YouTube ActionScript 2.0 Player API Reference The YouTube ActionScript 2.0 Player API was officially deprecated on October 14, 2009. Please migrate your applications to use either the Flash (AS3) Player API or the IFrame Player API instead. 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. Last updated May 23, 2015.