# Fixer.io

Fixer.io is a simple and lightweight API for current and historical foreign exchange rates and currency conversion.

- **Category:** developer tools
- **Auth:** API_KEY
- **Composio Managed App Available?** N/A
- **Tools:** 5
- **Triggers:** 0
- **Slug:** `FIXER_IO`
- **Version:** 20260410_00

## Tools

### Convert Currency

**Slug:** `FIXER_IO_CONVERT_CURRENCY`

Tool to convert an amount from one currency to another. Use when you need current or historical exchange rates. Specify `date` for historical rates.

### Get Currency Fluctuations

**Slug:** `FIXER_IO_GET_FLUCTUATION`

Tool to fetch exchange rate fluctuations between two dates. Use when you need day-to-day currency rate changes.

### Get Historical Rates

**Slug:** `FIXER_IO_GET_HISTORICAL_RATES`

Fetch historical exchange rates for a specific date. Returns end-of-day (EOD) exchange rates for any date back to January 1, 1999. Use this when you need past currency conversion rates or historical financial data.

### Get Supported Symbols

**Slug:** `FIXER_IO_GET_SUPPORTED_SYMBOLS`

Tool to retrieve the list of all available currency symbols and their corresponding names. Use when you need to fetch and display supported currency codes.

### Get Time Series

**Slug:** `FIXER_IO_GET_TIME_SERIES`

Retrieves daily foreign exchange rates for a date range. Returns a time series of exchange rates for each day between start_date and end_date (inclusive, max 365 days). The rates show how much of each currency equals one unit of the base currency.