diff --git a/internal/web_server/handlers/notification_handler.go b/internal/web_server/handlers/notification_handler.go
index 9f98cc7..f659d8e 100644
--- a/internal/web_server/handlers/notification_handler.go
+++ b/internal/web_server/handlers/notification_handler.go
@@ -727,6 +727,9 @@ func (h *Handler) RegisterDeviceToken(c *fiber.Ctx) error {
 func (h *Handler) SendTestPushNotification(c *fiber.Ctx) error {
 	title := c.FormValue("title", "Test Push Notification")
 	message := c.FormValue("message", "This is a test push notification from Yimaru Backend")
+	h.mongoLoggerSvc.Info("FCM_SERVICE_ACCOUNT_KEY value during test-push call",
+		zap.String("fcm_service_account_key", h.Cfg.FCMServiceAccountKey),
+	)
 
 	userID, ok := c.Locals("user_id").(int64)
 	if !ok || userID == 0 {