [Portfolio Tracking](https://docs.coingecko.com/docs/portfolio-tracking.md): Build portfolio trackers with real-time valuation, cost basis, and multi-currency support from CoinGecko API
- [Market Research](https://docs.coingecko.com/docs/market-research.md): Conduct deep market research with fundamentals, trending data, sector analysis, and onchain analytics from CoinGecko API
- [DeFi & Onchain Analytics](https://docs.coingecko.com/docs/defi-onchain-analytics.md): Analyze onchain tokens, pools, trades, and holder distribution across 200+ networks from CoinGecko API
- [Compliance & Reporting](https://docs.coingecko.com/docs/compliance-reporting.md): Build tax reporting, fund accounting, and audit pipelines with timestamped historical prices from CoinGecko API
- [AI Agents & LLM Apps](https://docs.coingecko.com/docs/ai-agents-llm-apps.md): Build AI agents and LLM-powered apps with real-time crypto data from CoinGecko — MCP, SDK function calling, and prompt patterns
- [Endpoint Showcase](https://docs.coingecko.com/docs/endpoint-showcase.md): See how CoinGecko API powers CoinGecko.com and GeckoTerminal.com
- [Pay with Crypto](https://docs.coingecko.com/docs/crypto-payment.md): Pay for a CoinGecko API subscription with crypto (USDC
…

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