diff --git a/modules/openapi-generator/src/main/resources/python/configuration.mustache b/modules/openapi-generator/src/main/resources/python/configuration.mustache
index b29c831e2de2..db0afd15517c 100644
--- a/modules/openapi-generator/src/main/resources/python/configuration.mustache
+++ b/modules/openapi-generator/src/main/resources/python/configuration.mustache
@@ -761,7 +761,8 @@ conf = {{{packageName}}}.Configuration(
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/configuration.py b/samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/configuration.py
index 9aad2e28787b..848539a45392 100644
--- a/samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/configuration.py
+++ b/samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/configuration.py
@@ -519,7 +519,8 @@ def get_api_key_with_prefix(self, identifier: str, alias: Optional[str]=None) ->
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/samples/client/echo_api/python/openapi_client/configuration.py b/samples/client/echo_api/python/openapi_client/configuration.py
index 9aad2e28787b..848539a45392 100644
--- a/samples/client/echo_api/python/openapi_client/configuration.py
+++ b/samples/client/echo_api/python/openapi_client/configuration.py
@@ -519,7 +519,8 @@ def get_api_key_with_prefix(self, identifier: str, alias: Optional[str]=None) ->
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/samples/client/others/python-legacy-model-dictionaries/legacy_model_dict_client/configuration.py b/samples/client/others/python-legacy-model-dictionaries/legacy_model_dict_client/configuration.py
index 2f515034b219..96f087a0c127 100644
--- a/samples/client/others/python-legacy-model-dictionaries/legacy_model_dict_client/configuration.py
+++ b/samples/client/others/python-legacy-model-dictionaries/legacy_model_dict_client/configuration.py
@@ -499,7 +499,8 @@ def get_api_key_with_prefix(self, identifier: str, alias: Optional[str]=None) ->
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/samples/openapi3/client/petstore/python-aiohttp/petstore_api/configuration.py b/samples/openapi3/client/petstore/python-aiohttp/petstore_api/configuration.py
index 84c124fbd0c2..38f5a69aeef3 100644
--- a/samples/openapi3/client/petstore/python-aiohttp/petstore_api/configuration.py
+++ b/samples/openapi3/client/petstore/python-aiohttp/petstore_api/configuration.py
@@ -613,7 +613,8 @@ def get_api_key_with_prefix(self, identifier: str, alias: Optional[str]=None) ->
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/samples/openapi3/client/petstore/python-httpx-sync/petstore_api/configuration.py b/samples/openapi3/client/petstore/python-httpx-sync/petstore_api/configuration.py
index b23acfc4cdf1..cefa6fa3a1f9 100644
--- a/samples/openapi3/client/petstore/python-httpx-sync/petstore_api/configuration.py
+++ b/samples/openapi3/client/petstore/python-httpx-sync/petstore_api/configuration.py
@@ -575,7 +575,8 @@ def get_api_key_with_prefix(self, identifier: str, alias: Optional[str]=None) ->
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/samples/openapi3/client/petstore/python-httpx/petstore_api/configuration.py b/samples/openapi3/client/petstore/python-httpx/petstore_api/configuration.py
index b23acfc4cdf1..cefa6fa3a1f9 100644
--- a/samples/openapi3/client/petstore/python-httpx/petstore_api/configuration.py
+++ b/samples/openapi3/client/petstore/python-httpx/petstore_api/configuration.py
@@ -575,7 +575,8 @@ def get_api_key_with_prefix(self, identifier: str, alias: Optional[str]=None) ->
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/samples/openapi3/client/petstore/python-lazyImports/petstore_api/configuration.py b/samples/openapi3/client/petstore/python-lazyImports/petstore_api/configuration.py
index a25a4aa05cb1..f38713f1cfc0 100644
--- a/samples/openapi3/client/petstore/python-lazyImports/petstore_api/configuration.py
+++ b/samples/openapi3/client/petstore/python-lazyImports/petstore_api/configuration.py
@@ -597,7 +597,8 @@ def get_api_key_with_prefix(self, identifier: str, alias: Optional[str]=None) ->
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else:
diff --git a/samples/openapi3/client/petstore/python/petstore_api/configuration.py b/samples/openapi3/client/petstore/python/petstore_api/configuration.py
index 74e89e0946f4..8e3b6590b385 100755
--- a/samples/openapi3/client/petstore/python/petstore_api/configuration.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/configuration.py
@@ -593,7 +593,8 @@ def get_api_key_with_prefix(self, identifier: str, alias: Optional[str]=None) ->
             self.refresh_api_key_hook(self)
         key = self.api_key.get(identifier, self.api_key.get(alias) if alias is not None else None)
         if key:
-            prefix = self.api_key_prefix.get(identifier)
+            prefix = self.api_key_prefix.get(
+                identifier, self.api_key_prefix.get(alias) if alias is not None else None)
             if prefix:
                 return "%s %s" % (prefix, key)
             else: