# Sending Requests in Production
source: https://developer.mastercard.com/account-catalog-services/tutorial/production-access/step3/index.md

The [client project](https://developer.mastercard.com/account-catalog-services/documentation/tutorials-and-guides/tutorial-1/index.md), which was created during Sandbox testing, can be reused in production by performing the following steps:

* Placing the production key files in the `src/main/resources` folder.
* Updating the client code with production key details and URL.