Request URL can be set in HTTP_Request2 constructor or via HTTP_Request2::setUrl() method. Both of these accept either a string or an instance of Net_URL2. URL is stored internally as an instance of Net_URL2 that can be accessed via HTTP_Request2::getUrl(). GET request parameters can be added to URL via Net_URL2::setQueryVariable() and Net_URL2::setQueryVariables(): <?php // Explicitly set request