Market data
Price, fundamentals and historical data for analysis, alerts and backtests.
Quick comparison
| Tool | Cost | Price | Open source | Level | Markets / uses |
|---|---|---|---|---|---|
| Alpha Vantage | Free plan | Free: 25 requests/day; premium from $49.99/mo (75 requests/min) | No | Beginner | Stocks, Forex, Crypto |
| Binance public data | Free | Free | Yes | Beginner | Crypto, Crypto futures |
| CoinGecko API | Free plan | Free Demo plan; paid plans on the website | No | Beginner | Crypto |
| Databento | Paid | Historical: usage-based per GB, $125 free credits; live Standard plan $199/mo | No | Advanced | Futures, Options, Stocks, Indices |
| EODHD | Free plan | Free Sandbox; from €19.99/mo (EOD) to €99.99/mo (All-in-one) | No | Beginner | Stocks, ETFs, Forex, Crypto, Indices |
| Massive (formerly Polygon.io) | Free plan | Stocks: Basic free, Starter $29/mo, Developer $79/mo, Advanced $199/mo (annual billing 20% off) | No | Intermediate | Stocks, Options, Forex, Crypto |
| Tiingo | Free plan | Starter free; Power $30/mo or $300/yr for individuals ($50/mo for internal commercial use) | No | Beginner | Stocks, ETFs, Mutual funds, Crypto |
| Twelve Data | Free plan | Basic free; Grow $79/mo, Pro $229/mo, Ultra $999/mo (17% off yearly) | No | Beginner | Stocks, ETFs, Forex, Crypto |
| yfinance | Free | Free (open source) | Yes | Beginner | Stocks, ETFs, Indexes, FX, Crypto (whatever Yahoo Finance publishes) |
Reviews
Alpha Vantage
Market data API for stocks, forex, crypto and technical indicators, with a free tier and per-minute premium plans.
Binance public data
Free downloadable files with Binance's historical spot and futures market data (klines, trades, aggregated trades), published daily and monthly.
CoinGecko API
Crypto data API (prices, market cap, history) with a free Demo plan.
Databento
Institutional-grade market data (futures, options, equities) from 45+ exchanges with pay-as-you-go historical data and $125 free credits.
EODHD
Global financial data API (end-of-day, intraday, fundamentals, news) covering stocks, ETFs, forex and crypto from many exchanges.
Massive (formerly Polygon.io)
US stock, options, forex and crypto market data API; polygon.io now redirects to massive.com.
Tiingo
Affordable financial data API with 30+ years of end-of-day prices on 110,000+ securities, fundamentals, crypto and news.
Twelve Data
Market data API for stocks, ETFs, forex and crypto, with real-time data on the free plan and global coverage on paid plans.
yfinance
Python library to download prices and history from Yahoo Finance; widely used for research and learning.
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