diff --git a/internal/handlers/http/customerorder/order.go b/internal/handlers/http/customerorder/order.go
index 70c4627..05d7e98 100644
--- a/internal/handlers/http/customerorder/order.go
+++ b/internal/handlers/http/customerorder/order.go
@@ -255,6 +255,7 @@ func (h *Handler) toOrderDetail(order *entity.Order) *response.OrderDetail {
 		PaymentLink:  paymentLink,
 		PaymentToken: paymentToken,
 		SiteName:     siteName,
+		Fee:          order.Fee,
 	}
 
 	orderDetail.OrderItems = make([]response.OrderDetailItem, len(order.OrderItems))
diff --git a/internal/handlers/response/order.go b/internal/handlers/response/order.go
index a47d79d..1497ca2 100644
--- a/internal/handlers/response/order.go
+++ b/internal/handlers/response/order.go
@@ -179,6 +179,7 @@ type OrderDetail struct {
 	Status       string            `json:"status"`
 	PaymentLink  string            `json:"payment_link"`
 	PaymentToken string            `json:"payment_token"`
+	Fee          float64           `json:"fee"`
 }
 
 type OrderDetailItem struct {