--- /dev/null
+<?php
+
+/**
+* Instagram PHP
+* @author Galen Grover <galenjr@gmail.com>
+* @license http://opensource.org/licenses/mit-license.php The MIT License
+*/
+
+namespace Instagram\Core;
+
+/**
+ * API Auth Exception
+ *
+ * This exception type will be thrown if the access token you are using is no longer valid.
+ *
+ * {@link https://github.com/galen/PHP-Instagram-API/blob/master/Examples/index.php#L39}
+ */
+class ApiAuthException extends \Instagram\Core\ApiException {}
\ No newline at end of file