Free Crypto Price API — real-time prices, market cap, and Fear & Greed Index
The /finance namespace's crypto endpoints cover live prices, top-100 market cap rankings, historical data, and the Crypto Fear & Greed Index — everything a basic portfolio tracker needs.
No credit card · Free tier forever · X-API-Key header auth
What's included in /finance
Real-time prices
Current price, 24h/7d change, market cap, and circulating supply for any cryptocurrency.
Top 100 by market cap
Live-ranked leaderboard, not a hand-maintained list that goes stale when a new coin breaks into the top 100.
Historical data
Price, market cap, and volume history for up to 365 days.
Crypto Fear & Greed Index
The standard 0-100 market-sentiment score, with classification and 7-day history.
Currency converter for crypto-to-fiat
Convert between any supported fiat currency pair, useful alongside crypto holdings.
Start using the crypto price API free today
Free tier — 500 calls/month, no credit card. Upgrade when you need more.
Frequently asked questions
How many cryptocurrencies are covered?
Individual price lookup covers any major coin by ID; /crypto/list returns the top 100 by market cap.
Is the Fear & Greed Index real or computed by you?
It's the standard market-wide sentiment index, returned with classification and 7-day history.
Is there a free tier?
Yes — 500 calls/month forever, no credit card.
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