CoinGecko API

Overview

Query cryptocurrency market data using the CoinGecko API V3. This skill covers:

• Price lookups by coin ID, symbol, or contract address
• Market data with rankings, volume, and price changes
• Historical price charts and OHLC data
• Search and trending coins
• Global market statistics

Scope: Covers the Demo (free), Analyst, Lite, and Pro tiers. For on-chain DEX data (GeckoTerminal endpoints), consult the fallback documentation.

Prerequisites

API Key Detection

Before making any API call, determine the available API key: