diff --git a/finance/serializers.py b/finance/serializers.py
index 71c468a..70f6367 100644
--- a/finance/serializers.py
+++ b/finance/serializers.py
@@ -1,6 +1,6 @@
 from rest_framework import serializers
 
-from finance.models import Bill, Invoice
+from finance.models import Bill, Invoice, Payment
 
 
 class BillSerializer(serializers.ModelSerializer):
@@ -9,7 +9,7 @@ class BillSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Bill
-        exclude = ('yandex_pay',)
+        exclude = '__all__'
 
     @staticmethod
     def get_user(self):
@@ -25,3 +25,10 @@ class InvoiceSerializer(serializers.ModelSerializer):
     class Meta:
         model = Invoice
         exclude = ('bill', )
+
+
+class PaymentSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = Payment
+        exclude = '__all__'
diff --git a/finance/signals.py b/finance/signals.py
index 78a88e5..e6df77f 100644
--- a/finance/signals.py
+++ b/finance/signals.py
@@ -3,10 +3,11 @@ from django.db.models.signals import pre_save
 from django.dispatch import receiver
 
 from finance.models import Invoice
+from finance.serializers import PaymentSerializer
 
 
 @receiver(pre_save, sender=Invoice)
 def delete_dependencies(instance, **kwargs):
     """Отправка сообщения после сохранения платежа"""
     if instance.yandex_pay and instance.method == 'Y' and instance.status == 'P':
-        send_to_yandex.delay(instance.yandex_pay)
+        send_to_yandex.delay(PaymentSerializer(instance.yandex_pay).data)