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

## Overview {#overview}

This reference application guides you through the process of connecting to the Consumer Clarity API using JAVA. You'll build an application that can make an API call to the Consumer Clarity service, and retrieve details about a specific merchant and transaction.

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

The reference application is explained in-depth in the following tutorial. You can also download a zip file of the source code.

|                                                                                           Item                                                                                           |                       Description                       |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------|
| [consumer-clarity-reference-1.0.0-SNAPSHOT-dist.zip](https://static.developer.mastercard.com/content/consumer-clarity/uploads/consumer-clarity-reference-1.0.0-SNAPSHOT-dist.zip) (42KB) | Downloadable reference application source code zip file |
| [Reference Application Tutorial](https://developer.mastercard.com/consumer-clarity/documentation/tutorials-and-guides/reference-app-tutorial/index.md)                                   | An in-depth explanation of the reference app            |