CoinGecko Solana API Development Guide

A comprehensive guide for integrating CoinGecko's on-chain API for Solana. Access real-time token prices, DEX pool data, OHLCV charts, trade history, and market analytics across 1,700+ decentralized exchanges.

Overview

CoinGecko's Solana API provides:

Token Prices: Real-time prices by contract address (single or batch)

Pool Data: Liquidity pool information, trending pools, top pools

OHLCV Charts: Candlestick data for technical analysis

Trade History: Recent trades for any pool

DEX Discovery: List all DEXes operating on Solana

Search: Find pools by token name, symbol, or address

Megafilter: Advanced filtering across pools, tokens, and DEXes

Key Features

| Feature | Description |
|---------|-------------|
| 250+ Networks | Multi-chain support including Solana |
| 1,700+ DEXes | Raydium, Orca, Jupiter, Meteora, Pump.fun, etc. |
| 15M+ Tokens | Comprehensive token coverage |
| Real-time Data | Updates every 10-30 seconds |
| Historical Data | OHLCV charts and trade history |

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Quick Start

Get Your API Key

Demo API (Free): Visit coingecko.com/en/api

Pro API (Paid): Visit coingecko.com/en/api/pricing

Environment Setup

# .env file
COINGECKO_API_KEY=your_api_key_here
COINGECKO_API_TYPE=demo  # or 'pro'

API Configuration

```typescript
// Configuration for both Demo and Pro APIs
const CONFIG = {
demo: {
baseUrl: 'https://api.coingecko.com/api/v3/onchain',
headerKey: 'x-cg-demo-api-key',
rateLimit: 30, // calls per minute
},
pro: {
baseUrl: 'https://pro-api.coingecko.com/api/v3/onchain',
headerKey: 'x-cg-pro-api-key',
rateLimit: 500, // calls per minute (varies by plan)
},
};

const apiType = process.env.COINGECKO_API_TYPE || 'demo';
const apiKey = process.env.COINGECKO_API_KEY;

const BASE_URL = CONFIG[