diff --git a/apps/pg/serializers.py b/apps/pg/serializers.py
index c215089..5f059c6 100644
--- a/apps/pg/serializers.py
+++ b/apps/pg/serializers.py
@@ -15,6 +15,7 @@ class ChargeRequestSerializer(serializers.ModelSerializer):
             "state",
             'amount',
             'updated_at',
+            'callback_url',
         )
 
         read_only_fields = ['uuid', 'user','updated_at', 'state', 'created_at']