diff --git a/plugins/libplugin.c b/plugins/libplugin.c
index 384acc0e2..8bdb79b29 100644
--- a/plugins/libplugin.c
+++ b/plugins/libplugin.c
@@ -1032,6 +1032,25 @@ static void plugin_logv(struct plugin *p, enum log_level l,
 	jsonrpc_finish_and_send(p, js);
 }
 
+struct json_stream *plugin_notification_start(struct plugin *plugin,
+					      const char *method)
+{
+	struct json_stream *js = new_json_stream(plugin, NULL, NULL);
+
+	json_object_start(js, NULL);
+	json_add_string(js, "jsonrpc", "2.0");
+	json_add_string(js, "method", method);
+
+	json_object_start(js, "params");
+	return js;
+}
+void plugin_notification_end(struct plugin *plugin,
+			     struct json_stream *stream)
+{
+	json_object_end(stream);
+	jsonrpc_finish_and_send(plugin, stream);
+}
+
 struct json_stream *plugin_notify_start(struct command *cmd, const char *method)
 {
 	struct json_stream *js = new_json_stream(cmd, NULL, NULL);
diff --git a/plugins/libplugin.h b/plugins/libplugin.h
index 99840da39..fb18eb3e8 100644
--- a/plugins/libplugin.h
+++ b/plugins/libplugin.h
@@ -246,6 +246,13 @@ void plugin_log(struct plugin *p, enum log_level l, const char *fmt, ...) PRINTF
 struct json_stream *plugin_notify_start(struct command *cmd, const char *method);
 void plugin_notify_end(struct command *cmd, struct json_stream *js);
 
+/* Send a notification for a custom notification topic. These are sent
+ * to lightningd and distributed to subscribing plugins. */
+struct json_stream *plugin_notification_start(struct plugin *plugins,
+					      const char *method);
+void plugin_notification_end(struct plugin *plugin,
+			     struct json_stream *stream TAKES);
+
 /* Convenience wrapper for notify "message" */
 void plugin_notify_message(struct command *cmd,
 			   enum log_level level,