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Alpha Vantage

Free stock, forex, crypto and economic data plus 50+ technical indicators, no card

Alpha Vantage provides time-series data for equities, forex, and crypto, along with fundamentals, economic indicators, and a large library of technical indicators. The free API key requires no credit card and covers most datasets. It is a long-standing favorite for prototyping finance tooling.

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Free tier

Free key, no credit card: 25 requests/day, 5 requests/minute. Premium tiers raise limits.

Rate limits

Free: 25 requests/day and 5 requests/minute.

Auth

API key

Base URL

https://www.alphavantage.co/query

What you'd build with it

Prototype a stock-quote skill before committing to a paid feed
Compute technical indicators server-side without a math library
Pull US economic indicators (GDP, CPI, unemployment) for macro analysis
Daily end-of-day equity snapshots within the 25-call budget

Key endpoints

GET/query?function=GLOBAL_QUOTE&symbol=AAPLLatest quote (price, volume, change) for a stock
GET/query?function=TIME_SERIES_DAILY&symbol=AAPLDaily OHLCV time series for a stock
GET/query?function=CURRENCY_EXCHANGE_RATE&from_currency=USD&to_currency=EURReal-time FX or crypto exchange rate
GET/query?function=RSI&symbol=AAPL&interval=daily&time_period=14&series_type=closeTechnical indicator (e.g. RSI) for a symbol
GET/query?function=REAL_GDP&interval=annualUS economic indicator series (GDP, CPI, etc.)

Members

Members get the runnable recipe

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