CoinGecko

API

Crypto price, market and onchain data for coins, tokens and exchanges

Price: Free tier, then paid
Access: Demo API key (optional)

About

Crypto market data API with coin prices, market caps, exchanges, NFTs and onchain DEX data. It works keyless or with a free Demo key (10k calls a month, attribution required); paid plans raise limits and unlock all endpoints.

What you can do with it

Get live coin prices by ID, symbol, name or token contract address
Pull historical prices, market caps and trading volume for a coin
Query onchain DEX pools, trades and token prices across networks

Get started

Optionally get a free Demo API key from the Developer Dashboard
Send it in the x-cg-demo-api-key header
Call endpoints under api.coingecko.com/api/v3

Example

curl "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd" \
  -H "x-cg-demo-api-key: $COINGECKO_API_KEY"

Details

Hosting: Hosted service
Available in: Worldwide
Official SDKs: JavaScript/TypeScript, Python
MCP server: Remote