# Alpha Vantage

**Provider:** Alpha Vantage
**Category:** finance
**Base URL:** `https://www.alphavantage.co/query`
**Auth:** api-key — `?apikey=YOUR_API_KEY`
**Rate Limit:** 25 requests/day (free) · 75–600 requests/min (paid)
**Free Tier:** Yes — [object Object]
**Pricing:** Free tier available (freemium)
**Docs:** https://www.alphavantage.co/documentation/

## Description

Alpha Vantage offers free and premium financial market data APIs covering US and global equities, ETFs, mutual funds, forex, cryptocurrencies, and economic indicators like GDP and CPI. Technical indicators (RSI, MACD, Bollinger Bands) are computed server-side. Favored by students, individual investors, and independent developers for its generous free tier.

## Endpoints

| Method | Endpoint | Description |
|--------|----------|-------------|
| GET | `https://www.alphavantage.co/query?function=TIME_SERIES_DAILY` | Daily OHLCV data for any equity |
| GET | `https://www.alphavantage.co/query?function=GLOBAL_QUOTE` | Real-time quote for a stock symbol |
| GET | `https://www.alphavantage.co/query?function=RSI` | Relative Strength Index (RSI) values |
| GET | `https://www.alphavantage.co/query?function=FX_DAILY` | Daily forex exchange rates |
| GET | `https://www.alphavantage.co/query?function=DIGITAL_CURRENCY_DAILY` | Daily crypto prices in any fiat currency |
| GET | `https://www.alphavantage.co/query?function=INCOME_STATEMENT` | Annual and quarterly income statements |

## Authentication

Pass your API key as the apikey query parameter on every request.

```
?apikey=YOUR_API_KEY
```

## Sample Request

```bash
curl "https://www.alphavantage.co/query?function=GLOBAL_QUOTE&symbol=IBM&apikey=$AV_API_KEY"
```

## Sample Response

```json
{
  "Global Quote": {
    "01. symbol": "IBM",
    "05. price": "183.7600",
    "09. change": "2.0200",
    "10. change percent": "1.1103%",
    "06. volume": "3476512"
  }
}
```

## Pricing Details

Free: 25 requests/day. Premium $50/mo: 75 requests/min. Premium $120/mo: 150 requests/min. Enterprise: custom rates.

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*Source: [API Map](https://apimap.dev/apis/alpha-vantage/) — CC BY 4.0*