Products AdWords API Guides Revision History - Products and Services Categories This page lists changes and documentation updates for the AdWords API Products and Services Categories page. Subscribe to this changelog. February 23, 2016 Launch of RSS feed. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated January 25, 2019.