# Reference Application
source: https://developer.mastercard.com/enhanced-currency-conversion-calculator/documentation/reference-app/index.md

Apart from calling Enhanced Currency Conversion API using Insomnia Tool, We have created a reference application (Java) that demonstrates how to connect \& call Enhanced Currency Conversion API services.

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

Reference Application for Enhanced Currency Conversion Calculator API is available below:
[enhanced-conversion-reference-app.zip](https://static.developer.mastercard.com/content/enhanced-currency-conversion-calculator/uploads/enhanced-conversion-reference-app.zip) (210KB) Note: The Reference Application built is for reference purposes only. Your production application does not need to function the same way.