Required Products {#wc-req-prerequisites}
=========================================

The Unified Checkout product must be enabled and configured for your merchant ID. See the [*Unified Checkout Developer Guide*](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-intro.md "").  
You must also have a REST Shared Secret Key. See the [*Getting Started with the REST API*](https://developer.cybersource.com/docs/cybs/en-us/platform/developer/all/rest/rest-getting-started/restgs-http-message-intro/restgs-security-key-pair-intro/restgs-security-key-pair-task.md "") guide.