# Reference App
source: https://developer.mastercard.com/eligibility-api/documentation/reference-app/index.md

## Overview {#overview}

The reference application is a simple Spring Boot Application that shows a typical usage of the Benefits Eligibility Service APIs and how to integrate different operations in the Sandbox environment. You can either reuse or take code references for your implementation.
> **What you will learn**
>
> * How to use the reference application
> * How to configure your application for the Sandbox and the Production environments
> * How to test your application

## Prerequisites {#prerequisites}

* [Java 8](https://www.java.com/en/) or higher installed and configured in your system
* [Maven 3.6](https://maven.apache.org/) or higher installed and configured in your system
* [Intellij IDEA](https://www.jetbrains.com/idea/) (or any other IDE of your choice) installed and configured in your system

## Technologies Used {#technologies-used}

* [Spring Boot](https://spring.io/projects/spring-boot)
* [Apache Maven](https://maven.apache.org/)
* [Open API Generator](https://openapi-generator.tech/)

## Get the Source Code {#get-the-source-code}

Download the source code of eligibility-reference-app -

[eligibility-reference-app.zip](https://static.developer.mastercard.com/content/eligibility-api/uploads/eligibility-reference-app.zip) (133KB)

Follow the steps mentioned in the README.md file (available in the root directory of the application) to configure and run the application.