diff --git a/modules/openapi-generator/src/main/resources/python/python-experimental/__init__api.mustache b/modules/openapi-generator/src/main/resources/python/python-experimental/__init__api.mustache
index 1d37d339514..8a9e6b91b95 100644
--- a/modules/openapi-generator/src/main/resources/python/python-experimental/__init__api.mustache
+++ b/modules/openapi-generator/src/main/resources/python/python-experimental/__init__api.mustache
@@ -1,3 +1,9 @@
+{{#apiInfo}}
+{{#apis}}
+{{#-first}}
 # do not import all apis into this module because that uses a lot of memory and stack frames
 # if you need the ability to import all apis from one package, import them with
-# from {{packageName}.apis import DefaultApi, PetApi
\ No newline at end of file
+# from {{packageName}}.apis import {{classname}}
+{{/-first}}
+{{/apis}}
+{{/apiInfo}}
diff --git a/modules/openapi-generator/src/main/resources/python/python-experimental/__init__apis.mustache b/modules/openapi-generator/src/main/resources/python/python-experimental/__init__apis.mustache
index da3937f8c54..32d101a97d1 100644
--- a/modules/openapi-generator/src/main/resources/python/python-experimental/__init__apis.mustache
+++ b/modules/openapi-generator/src/main/resources/python/python-experimental/__init__apis.mustache
@@ -1,3 +1,6 @@
+{{#apiInfo}}
+{{#apis}}
+{{#-first}}
 # coding: utf-8
 
 # flake8: noqa
@@ -7,7 +10,7 @@
 # raise a `RecursionError`.
 # In order to avoid this, import only the API that you directly need like:
 #
-#   from {{packagename}}.api.pet_api import PetApi
+#   from {{packagename}}.api.{{classVarName}} import {{classname}}
 #
 # or import this package, but before doing it, use:
 #
@@ -15,8 +18,7 @@
 #   sys.setrecursionlimit(n)
 
 # Import APIs into API package:
-{{#apiInfo}}
-{{#apis}}
+{{/-first}}
 from {{apiPackage}}.{{classVarName}} import {{classname}}
 {{/apis}}
 {{/apiInfo}}
diff --git a/modules/openapi-generator/src/main/resources/python/python-experimental/api_client.mustache b/modules/openapi-generator/src/main/resources/python/python-experimental/api_client.mustache
index de4e2d478e0..fd3d0b8a200 100644
--- a/modules/openapi-generator/src/main/resources/python/python-experimental/api_client.mustache
+++ b/modules/openapi-generator/src/main/resources/python/python-experimental/api_client.mustache
@@ -750,11 +750,13 @@ class Endpoint(object):
     def __call__(self, *args, **kwargs):
         """ This method is invoked when endpoints are called
         Example:
-        pet_api = PetApi()
-        pet_api.add_pet  # this is an instance of the class Endpoint
-        pet_api.add_pet()  # this invokes pet_api.add_pet.__call__()
+{{#apiInfo}}{{#apis}}{{#-first}}{{#operations}}{{#operation}}{{#-first}}
+        api_instance = {{classname}}()
+        api_instance.{{operationId}}  # this is an instance of the class Endpoint
+        api_instance.{{operationId}}()  # this invokes api_instance.{{operationId}}.__call__()
         which then invokes the callable functions stored in that endpoint at
-        pet_api.add_pet.callable or self.callable in this class
+        api_instance.{{operationId}}.callable or self.callable in this class
+{{/-first}}{{/operation}}{{/operations}}{{/-first}}{{/apis}}{{/apiInfo}}
         """
         return self.callable(self, *args, **kwargs)
 
diff --git a/samples/client/petstore/python-experimental/petstore_api/api/__init__.py b/samples/client/petstore/python-experimental/petstore_api/api/__init__.py
index 1d37d339514..840e9f0cd90 100644
--- a/samples/client/petstore/python-experimental/petstore_api/api/__init__.py
+++ b/samples/client/petstore/python-experimental/petstore_api/api/__init__.py
@@ -1,3 +1,3 @@
 # do not import all apis into this module because that uses a lot of memory and stack frames
 # if you need the ability to import all apis from one package, import them with
-# from {{packageName}.apis import DefaultApi, PetApi
\ No newline at end of file
+# from petstore_api.apis import AnotherFakeApi
diff --git a/samples/client/petstore/python-experimental/petstore_api/api_client.py b/samples/client/petstore/python-experimental/petstore_api/api_client.py
index d8d39c50433..11aa326965b 100644
--- a/samples/client/petstore/python-experimental/petstore_api/api_client.py
+++ b/samples/client/petstore/python-experimental/petstore_api/api_client.py
@@ -729,11 +729,13 @@ class Endpoint(object):
     def __call__(self, *args, **kwargs):
         """ This method is invoked when endpoints are called
         Example:
-        pet_api = PetApi()
-        pet_api.add_pet  # this is an instance of the class Endpoint
-        pet_api.add_pet()  # this invokes pet_api.add_pet.__call__()
+
+        api_instance = AnotherFakeApi()
+        api_instance.call_123_test_special_tags  # this is an instance of the class Endpoint
+        api_instance.call_123_test_special_tags()  # this invokes api_instance.call_123_test_special_tags.__call__()
         which then invokes the callable functions stored in that endpoint at
-        pet_api.add_pet.callable or self.callable in this class
+        api_instance.call_123_test_special_tags.callable or self.callable in this class
+
         """
         return self.callable(self, *args, **kwargs)
 
diff --git a/samples/client/petstore/python-experimental/petstore_api/apis/__init__.py b/samples/client/petstore/python-experimental/petstore_api/apis/__init__.py
index 2dda59f02ea..278ce6b70bd 100644
--- a/samples/client/petstore/python-experimental/petstore_api/apis/__init__.py
+++ b/samples/client/petstore/python-experimental/petstore_api/apis/__init__.py
@@ -7,7 +7,7 @@
 # raise a `RecursionError`.
 # In order to avoid this, import only the API that you directly need like:
 #
-#   from .api.pet_api import PetApi
+#   from .api.another_fake_api import AnotherFakeApi
 #
 # or import this package, but before doing it, use:
 #
diff --git a/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/api/__init__.py b/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/api/__init__.py
index 1d37d339514..d5440bc8148 100644
--- a/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/api/__init__.py
+++ b/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/api/__init__.py
@@ -1,3 +1,3 @@
 # do not import all apis into this module because that uses a lot of memory and stack frames
 # if you need the ability to import all apis from one package, import them with
-# from {{packageName}.apis import DefaultApi, PetApi
\ No newline at end of file
+# from x_auth_id_alias.apis import UsageApi
diff --git a/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/api_client.py b/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/api_client.py
index 9f3792c96b7..f99907a757f 100644
--- a/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/api_client.py
+++ b/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/api_client.py
@@ -729,11 +729,13 @@ class Endpoint(object):
     def __call__(self, *args, **kwargs):
         """ This method is invoked when endpoints are called
         Example:
-        pet_api = PetApi()
-        pet_api.add_pet  # this is an instance of the class Endpoint
-        pet_api.add_pet()  # this invokes pet_api.add_pet.__call__()
+
+        api_instance = UsageApi()
+        api_instance.any_key  # this is an instance of the class Endpoint
+        api_instance.any_key()  # this invokes api_instance.any_key.__call__()
         which then invokes the callable functions stored in that endpoint at
-        pet_api.add_pet.callable or self.callable in this class
+        api_instance.any_key.callable or self.callable in this class
+
         """
         return self.callable(self, *args, **kwargs)
 
diff --git a/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/apis/__init__.py b/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/apis/__init__.py
index c1333f3c2ad..de191957909 100644
--- a/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/apis/__init__.py
+++ b/samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/x_auth_id_alias/apis/__init__.py
@@ -7,7 +7,7 @@
 # raise a `RecursionError`.
 # In order to avoid this, import only the API that you directly need like:
 #
-#   from .api.pet_api import PetApi
+#   from .api.usage_api import UsageApi
 #
 # or import this package, but before doing it, use:
 #
diff --git a/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/api/__init__.py b/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/api/__init__.py
index 1d37d339514..9148df5be49 100644
--- a/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/api/__init__.py
+++ b/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/api/__init__.py
@@ -1,3 +1,3 @@
 # do not import all apis into this module because that uses a lot of memory and stack frames
 # if you need the ability to import all apis from one package, import them with
-# from {{packageName}.apis import DefaultApi, PetApi
\ No newline at end of file
+# from dynamic_servers.apis import UsageApi
diff --git a/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/api_client.py b/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/api_client.py
index c7a8c3070aa..6e7150a6d1a 100644
--- a/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/api_client.py
+++ b/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/api_client.py
@@ -729,11 +729,13 @@ class Endpoint(object):
     def __call__(self, *args, **kwargs):
         """ This method is invoked when endpoints are called
         Example:
-        pet_api = PetApi()
-        pet_api.add_pet  # this is an instance of the class Endpoint
-        pet_api.add_pet()  # this invokes pet_api.add_pet.__call__()
+
+        api_instance = UsageApi()
+        api_instance.custom_server  # this is an instance of the class Endpoint
+        api_instance.custom_server()  # this invokes api_instance.custom_server.__call__()
         which then invokes the callable functions stored in that endpoint at
-        pet_api.add_pet.callable or self.callable in this class
+        api_instance.custom_server.callable or self.callable in this class
+
         """
         return self.callable(self, *args, **kwargs)
 
diff --git a/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/apis/__init__.py b/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/apis/__init__.py
index 74230e156de..6bd9b9a956a 100644
--- a/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/apis/__init__.py
+++ b/samples/openapi3/client/features/dynamic-servers/python-experimental/dynamic_servers/apis/__init__.py
@@ -7,7 +7,7 @@
 # raise a `RecursionError`.
 # In order to avoid this, import only the API that you directly need like:
 #
-#   from .api.pet_api import PetApi
+#   from .api.usage_api import UsageApi
 #
 # or import this package, but before doing it, use:
 #
diff --git a/samples/openapi3/client/petstore/python-experimental/petstore_api/api/__init__.py b/samples/openapi3/client/petstore/python-experimental/petstore_api/api/__init__.py
index 1d37d339514..840e9f0cd90 100644
--- a/samples/openapi3/client/petstore/python-experimental/petstore_api/api/__init__.py
+++ b/samples/openapi3/client/petstore/python-experimental/petstore_api/api/__init__.py
@@ -1,3 +1,3 @@
 # do not import all apis into this module because that uses a lot of memory and stack frames
 # if you need the ability to import all apis from one package, import them with
-# from {{packageName}.apis import DefaultApi, PetApi
\ No newline at end of file
+# from petstore_api.apis import AnotherFakeApi
diff --git a/samples/openapi3/client/petstore/python-experimental/petstore_api/api_client.py b/samples/openapi3/client/petstore/python-experimental/petstore_api/api_client.py
index 543569a3afd..ac0fb625b16 100644
--- a/samples/openapi3/client/petstore/python-experimental/petstore_api/api_client.py
+++ b/samples/openapi3/client/petstore/python-experimental/petstore_api/api_client.py
@@ -736,11 +736,13 @@ class Endpoint(object):
     def __call__(self, *args, **kwargs):
         """ This method is invoked when endpoints are called
         Example:
-        pet_api = PetApi()
-        pet_api.add_pet  # this is an instance of the class Endpoint
-        pet_api.add_pet()  # this invokes pet_api.add_pet.__call__()
+
+        api_instance = AnotherFakeApi()
+        api_instance.call_123_test_special_tags  # this is an instance of the class Endpoint
+        api_instance.call_123_test_special_tags()  # this invokes api_instance.call_123_test_special_tags.__call__()
         which then invokes the callable functions stored in that endpoint at
-        pet_api.add_pet.callable or self.callable in this class
+        api_instance.call_123_test_special_tags.callable or self.callable in this class
+
         """
         return self.callable(self, *args, **kwargs)
 
diff --git a/samples/openapi3/client/petstore/python-experimental/petstore_api/apis/__init__.py b/samples/openapi3/client/petstore/python-experimental/petstore_api/apis/__init__.py
index 27522f8152a..5a98862bba0 100644
--- a/samples/openapi3/client/petstore/python-experimental/petstore_api/apis/__init__.py
+++ b/samples/openapi3/client/petstore/python-experimental/petstore_api/apis/__init__.py
@@ -7,7 +7,7 @@
 # raise a `RecursionError`.
 # In order to avoid this, import only the API that you directly need like:
 #
-#   from .api.pet_api import PetApi
+#   from .api.another_fake_api import AnotherFakeApi
 #
 # or import this package, but before doing it, use:
 #