diff --git a/index.php b/index.php
index f535bcc0d..46b95c75e 100644
--- a/index.php
+++ b/index.php
@@ -353,7 +353,7 @@ if ($a->module_loaded) {
 
 	// "rawContent" is especially meant for technical endpoints.
 	// This endpoint doesn't need any theme initialization or other comparable stuff.
-	if (!$a->error && $a->module_class && method_exists($a->module_class, 'rawContent')) {
+	if (!$a->error && $a->module_class) {
 		call_user_func([$a->module_class, 'rawContent']);
 	}
 
diff --git a/src/BaseModule.php b/src/BaseModule.php
index 3ad4a4f05..1da9397a7 100644
--- a/src/BaseModule.php
+++ b/src/BaseModule.php
@@ -21,7 +21,16 @@ abstract class BaseModule extends BaseObject
 	 */
 	public static function init()
 	{
+	}
 
+	/**
+	 * @brief Module GET method to display raw content from technical endpoints
+	 *
+	 * Extend this method if the module is supposed to return communication data,
+	 * e.g. from protocol implementations.
+	 */
+	public static function rawContent()
+	{
 	}
 
 	/**