# Fixer

Fixer is a currency data API providing real-time and historical exchange rates for 170 world currencies.

- **Category:** developer tools
- **Auth:** API_KEY
- **Composio Managed App Available?** N/A
- **Tools:** 3
- **Triggers:** 0
- **Slug:** `FIXER`
- **Version:** 20260211_00

## Tools

### Get Historical Rates

**Slug:** `FIXER_GET_HISTORICAL_RATES`

Tool to get historical exchange rate data for a specific date. Use when you need past currency rates for all or selected currencies.

#### Input Parameters

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `base` | string | No | Three-letter base currency code (defaults to EUR if omitted) |
| `date` | string | Yes | Date for historical rates in YYYY-MM-DD format |
| `symbols` | array | No | List of target currency codes to limit output. If omitted, all available currencies are returned |

#### Output

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `data` | string | Yes | Data from the action execution |
| `error` | string | No | Error if any occurred during the execution of the action |
| `successful` | boolean | Yes | Whether or not the action execution was successful or not |

### Get Latest Exchange Rates

**Slug:** `FIXER_GET_LATEST_RATES`

Tool to get real-time exchange rate data for all available or specified currencies. Use when you need current forex rates before performing currency conversions.

#### Input Parameters

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `base` | string | No | The base currency to which exchange rates are relative. Defaults to 'EUR'. Changing the base currency is only available on paid plans. |
| `symbols` | array | No | List of currency codes to limit the response. Provide as a list, e.g., ['USD', 'GBP']. If omitted, all available currencies are returned. |

#### Output

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `data` | string | Yes | Data from the action execution |
| `error` | string | No | Error if any occurred during the execution of the action |
| `successful` | boolean | Yes | Whether or not the action execution was successful or not |

### Get Supported Symbols

**Slug:** `FIXER_GET_SUPPORTED_SYMBOLS`

Tool to retrieve all supported currency symbols and their full names. Use when you need to display or validate available currencies before performing conversions.

#### Output

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `data` | string | Yes | Data from the action execution |
| `error` | string | No | Error if any occurred during the execution of the action |
| `successful` | boolean | Yes | Whether or not the action execution was successful or not |