diff --git a/lib/data/models/request/payment_request.dart b/lib/data/models/request/payment_request.dart
index c27372d..37f6e55 100644
--- a/lib/data/models/request/payment_request.dart
+++ b/lib/data/models/request/payment_request.dart
@@ -100,10 +100,13 @@ class PaymentSplitBillRequest {
     Map<String, dynamic> data = {
       'order_id': orderId,
       'payment_method_id': paymentMethodId,
-      'customer_id': customerId,
       'type': type,
     };
 
+    if (customerId.isNotEmpty) {
+      data['customer_id'] = customerId;
+    }
+
     if (type == "AMOUNT") {
       data['amount'] = amount;
     }