Best Free Crypto APIs - No Credit Card Required
Start building without spending a dime. Here's our curated list of genuinely free crypto APIs.
Note: All APIs listed here are free to use without a credit card. Some may require email registration for API keys.
Top Free Crypto APIs
CoinGecko API
Best OverallGenuinely free with no credit card. 10-30 calls/minute, 18,000+ coins.
View Details →Binance API
Best for TradingUnlimited WebSocket connections. Spot and futures trading.
View Details →CryptoCompare
Good for NewsFree tier: 100,000 calls/month. Historical data included.
View Details →Comparison Table
| API | Free Limit | Coins | Credit Card |
|---|---|---|---|
| CoinGecko | 10-30/min | 18,000+ | No |
| Binance | Unlimited | 400+ | No |
| OKX | Limited | 300+ | No |
| CryptoCompare | 100K/mo | 5,000+ | No |
| CoinMarketCap | 10K/mo | 10,000+ | No |
| Nomics | 10K/mo | 47,000+ | No |
Quick Recommendation
Best for beginners: CoinGecko - truly free, easy to use
Best for trading: Binance WebSocket - unlimited real-time data
Best for DeFi: Bitquery - DEX data on GraphQL