# Reference App
source: https://developer.mastercard.com/account-catalog-services/documentation/reference-app/index.md

## Overview {#overview}

The reference application is a simple Spring Boot Application that shows a typical usage of the Account Catalog Services APIs and how to integrate different operations in the Sandbox environment. You can either reuse or take code references for your implementation.

## Technologies Used {#technologies-used}

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

> #### 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

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

To interact with our reference implementation materials, download the zip file applicable to following API services:

|                 API service                  |                                                                                    Reference application                                                                                     |
|----------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Account Catalog Services API                 | [acs-submission-reference-app.zip](https://static.developer.mastercard.com/content/account-catalog-services/uploads/reference-app/acs-submission-reference-app.zip) (23KB)                   |
| Account Catalog Services Detail Response API | [acs-detail-response-api-reference-app.zip](https://static.developer.mastercard.com/content/account-catalog-services/uploads/reference-app/acs-detail-response-api-reference-app.zip) (26KB) |
| Account Range Enablement API                 | [are-submission-reference-app.zip](https://static.developer.mastercard.com/content/account-catalog-services/uploads/reference-app/are-submission-reference-app.zip) (24KB)                   |

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