CoinGecko is the leading independent cryptocurrency data aggregator, tracking 15,000+ coins across 900+ exchanges. The API provides real-time prices, market caps, trading volumes, historical data, OHLC candles, exchange data, DeFi metrics, and NFT floor prices. Widely used in crypto dashboards, wallets, and portfolio trackers.
https://api.coingecko.com/api/v3
Auth type
API Key Header
Auth header
x-cg-demo-api-key: CG-...
Rate limit
30 calls/min (free)
Pricing
Free tier available
Free quota
10,000 calls/month (30 calls/min)
Documentation
https://docs.coingecko.com/reference/introduction
Endpoint status
Server online — HTTP 404 — server is online but path returned an error (may require auth)732ms
(checked Mar 29, 2026)
Builder score
B
72%
builder-friendly
Free tier requires no authentication. Demo and Pro plans use the x-cg-demo-api-key or x-cg-pro-api-key header.
x-cg-demo-api-key: CG-...
Free: 30 calls/min, 10k/month. Demo $129/mo: 500 calls/min. Analyst $499/mo: 500 calls/min + premium endpoints. Lite $2,499/mo: 1,000 calls/min.
| Method | Path | Description |
|---|---|---|
| GET | /simple/price |
Get current price for one or more coins |
| GET | /coins/markets |
List coins with market data sorted by rank |
| GET | /coins/{id}/market_chart |
Historical market data (price, volume, market cap) |
| GET | /coins/{id}/ohlc |
OHLC chart data for a coin |
| GET | /exchanges |
List all crypto exchanges with volume data |
| GET | /global |
Global crypto market overview stats |
curl "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum&vs_currencies=usd&include_24hr_change=true" -H "x-cg-demo-api-key: CG-..."
{
"bitcoin": {
"usd": 67234.50,
"usd_24h_change": 2.34
},
"ethereum": {
"usd": 3512.88,
"usd_24h_change": 1.87
}
}
Data sourced from API Map. Always verify pricing and rate limits against the official CoinGecko documentation.