# Alpha Vantage API

Financial time series and market data for research applications.

- Canonical guide: https://findpublicapis.com/apis/alpha-vantage/
- Category: Finance
- Authentication: API key
- Access: Free tier
- Documentation reviewed: 2026-09-16 (not live uptime testing)
- Official documentation: https://www.alphavantage.co/documentation/

## What you could build
Practice charting historical daily prices with appropriate date and source labels.

## Usage conditions
The standard free allowance is 25 calls/day. Premium datasets and real-time market data can require payment and additional entitlements.

## Example endpoint
https://www.alphavantage.co/query?function=TIME_SERIES_DAILY&symbol=IBM&apikey=YOUR_API_KEY

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