diff --git a/internal/interface/controller/http/cart_client/controllers.go b/internal/interface/controller/http/cart_client/controllers.go
index c190695..5bb96fd 100644
--- a/internal/interface/controller/http/cart_client/controllers.go
+++ b/internal/interface/controller/http/cart_client/controllers.go
@@ -135,6 +135,10 @@ func (receiver *CartController) Pay(ctx *fiber.Ctx) error {
 
 	receiver.logger.Info("account for pay", zap.Any("acc", account))
 
+	if len(account.Cart) == 0 {
+		return ctx.Status(fiber.StatusNotAcceptable).SendString("cart is empty")
+	}
+
 	tariffs, err := receiver.hubAdminClient.GetTariffs(ctx.Context(), accessToken, account.Cart)
 	if err != nil {
 		return receiver.middleWare.ErrorOld(ctx, err)