diff --git a/api/v1/serializers/payment.py b/api/v1/serializers/payment.py
index 0d4aec8b..432310d8 100644
--- a/api/v1/serializers/payment.py
+++ b/api/v1/serializers/payment.py
@@ -68,7 +68,6 @@ class PaymentSerializer(serializers.ModelSerializer):
 
 class AuthorBalanceSerializer(serializers.ModelSerializer):
     author = UserSerializer()
-    # payment = PaymentSerializer()
     payment = serializers.SerializerMethodField()
 
     class Meta:
@@ -111,6 +110,40 @@ class AuthorBalanceSerializer(serializers.ModelSerializer):
         return data
 
 
+class PaymentSerializer(serializers.ModelSerializer):
+    user = UserSerializer()
+
+    class Meta:
+        model = Payment
+        fields = BASE_PAYMENT_FIELDS
+        read_only_fields = (
+            'id',
+            'user',
+            'created_at',
+            'update_at',
+        )
+
+    def to_representation(self, instance):
+        if isinstance(instance, CoursePayment):
+            return CoursePaymentSerializer(instance, context=self.context).to_representation(instance)
+        elif isinstance(instance, SchoolPayment):
+            return SchoolPaymentSerializer(instance, context=self.context).to_representation(instance)
+
+
+class CoursePaymentCreateSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = CoursePayment
+        fields = BASE_PAYMENT_FIELDS + ('course',)
+        read_only_fields = (
+            'id',
+            'user',
+            'course',
+            'created_at',
+            'update_at',
+        )
+
+
 class CoursePaymentSerializer(serializers.ModelSerializer):
     user = UserSerializer()
     course = CourseSerializer()
@@ -127,6 +160,24 @@ class CoursePaymentSerializer(serializers.ModelSerializer):
         )
 
 
+class SchoolPaymentCreateSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = SchoolPayment
+        fields = BASE_PAYMENT_FIELDS + (
+            'weekdays',
+            'date_start',
+            'date_end',
+        )
+        read_only_fields = (
+            'id',
+            'user',
+            'course',
+            'created_at',
+            'update_at',
+        )
+
+
 class SchoolPaymentSerializer(serializers.ModelSerializer):
     user = UserSerializer()
 
diff --git a/api/v1/views.py b/api/v1/views.py
index d5dae90d..c161a90d 100644
--- a/api/v1/views.py
+++ b/api/v1/views.py
@@ -34,7 +34,7 @@ from .serializers.payment import (
     AuthorBalanceSerializer, AuthorBalanceCreateSerializer,
     PaymentSerializer, CoursePaymentSerializer,
     SchoolPaymentSerializer,
-)
+    CoursePaymentCreateSerializer, SchoolPaymentCreateSerializer)
 from .serializers.user import (
     AuthorRequestSerializer,
     UserSerializer, UserPhotoSerializer,
@@ -453,7 +453,7 @@ class AuthorRequestViewSet(ExtendedModelViewSet):
     filter_fields = ('status',)
 
 
-class PaymentViewSet(ExtendedModelViewSet):
+class PaymentViewSet(viewsets.ModelViewSet):
     queryset = Payment.objects.all()
     serializer_class = PaymentSerializer
     permission_classes = (IsAdmin,)
@@ -465,6 +465,18 @@ class PaymentViewSet(ExtendedModelViewSet):
     )
     search_fields = ('user__email', 'user__first_name', 'user__last_name',)
 
+    def get_serializer(self, instance, *args, **kwargs):
+        print('instance', type(instance), self.action)
+        serializer_class = self.get_serializer_class()
+        if 'update' in self.action:
+            if isinstance(instance, CoursePayment):
+                serializer_class = CoursePaymentCreateSerializer
+            elif isinstance(instance, SchoolPayment):
+                serializer_class = SchoolPaymentCreateSerializer
+        print('serializer_class', serializer_class)
+        kwargs['context'] = self.get_serializer_context()
+        return serializer_class(instance, *args, **kwargs)
+
     def get_queryset(self):
         queryset = self.queryset
         course = self.request.query_params.get('course')