diff --git a/external/billing/schemas.py b/external/billing/schemas.py
index a41a524..002238c 100644
--- a/external/billing/schemas.py
+++ b/external/billing/schemas.py
@@ -1,5 +1,5 @@
 import re
-from typing import List
+from typing import List, Optional
 
 from pydantic import field_validator
 
@@ -62,7 +62,7 @@ class NotifyReceivedBillRequestSchema(BaseSchema):
 
 class CreateBillingResponseSchema(BaseSchema):
     ok: bool
-
+    message:Optional[str]
 
 class NotifyReceivedBillResponseSchema(BaseSchema):
     ok: bool
diff --git a/services/billing.py b/services/billing.py
index d36b016..c1e7c0f 100644
--- a/services/billing.py
+++ b/services/billing.py
@@ -154,6 +154,9 @@ class BillingService(BaseService):
             billing_request_values: List[CreateBillingRequestValue] = []
 
             for service in services.values():
+                # Omit services that have no price
+                if not service.price:
+                    continue
                 billing_request_values.append(
                     CreateBillingRequestValue(
                         name=service.name,
@@ -178,7 +181,7 @@ class BillingService(BaseService):
             )
             create_bill_response = await billing_client.create(create_bill_request)
             if not create_bill_response.ok:
-                return CreateCardBillResponse(ok=create_bill_response.ok, message='Ошибка!')
+                return CreateCardBillResponse(ok=create_bill_response.ok, message=create_bill_response.message or 'Неизвестная ошибка')
 
             if basic_card.group:
                 await self.create_group_bill_request(basic_card.group)