Best Free Stock Market APIsfor Developers in 2026
Real-time stock prices, historical OHLCV data, financials, and cryptocurrency market data — all from APIs with generous free tiers. No Bloomberg terminal required.
All Free Stock Market & Finance APIs
Alpha Vantage
Realtime and historical stock data
Coinbase
Bitcoin, Bitcoin Cash, Litecoin and Ethereum Prices
CoinDesk
CoinDesk's Bitcoin Price Index (BPI) in multiple currencies
CoinGecko
Cryptocurrency Price, Market, and Developer/Social Data
CoinMarketCap
Cryptocurrencies Prices
CryptoCompare
Cryptocurrencies Comparison
Finage
Finage is a stock, currency, cryptocurrency, indices, and ETFs real-time & historical data provider
Financial Modeling Prep
Realtime and historical stock data
Finnhub
Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto
IEX Cloud
Realtime & Historical Stock and Market Data
Intrinio
A wide selection of financial data feeds
Nasdaq Data Link
Stock market data
Polygon
Historical stock market data
Quick Start Example
Get a real-time stock quote with Finnhub
const res = await fetch(
'https://finnhub.io/api/v1/quote?symbol=AAPL&token=YOUR_KEY'
);
const { c: price, h: high, l: low } = await res.json();
console.log({ price, high, low });import requests
r = requests.get(
'https://finnhub.io/api/v1/quote',
params={'symbol': 'AAPL', 'token': 'YOUR_KEY'}
).json()
print(f"Price: {r['c']}, High: {r['h']}, Low: {r['l']}")Frequently Asked Questions
What is the best free stock market API?
Finnhub and Alpha Vantage are the most popular. Finnhub provides real-time quotes free; Alpha Vantage offers historical OHLCV data. IEX Cloud has the most generous free tier for US equities.
Can I get real-time stock prices for free?
Yes. Finnhub provides real-time quotes on its free plan (60 calls/minute). IEX Cloud offers real-time data with 500,000 free core messages per month.
Which API gives historical stock data for free?
Alpha Vantage gives up to 20 years of daily historical data free (25 requests/day). Polygon.io and Financial Modeling Prep also offer historical data on free plans.