diff --git a/source/api/actions/meta_ping.ts b/source/api/actions/meta_ping.ts
new file mode 100644
index 0000000..62f7681
--- /dev/null
+++ b/source/api/actions/meta_ping.ts
@@ -0,0 +1,54 @@
+/*
+Espe | Ein schlichtes Werkzeug zur Mitglieder-Verwaltung | Backend
+Copyright (C) 2024 Christian Fraß
+
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public 
+License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later 
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied 
+warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program. If not, see 
+<https://www.gnu.org/licenses/>. 
+ */
+
+namespace _espe.api
+{
+	
+	/**
+	 */
+	export function register_meta_ping(
+		rest_subject : lib_plankton.rest.type_rest
+	) : void
+	{
+		lib_plankton.rest.register<
+			null,
+			string
+		>
+		(
+			rest_subject,
+			lib_plankton.http.enum_method.get,
+			_espe.conf.get().server.path_base + "/meta/ping",
+			{
+				"description": "sendet ein 'pong' zurück; gedacht um die Erreichbarkeit des Backends zu prüfen",
+				"input_schema": () => ({
+					"nullable": true,
+				}),
+				"output_schema": () => ({
+					"nullable": false,
+					"type": "string",
+				}),
+				"restriction": restriction_none,
+				"execution": () => {
+					return Promise.resolve({
+						"status_code": 200,
+						"data": "pong",
+					});
+				},
+			}
+		);
+	}
+	
+}
+
diff --git a/source/api/functions.ts b/source/api/functions.ts
index 05912a9..8ae3427 100644
--- a/source/api/functions.ts
+++ b/source/api/functions.ts
@@ -35,6 +35,7 @@ namespace _espe.api
 		);
 		// meta
 		{
+			_espe.api.register_meta_ping(rest_subject);
 			_espe.api.register_meta_spec(rest_subject);
 		}
 		// session
diff --git a/todo.md b/todo.md
index d0df3e1..e0653eb 100644
--- a/todo.md
+++ b/todo.md
@@ -1,5 +1,4 @@
 # ToDo
 
-- ping/echo-Aktion
 - Übersetzungen
 
diff --git a/tools/makefile b/tools/makefile
index 05e594f..671b6e1 100644
--- a/tools/makefile
+++ b/tools/makefile
@@ -51,6 +51,7 @@ ${dir_temp}/espe-core.js ${dir_temp}/espe-core.d.ts: \
 		${dir_source}/services/member.ts \
 		${dir_source}/service-admin.ts \
 		${dir_source}/api/base.ts \
+		${dir_source}/api/actions/meta_ping.ts \
 		${dir_source}/api/actions/meta_spec.ts \
 		${dir_source}/api/actions/session_begin.ts \
 		${dir_source}/api/actions/session_end.ts \