---
title: "Foreign Exchange Module"
slug: "foreignexchange"
description: "Learn how the Foreign Exchange Module offers users the ability to integrate with the Currency Layer JSON REST API to provide access to 168 world currencies and precious metals foreign currency exchange data through the use of pre-built Flow steps."
updated: 2026-07-02T16:04:20Z
published: 2026-07-02T16:04:20Z
canonical: "documentation.decisions.com/foreignexchange"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://documentation.decisions.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Foreign Exchange Module

## Overview

| ## Module Details |
| --- |
| **Last Modified** | 11/30/2021 |
| **Installation Location** | Core, [Github](https://github.com/Decisions-Modules/Decisions.ForeignExchange/releases) (v7.9+) |
| **Restart Required?** | No |
| **Step Location** | INTEGRATION > Foreign Exchange |
| **Settings Location** | System > Settings > Foreign Exchange Settings |
| **Prerequisites** | Account with [CurrencyLayer.com](https://currencylayer.com/) and CurrencyLayer API Create a [project dependency](https://documentation.decisions.com/version-10/docs/project-dependencies). |

The **Foreign** **Exchange** **Module** offers users the ability to integrate with the **Currency Layer JSON REST API** to provide access to 168 world currencies and precious metals foreign currency exchange data through the use of pre-built Flow steps. By using this Module, users are able to obtain foreign exchange rates and convert rates to assist with their business needs and applications.

---

## Example

This example will demonstrate how to configure the **Foreign Exchange Module** settings and show how to use the module to convert $100.00 USD ;(US Dollars) to EUR (Euro).

1. Navigate to **System > Settings.** Right-click **Foreign Exchange Settings** and select **Edit.**  
**![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1783008230894.png)**
2. In the **Edit** **Foreign Exchange Settings** window, enter the **CurrencyLayer.com** **API Key**. Click **SAVE.**![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1783008252521.png)
3. Navigate to a **Designer Folder**, click **CREATE FLOW,** select **Flow** and click **CREATE.**
4. Click the **Done** path on the **Start** step. Navigate to **All Steps [Catalog] > Integration > Foreign Exchange** and select **Get Conversion Rate**. Click **ADD.**
5. Select **Unknown** next to **From** field under the **Inputs** category and select **Constant**. Enter "**USD**" in the From field and map the **To** field as a **Constant** and enter "**EUR**".
6. Click the Done path and add the **Do Conversion** step. Enter "100" in the **Amount** field, "USD" in the From field, and "EUR" in the To field.
7. Connect the Done path to the **End** step. Click **Save** to save changes to the Flow.![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1779457426310.png)