diff --git a/services/serverbackup/src/stackit/serverbackup/__init__.py b/services/serverbackup/src/stackit/serverbackup/__init__.py
index 63eaf90e..d4f9c71d 100644
--- a/services/serverbackup/src/stackit/serverbackup/__init__.py
+++ b/services/serverbackup/src/stackit/serverbackup/__init__.py
@@ -12,61 +12,99 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 
 __version__ = "1.0.0"
 
+# Define package exports
+__all__ = [
+    "DefaultApi",
+    "ApiResponse",
+    "ApiClient",
+    "HostConfiguration",
+    "OpenApiException",
+    "ApiTypeError",
+    "ApiValueError",
+    "ApiKeyError",
+    "ApiAttributeError",
+    "ApiException",
+    "Backup",
+    "BackupJob",
+    "BackupPolicy",
+    "BackupPolicyBackupProperties",
+    "BackupProperties",
+    "BackupSchedule",
+    "BackupVolumeBackupsInner",
+    "CreateBackupPayload",
+    "CreateBackupSchedulePayload",
+    "EnableServiceResourcePayload",
+    "ErrorResponse",
+    "GetBackupPoliciesResponse",
+    "GetBackupSchedulesResponse",
+    "GetBackupServiceResponse",
+    "GetBackupsListResponse",
+    "RestoreBackupPayload",
+    "RestoreVolumeBackupPayload",
+    "UpdateBackupSchedulePayload",
+]
+
 # import apis into sdk package
-from stackit.serverbackup.api.default_api import DefaultApi
-from stackit.serverbackup.api_client import ApiClient
+from stackit.serverbackup.api.default_api import DefaultApi as DefaultApi
+from stackit.serverbackup.api_client import ApiClient as ApiClient
 
 # import ApiClient
-from stackit.serverbackup.api_response import ApiResponse
-from stackit.serverbackup.configuration import HostConfiguration
-from stackit.serverbackup.exceptions import (
-    ApiAttributeError,
-    ApiException,
-    ApiKeyError,
-    ApiTypeError,
-    ApiValueError,
-    OpenApiException,
-)
+from stackit.serverbackup.api_response import ApiResponse as ApiResponse
+from stackit.serverbackup.configuration import HostConfiguration as HostConfiguration
+from stackit.serverbackup.exceptions import ApiAttributeError as ApiAttributeError
+from stackit.serverbackup.exceptions import ApiException as ApiException
+from stackit.serverbackup.exceptions import ApiKeyError as ApiKeyError
+from stackit.serverbackup.exceptions import ApiTypeError as ApiTypeError
+from stackit.serverbackup.exceptions import ApiValueError as ApiValueError
+from stackit.serverbackup.exceptions import OpenApiException as OpenApiException
 
 # import models into sdk package
-from stackit.serverbackup.models.backup import Backup
-from stackit.serverbackup.models.backup_job import BackupJob
-from stackit.serverbackup.models.backup_policy import BackupPolicy
+from stackit.serverbackup.models.backup import Backup as Backup
+from stackit.serverbackup.models.backup_job import BackupJob as BackupJob
+from stackit.serverbackup.models.backup_policy import BackupPolicy as BackupPolicy
 from stackit.serverbackup.models.backup_policy_backup_properties import (
-    BackupPolicyBackupProperties,
+    BackupPolicyBackupProperties as BackupPolicyBackupProperties,
+)
+from stackit.serverbackup.models.backup_properties import (
+    BackupProperties as BackupProperties,
 )
-from stackit.serverbackup.models.backup_properties import BackupProperties
-from stackit.serverbackup.models.backup_schedule import BackupSchedule
+from stackit.serverbackup.models.backup_schedule import BackupSchedule as BackupSchedule
 from stackit.serverbackup.models.backup_volume_backups_inner import (
-    BackupVolumeBackupsInner,
+    BackupVolumeBackupsInner as BackupVolumeBackupsInner,
+)
+from stackit.serverbackup.models.create_backup_payload import (
+    CreateBackupPayload as CreateBackupPayload,
 )
-from stackit.serverbackup.models.create_backup_payload import CreateBackupPayload
 from stackit.serverbackup.models.create_backup_schedule_payload import (
-    CreateBackupSchedulePayload,
+    CreateBackupSchedulePayload as CreateBackupSchedulePayload,
 )
 from stackit.serverbackup.models.enable_service_resource_payload import (
-    EnableServiceResourcePayload,
+    EnableServiceResourcePayload as EnableServiceResourcePayload,
 )
-from stackit.serverbackup.models.error_response import ErrorResponse
+from stackit.serverbackup.models.error_response import ErrorResponse as ErrorResponse
 from stackit.serverbackup.models.get_backup_policies_response import (
-    GetBackupPoliciesResponse,
+    GetBackupPoliciesResponse as GetBackupPoliciesResponse,
 )
 from stackit.serverbackup.models.get_backup_schedules_response import (
-    GetBackupSchedulesResponse,
+    GetBackupSchedulesResponse as GetBackupSchedulesResponse,
 )
 from stackit.serverbackup.models.get_backup_service_response import (
-    GetBackupServiceResponse,
+    GetBackupServiceResponse as GetBackupServiceResponse,
+)
+from stackit.serverbackup.models.get_backups_list_response import (
+    GetBackupsListResponse as GetBackupsListResponse,
+)
+from stackit.serverbackup.models.restore_backup_payload import (
+    RestoreBackupPayload as RestoreBackupPayload,
 )
-from stackit.serverbackup.models.get_backups_list_response import GetBackupsListResponse
-from stackit.serverbackup.models.restore_backup_payload import RestoreBackupPayload
 from stackit.serverbackup.models.restore_volume_backup_payload import (
-    RestoreVolumeBackupPayload,
+    RestoreVolumeBackupPayload as RestoreVolumeBackupPayload,
 )
 from stackit.serverbackup.models.update_backup_schedule_payload import (
-    UpdateBackupSchedulePayload,
+    UpdateBackupSchedulePayload as UpdateBackupSchedulePayload,
 )
diff --git a/services/serverbackup/src/stackit/serverbackup/api/default_api.py b/services/serverbackup/src/stackit/serverbackup/api/default_api.py
index 0926df38..b3ace499 100644
--- a/services/serverbackup/src/stackit/serverbackup/api/default_api.py
+++ b/services/serverbackup/src/stackit/serverbackup/api/default_api.py
@@ -10,11 +10,11 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from typing import Any, Dict, List, Optional, Tuple, Union
 
-from pydantic import Field, StrictFloat, StrictInt, StrictStr, validate_call
+from pydantic import Field, StrictBool, StrictFloat, StrictInt, StrictStr, validate_call
 from stackit.core.configuration import Configuration
 from typing_extensions import Annotated
 
@@ -111,7 +111,7 @@ def create_backup(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._create_backup_serialize(
             project_id=project_id,
@@ -186,7 +186,7 @@ def create_backup_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._create_backup_serialize(
             project_id=project_id,
@@ -261,7 +261,7 @@ def create_backup_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._create_backup_serialize(
             project_id=project_id,
@@ -304,7 +304,7 @@ def _create_backup_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -399,7 +399,7 @@ def create_backup_schedule(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._create_backup_schedule_serialize(
             project_id=project_id,
@@ -473,7 +473,7 @@ def create_backup_schedule_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._create_backup_schedule_serialize(
             project_id=project_id,
@@ -547,7 +547,7 @@ def create_backup_schedule_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._create_backup_schedule_serialize(
             project_id=project_id,
@@ -589,7 +589,7 @@ def _create_backup_schedule_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -643,6 +643,7 @@ def delete_backup(
         server_id: Annotated[StrictStr, Field(description="server id")],
         region: Annotated[StrictStr, Field(description="region")],
         backup_id: Annotated[StrictStr, Field(description="id of the backup")],
+        force: Annotated[Optional[StrictBool], Field(description="force delete the backup")] = None,
         _request_timeout: Union[
             None,
             Annotated[StrictFloat, Field(gt=0)],
@@ -664,6 +665,8 @@ def delete_backup(
         :type region: str
         :param backup_id: id of the backup (required)
         :type backup_id: str
+        :param force: force delete the backup
+        :type force: bool
         :param _request_timeout: timeout setting for this request. If one
                                  number provided, it will be total request
                                  timeout. It can also be a pair (tuple) of
@@ -684,13 +687,14 @@ def delete_backup(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._delete_backup_serialize(
             project_id=project_id,
             server_id=server_id,
             region=region,
             backup_id=backup_id,
+            force=force,
             _request_auth=_request_auth,
             _content_type=_content_type,
             _headers=_headers,
@@ -717,6 +721,7 @@ def delete_backup_with_http_info(
         server_id: Annotated[StrictStr, Field(description="server id")],
         region: Annotated[StrictStr, Field(description="region")],
         backup_id: Annotated[StrictStr, Field(description="id of the backup")],
+        force: Annotated[Optional[StrictBool], Field(description="force delete the backup")] = None,
         _request_timeout: Union[
             None,
             Annotated[StrictFloat, Field(gt=0)],
@@ -738,6 +743,8 @@ def delete_backup_with_http_info(
         :type region: str
         :param backup_id: id of the backup (required)
         :type backup_id: str
+        :param force: force delete the backup
+        :type force: bool
         :param _request_timeout: timeout setting for this request. If one
                                  number provided, it will be total request
                                  timeout. It can also be a pair (tuple) of
@@ -758,13 +765,14 @@ def delete_backup_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._delete_backup_serialize(
             project_id=project_id,
             server_id=server_id,
             region=region,
             backup_id=backup_id,
+            force=force,
             _request_auth=_request_auth,
             _content_type=_content_type,
             _headers=_headers,
@@ -791,6 +799,7 @@ def delete_backup_without_preload_content(
         server_id: Annotated[StrictStr, Field(description="server id")],
         region: Annotated[StrictStr, Field(description="region")],
         backup_id: Annotated[StrictStr, Field(description="id of the backup")],
+        force: Annotated[Optional[StrictBool], Field(description="force delete the backup")] = None,
         _request_timeout: Union[
             None,
             Annotated[StrictFloat, Field(gt=0)],
@@ -812,6 +821,8 @@ def delete_backup_without_preload_content(
         :type region: str
         :param backup_id: id of the backup (required)
         :type backup_id: str
+        :param force: force delete the backup
+        :type force: bool
         :param _request_timeout: timeout setting for this request. If one
                                  number provided, it will be total request
                                  timeout. It can also be a pair (tuple) of
@@ -832,13 +843,14 @@ def delete_backup_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._delete_backup_serialize(
             project_id=project_id,
             server_id=server_id,
             region=region,
             backup_id=backup_id,
+            force=force,
             _request_auth=_request_auth,
             _content_type=_content_type,
             _headers=_headers,
@@ -860,6 +872,7 @@ def _delete_backup_serialize(
         server_id,
         region,
         backup_id,
+        force,
         _request_auth,
         _content_type,
         _headers,
@@ -874,7 +887,7 @@ def _delete_backup_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -887,6 +900,10 @@ def _delete_backup_serialize(
         if backup_id is not None:
             _path_params["backupId"] = backup_id
         # process the query parameters
+        if force is not None:
+
+            _query_params.append(("force", force))
+
         # process the header parameters
         # process the form parameters
         # process the body parameter
@@ -961,7 +978,7 @@ def delete_backup_schedule(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._delete_backup_schedule_serialize(
             project_id=project_id,
@@ -1035,7 +1052,7 @@ def delete_backup_schedule_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._delete_backup_schedule_serialize(
             project_id=project_id,
@@ -1109,7 +1126,7 @@ def delete_backup_schedule_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._delete_backup_schedule_serialize(
             project_id=project_id,
@@ -1151,7 +1168,7 @@ def _delete_backup_schedule_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -1198,6 +1215,7 @@ def delete_volume_backup(
         region: Annotated[StrictStr, Field(description="region")],
         backup_id: Annotated[StrictStr, Field(description="id of the backup")],
         volume_backup_id: Annotated[StrictStr, Field(description="id of the volume backup")],
+        force: Annotated[Optional[StrictBool], Field(description="Force delete the volume backup")] = None,
         _request_timeout: Union[
             None,
             Annotated[StrictFloat, Field(gt=0)],
@@ -1221,6 +1239,8 @@ def delete_volume_backup(
         :type backup_id: str
         :param volume_backup_id: id of the volume backup (required)
         :type volume_backup_id: str
+        :param force: Force delete the volume backup
+        :type force: bool
         :param _request_timeout: timeout setting for this request. If one
                                  number provided, it will be total request
                                  timeout. It can also be a pair (tuple) of
@@ -1241,7 +1261,7 @@ def delete_volume_backup(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._delete_volume_backup_serialize(
             project_id=project_id,
@@ -1249,6 +1269,7 @@ def delete_volume_backup(
             region=region,
             backup_id=backup_id,
             volume_backup_id=volume_backup_id,
+            force=force,
             _request_auth=_request_auth,
             _content_type=_content_type,
             _headers=_headers,
@@ -1276,6 +1297,7 @@ def delete_volume_backup_with_http_info(
         region: Annotated[StrictStr, Field(description="region")],
         backup_id: Annotated[StrictStr, Field(description="id of the backup")],
         volume_backup_id: Annotated[StrictStr, Field(description="id of the volume backup")],
+        force: Annotated[Optional[StrictBool], Field(description="Force delete the volume backup")] = None,
         _request_timeout: Union[
             None,
             Annotated[StrictFloat, Field(gt=0)],
@@ -1299,6 +1321,8 @@ def delete_volume_backup_with_http_info(
         :type backup_id: str
         :param volume_backup_id: id of the volume backup (required)
         :type volume_backup_id: str
+        :param force: Force delete the volume backup
+        :type force: bool
         :param _request_timeout: timeout setting for this request. If one
                                  number provided, it will be total request
                                  timeout. It can also be a pair (tuple) of
@@ -1319,7 +1343,7 @@ def delete_volume_backup_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._delete_volume_backup_serialize(
             project_id=project_id,
@@ -1327,6 +1351,7 @@ def delete_volume_backup_with_http_info(
             region=region,
             backup_id=backup_id,
             volume_backup_id=volume_backup_id,
+            force=force,
             _request_auth=_request_auth,
             _content_type=_content_type,
             _headers=_headers,
@@ -1354,6 +1379,7 @@ def delete_volume_backup_without_preload_content(
         region: Annotated[StrictStr, Field(description="region")],
         backup_id: Annotated[StrictStr, Field(description="id of the backup")],
         volume_backup_id: Annotated[StrictStr, Field(description="id of the volume backup")],
+        force: Annotated[Optional[StrictBool], Field(description="Force delete the volume backup")] = None,
         _request_timeout: Union[
             None,
             Annotated[StrictFloat, Field(gt=0)],
@@ -1377,6 +1403,8 @@ def delete_volume_backup_without_preload_content(
         :type backup_id: str
         :param volume_backup_id: id of the volume backup (required)
         :type volume_backup_id: str
+        :param force: Force delete the volume backup
+        :type force: bool
         :param _request_timeout: timeout setting for this request. If one
                                  number provided, it will be total request
                                  timeout. It can also be a pair (tuple) of
@@ -1397,7 +1425,7 @@ def delete_volume_backup_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._delete_volume_backup_serialize(
             project_id=project_id,
@@ -1405,6 +1433,7 @@ def delete_volume_backup_without_preload_content(
             region=region,
             backup_id=backup_id,
             volume_backup_id=volume_backup_id,
+            force=force,
             _request_auth=_request_auth,
             _content_type=_content_type,
             _headers=_headers,
@@ -1427,6 +1456,7 @@ def _delete_volume_backup_serialize(
         region,
         backup_id,
         volume_backup_id,
+        force,
         _request_auth,
         _content_type,
         _headers,
@@ -1441,7 +1471,7 @@ def _delete_volume_backup_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -1456,6 +1486,10 @@ def _delete_volume_backup_serialize(
         if volume_backup_id is not None:
             _path_params["volumeBackupId"] = volume_backup_id
         # process the query parameters
+        if force is not None:
+
+            _query_params.append(("force", force))
+
         # process the header parameters
         # process the form parameters
         # process the body parameter
@@ -1527,7 +1561,7 @@ def disable_service_resource(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._disable_service_resource_serialize(
             project_id=project_id,
@@ -1597,7 +1631,7 @@ def disable_service_resource_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._disable_service_resource_serialize(
             project_id=project_id,
@@ -1667,7 +1701,7 @@ def disable_service_resource_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._disable_service_resource_serialize(
             project_id=project_id,
@@ -1707,7 +1741,7 @@ def _disable_service_resource_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -1792,7 +1826,7 @@ def enable_service_resource(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._enable_service_resource_serialize(
             project_id=project_id,
@@ -1866,7 +1900,7 @@ def enable_service_resource_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._enable_service_resource_serialize(
             project_id=project_id,
@@ -1940,7 +1974,7 @@ def enable_service_resource_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._enable_service_resource_serialize(
             project_id=project_id,
@@ -1982,7 +2016,7 @@ def _enable_service_resource_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -2077,7 +2111,7 @@ def get_backup(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._get_backup_serialize(
             project_id=project_id,
@@ -2151,7 +2185,7 @@ def get_backup_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._get_backup_serialize(
             project_id=project_id,
@@ -2225,7 +2259,7 @@ def get_backup_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._get_backup_serialize(
             project_id=project_id,
@@ -2267,7 +2301,7 @@ def _get_backup_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -2354,7 +2388,7 @@ def get_backup_schedule(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._get_backup_schedule_serialize(
             project_id=project_id,
@@ -2428,7 +2462,7 @@ def get_backup_schedule_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._get_backup_schedule_serialize(
             project_id=project_id,
@@ -2502,7 +2536,7 @@ def get_backup_schedule_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._get_backup_schedule_serialize(
             project_id=project_id,
@@ -2544,7 +2578,7 @@ def _get_backup_schedule_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -2628,7 +2662,7 @@ def get_service_resource(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._get_service_resource_serialize(
             project_id=project_id,
@@ -2698,7 +2732,7 @@ def get_service_resource_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._get_service_resource_serialize(
             project_id=project_id,
@@ -2768,7 +2802,7 @@ def get_service_resource_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._get_service_resource_serialize(
             project_id=project_id,
@@ -2808,7 +2842,7 @@ def _get_service_resource_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -2884,7 +2918,7 @@ def list_backup_policies(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._list_backup_policies_serialize(
             project_id=project_id,
@@ -2946,7 +2980,7 @@ def list_backup_policies_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._list_backup_policies_serialize(
             project_id=project_id,
@@ -3008,7 +3042,7 @@ def list_backup_policies_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._list_backup_policies_serialize(
             project_id=project_id,
@@ -3044,7 +3078,7 @@ def _list_backup_policies_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -3122,7 +3156,7 @@ def list_backup_schedules(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._list_backup_schedules_serialize(
             project_id=project_id,
@@ -3192,7 +3226,7 @@ def list_backup_schedules_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._list_backup_schedules_serialize(
             project_id=project_id,
@@ -3262,7 +3296,7 @@ def list_backup_schedules_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._list_backup_schedules_serialize(
             project_id=project_id,
@@ -3302,7 +3336,7 @@ def _list_backup_schedules_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -3384,7 +3418,7 @@ def list_backups(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._list_backups_serialize(
             project_id=project_id,
@@ -3454,7 +3488,7 @@ def list_backups_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._list_backups_serialize(
             project_id=project_id,
@@ -3524,7 +3558,7 @@ def list_backups_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._list_backups_serialize(
             project_id=project_id,
@@ -3564,7 +3598,7 @@ def _list_backups_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -3652,7 +3686,7 @@ def restore_backup(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._restore_backup_serialize(
             project_id=project_id,
@@ -3731,7 +3765,7 @@ def restore_backup_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._restore_backup_serialize(
             project_id=project_id,
@@ -3810,7 +3844,7 @@ def restore_backup_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._restore_backup_serialize(
             project_id=project_id,
@@ -3855,7 +3889,7 @@ def _restore_backup_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -3958,7 +3992,7 @@ def restore_volume_backup(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._restore_volume_backup_serialize(
             project_id=project_id,
@@ -4040,7 +4074,7 @@ def restore_volume_backup_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._restore_volume_backup_serialize(
             project_id=project_id,
@@ -4122,7 +4156,7 @@ def restore_volume_backup_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._restore_volume_backup_serialize(
             project_id=project_id,
@@ -4168,7 +4202,7 @@ def _restore_volume_backup_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
@@ -4270,7 +4304,7 @@ def update_backup_schedule(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._update_backup_schedule_serialize(
             project_id=project_id,
@@ -4348,7 +4382,7 @@ def update_backup_schedule_with_http_info(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._update_backup_schedule_serialize(
             project_id=project_id,
@@ -4426,7 +4460,7 @@ def update_backup_schedule_without_preload_content(
                             in the spec for a single request.
         :type _host_index: int, optional
         :return: Returns the result object.
-        """  # noqa: E501 docstring might be too long
+        """  # noqa: E501
 
         _param = self._update_backup_schedule_serialize(
             project_id=project_id,
@@ -4470,7 +4504,7 @@ def _update_backup_schedule_serialize(
         _query_params: List[Tuple[str, str]] = []
         _header_params: Dict[str, Optional[str]] = _headers or {}
         _form_params: List[Tuple[str, str]] = []
-        _files: Dict[str, Union[str, bytes]] = {}
+        _files: Dict[str, Union[str, bytes, List[str], List[bytes], List[Tuple[str, bytes]]]] = {}
         _body_params: Optional[bytes] = None
 
         # process the path parameters
diff --git a/services/serverbackup/src/stackit/serverbackup/api_client.py b/services/serverbackup/src/stackit/serverbackup/api_client.py
index d90bf75c..0c8ec97f 100644
--- a/services/serverbackup/src/stackit/serverbackup/api_client.py
+++ b/services/serverbackup/src/stackit/serverbackup/api_client.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 import datetime
 import json
@@ -332,6 +332,10 @@ def sanitize_for_serialization(self, obj):
             else:
                 obj_dict = obj.__dict__
 
+        if isinstance(obj_dict, list):
+            # here we handle instances that can either be a list or something else, and only became a real list by calling to_dict()
+            return self.sanitize_for_serialization(obj_dict)
+
         return {key: self.sanitize_for_serialization(val) for key, val in obj_dict.items()}
 
     def deserialize(self, response_text: str, response_type: str, content_type: Optional[str]):
@@ -351,12 +355,12 @@ def deserialize(self, response_text: str, response_type: str, content_type: Opti
                 data = json.loads(response_text)
             except ValueError:
                 data = response_text
-        elif content_type.startswith("application/json"):
+        elif re.match(r"^application/(json|[\w!#$&.+-^_]+\+json)\s*(;|$)", content_type, re.IGNORECASE):
             if response_text == "":
                 data = ""
             else:
                 data = json.loads(response_text)
-        elif content_type.startswith("text/plain"):
+        elif re.match(r"^text\/[a-z.+-]+\s*(;|$)", content_type, re.IGNORECASE):
             data = response_text
         else:
             raise ApiException(status=0, reason="Unsupported content type: {0}".format(content_type))
@@ -458,7 +462,7 @@ def parameters_to_url_query(self, params, collection_formats):
             if k in collection_formats:
                 collection_format = collection_formats[k]
                 if collection_format == "multi":
-                    new_params.extend((k, str(value)) for value in v)
+                    new_params.extend((k, quote(str(value))) for value in v)
                 else:
                     if collection_format == "ssv":
                         delimiter = " "
@@ -474,7 +478,10 @@ def parameters_to_url_query(self, params, collection_formats):
 
         return "&".join(["=".join(map(str, item)) for item in new_params])
 
-    def files_parameters(self, files: Dict[str, Union[str, bytes]]):
+    def files_parameters(
+        self,
+        files: Dict[str, Union[str, bytes, List[str], List[bytes], Tuple[str, bytes]]],
+    ):
         """Builds form parameters.
 
         :param files: File parameters.
@@ -489,6 +496,12 @@ def files_parameters(self, files: Dict[str, Union[str, bytes]]):
             elif isinstance(v, bytes):
                 filename = k
                 filedata = v
+            elif isinstance(v, tuple):
+                filename, filedata = v
+            elif isinstance(v, list):
+                for file_param in v:
+                    params.extend(self.files_parameters({k: file_param}))
+                continue
             else:
                 raise ValueError("Unsupported file value")
             mimetype = mimetypes.guess_type(filename)[0] or "application/octet-stream"
diff --git a/services/serverbackup/src/stackit/serverbackup/configuration.py b/services/serverbackup/src/stackit/serverbackup/configuration.py
index 06e2482a..ee879015 100644
--- a/services/serverbackup/src/stackit/serverbackup/configuration.py
+++ b/services/serverbackup/src/stackit/serverbackup/configuration.py
@@ -1,10 +1,5 @@
 # coding: utf-8
 
-import sys
-
-import os
-
-
 """
     STACKIT Server Backup Management API
 
@@ -15,7 +10,29 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
+
+import sys
+from typing import Dict, List, Optional, TypedDict
+
+from typing_extensions import NotRequired
+
+import os
+
+
+ServerVariablesT = Dict[str, str]
+
+
+class HostSettingVariable(TypedDict):
+    description: str
+    default_value: str
+    enum_values: List[str]
+
+
+class HostSetting(TypedDict):
+    url: str
+    description: str
+    variables: NotRequired[Dict[str, HostSettingVariable]]
 
 
 class HostConfiguration:
@@ -54,7 +71,7 @@ def __init__(
         """Ignore operation servers
         """
 
-    def get_host_settings(self):
+    def get_host_settings(self) -> List[HostSetting]:
         """Gets an array of host settings
 
         :return: An array of host settings
@@ -72,7 +89,12 @@ def get_host_settings(self):
             }
         ]
 
-    def get_host_from_settings(self, index, variables=None, servers=None):
+    def get_host_from_settings(
+        self,
+        index: Optional[int],
+        variables: Optional[ServerVariablesT] = None,
+        servers: Optional[List[HostSetting]] = None,
+    ) -> str:
         """Gets host URL based on the index and variables
         :param index: array index of the host settings
         :param variables: hash of variable and the corresponding value
@@ -112,7 +134,7 @@ def get_host_from_settings(self, index, variables=None, servers=None):
                 and variables.get(variable_name) is not None
             ):
                 raise ValueError(
-                    "this API does not support setting a region in the the client configuration, "
+                    "this API does not support setting a region in the client configuration, "
                     "please check if the region can be specified as a function parameter"
                 )
             used_value = variables.get(variable_name, variable["default_value"])
@@ -131,12 +153,12 @@ def get_host_from_settings(self, index, variables=None, servers=None):
         return url
 
     @property
-    def host(self):
+    def host(self) -> str:
         """Return generated host."""
         return self.get_host_from_settings(self.server_index, variables=self.server_variables)
 
     @host.setter
-    def host(self, value):
+    def host(self, value: str) -> None:
         """Fix base path."""
         self._base_path = value
         self.server_index = None
diff --git a/services/serverbackup/src/stackit/serverbackup/exceptions.py b/services/serverbackup/src/stackit/serverbackup/exceptions.py
index 0591a4ae..88b8b19f 100644
--- a/services/serverbackup/src/stackit/serverbackup/exceptions.py
+++ b/services/serverbackup/src/stackit/serverbackup/exceptions.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from typing import Any, Optional
 
@@ -128,7 +128,7 @@ def __init__(
             if self.body is None:
                 try:
                     self.body = http_resp.data.decode("utf-8")
-                except Exception:  # noqa: S110
+                except Exception:
                     pass
             self.headers = http_resp.getheaders()
 
@@ -152,6 +152,13 @@ def from_response(
         if http_resp.status == 404:
             raise NotFoundException(http_resp=http_resp, body=body, data=data)
 
+        # Added new conditions for 409 and 422
+        if http_resp.status == 409:
+            raise ConflictException(http_resp=http_resp, body=body, data=data)
+
+        if http_resp.status == 422:
+            raise UnprocessableEntityException(http_resp=http_resp, body=body, data=data)
+
         if 500 <= http_resp.status <= 599:
             raise ServiceException(http_resp=http_resp, body=body, data=data)
         raise ApiException(http_resp=http_resp, body=body, data=data)
@@ -188,6 +195,18 @@ class ServiceException(ApiException):
     pass
 
 
+class ConflictException(ApiException):
+    """Exception for HTTP 409 Conflict."""
+
+    pass
+
+
+class UnprocessableEntityException(ApiException):
+    """Exception for HTTP 422 Unprocessable Entity."""
+
+    pass
+
+
 def render_path(path_to_item):
     """Returns a string representation of a path"""
     result = ""
diff --git a/services/serverbackup/src/stackit/serverbackup/models/__init__.py b/services/serverbackup/src/stackit/serverbackup/models/__init__.py
index 30416d5a..312a47fd 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/__init__.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/__init__.py
@@ -11,7 +11,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 
 # import models into model package
diff --git a/services/serverbackup/src/stackit/serverbackup/models/backup.py b/services/serverbackup/src/stackit/serverbackup/models/backup.py
index 787eaff1..3ef572f1 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/backup.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/backup.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -29,7 +29,7 @@
 class Backup(BaseModel):
     """
     Backup
-    """
+    """  # noqa: E501
 
     created_at: StrictStr = Field(alias="createdAt")
     expire_at: StrictStr = Field(alias="expireAt")
diff --git a/services/serverbackup/src/stackit/serverbackup/models/backup_job.py b/services/serverbackup/src/stackit/serverbackup/models/backup_job.py
index 6b00e2b9..8ac51628 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/backup_job.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/backup_job.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class BackupJob(BaseModel):
     """
     BackupJob
-    """
+    """  # noqa: E501
 
     id: StrictStr
     __properties: ClassVar[List[str]] = ["id"]
diff --git a/services/serverbackup/src/stackit/serverbackup/models/backup_policy.py b/services/serverbackup/src/stackit/serverbackup/models/backup_policy.py
index 57858e2f..412ae3d8 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/backup_policy.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/backup_policy.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -29,7 +29,7 @@
 class BackupPolicy(BaseModel):
     """
     BackupPolicy
-    """
+    """  # noqa: E501
 
     backup_properties: Optional[BackupPolicyBackupProperties] = Field(default=None, alias="backupProperties")
     default: Optional[StrictBool] = None
diff --git a/services/serverbackup/src/stackit/serverbackup/models/backup_policy_backup_properties.py b/services/serverbackup/src/stackit/serverbackup/models/backup_policy_backup_properties.py
index 0963c3db..21c0dcfe 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/backup_policy_backup_properties.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/backup_policy_backup_properties.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class BackupPolicyBackupProperties(BaseModel):
     """
     BackupPolicyBackupProperties
-    """
+    """  # noqa: E501
 
     name: Optional[StrictStr] = None
     retention_period: Optional[StrictInt] = Field(default=None, alias="retentionPeriod")
diff --git a/services/serverbackup/src/stackit/serverbackup/models/backup_properties.py b/services/serverbackup/src/stackit/serverbackup/models/backup_properties.py
index 5ebf9176..7938cf28 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/backup_properties.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/backup_properties.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class BackupProperties(BaseModel):
     """
     BackupProperties
-    """
+    """  # noqa: E501
 
     name: StrictStr = Field(description="Max 255 characters")
     retention_period: Annotated[int, Field(le=36500, strict=True, ge=1)] = Field(
diff --git a/services/serverbackup/src/stackit/serverbackup/models/backup_schedule.py b/services/serverbackup/src/stackit/serverbackup/models/backup_schedule.py
index 0159ea91..6da5d260 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/backup_schedule.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/backup_schedule.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -27,7 +27,7 @@
 class BackupSchedule(BaseModel):
     """
     BackupSchedule
-    """
+    """  # noqa: E501
 
     backup_properties: Optional[BackupProperties] = Field(default=None, alias="backupProperties")
     enabled: StrictBool
diff --git a/services/serverbackup/src/stackit/serverbackup/models/backup_volume_backups_inner.py b/services/serverbackup/src/stackit/serverbackup/models/backup_volume_backups_inner.py
index 3d1d7f33..aa5d2211 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/backup_volume_backups_inner.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/backup_volume_backups_inner.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class BackupVolumeBackupsInner(BaseModel):
     """
     BackupVolumeBackupsInner
-    """
+    """  # noqa: E501
 
     id: Optional[StrictStr] = None
     last_restored_at: Optional[StrictStr] = Field(default=None, alias="lastRestoredAt")
diff --git a/services/serverbackup/src/stackit/serverbackup/models/create_backup_payload.py b/services/serverbackup/src/stackit/serverbackup/models/create_backup_payload.py
index abaf5ff7..a47a5eec 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/create_backup_payload.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/create_backup_payload.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class CreateBackupPayload(BaseModel):
     """
     CreateBackupPayload
-    """
+    """  # noqa: E501
 
     name: StrictStr = Field(description="Max 255 characters")
     retention_period: Annotated[int, Field(le=36500, strict=True, ge=1)] = Field(
diff --git a/services/serverbackup/src/stackit/serverbackup/models/create_backup_schedule_payload.py b/services/serverbackup/src/stackit/serverbackup/models/create_backup_schedule_payload.py
index 6cccad25..b54241be 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/create_backup_schedule_payload.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/create_backup_schedule_payload.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -27,7 +27,7 @@
 class CreateBackupSchedulePayload(BaseModel):
     """
     CreateBackupSchedulePayload
-    """
+    """  # noqa: E501
 
     backup_properties: Optional[BackupProperties] = Field(default=None, alias="backupProperties")
     enabled: StrictBool
diff --git a/services/serverbackup/src/stackit/serverbackup/models/enable_service_resource_payload.py b/services/serverbackup/src/stackit/serverbackup/models/enable_service_resource_payload.py
index 7c9d7146..6e89b7a0 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/enable_service_resource_payload.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/enable_service_resource_payload.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class EnableServiceResourcePayload(BaseModel):
     """
     EnableServiceResourcePayload
-    """
+    """  # noqa: E501
 
     backup_policy_id: Optional[StrictStr] = Field(default=None, alias="backupPolicyId")
     __properties: ClassVar[List[str]] = ["backupPolicyId"]
diff --git a/services/serverbackup/src/stackit/serverbackup/models/error_response.py b/services/serverbackup/src/stackit/serverbackup/models/error_response.py
index fc17208b..e7d73adb 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/error_response.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/error_response.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class ErrorResponse(BaseModel):
     """
     ErrorResponse
-    """
+    """  # noqa: E501
 
     message: StrictStr = Field(description="Details about the error")
     status: StrictStr = Field(
diff --git a/services/serverbackup/src/stackit/serverbackup/models/get_backup_policies_response.py b/services/serverbackup/src/stackit/serverbackup/models/get_backup_policies_response.py
index 01bff28a..76460f0f 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/get_backup_policies_response.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/get_backup_policies_response.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -27,7 +27,7 @@
 class GetBackupPoliciesResponse(BaseModel):
     """
     GetBackupPoliciesResponse
-    """
+    """  # noqa: E501
 
     items: Optional[List[BackupPolicy]] = None
     __properties: ClassVar[List[str]] = ["items"]
diff --git a/services/serverbackup/src/stackit/serverbackup/models/get_backup_schedules_response.py b/services/serverbackup/src/stackit/serverbackup/models/get_backup_schedules_response.py
index d2b6c0d4..fab99212 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/get_backup_schedules_response.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/get_backup_schedules_response.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -27,7 +27,7 @@
 class GetBackupSchedulesResponse(BaseModel):
     """
     GetBackupSchedulesResponse
-    """
+    """  # noqa: E501
 
     items: Optional[List[BackupSchedule]] = None
     __properties: ClassVar[List[str]] = ["items"]
diff --git a/services/serverbackup/src/stackit/serverbackup/models/get_backup_service_response.py b/services/serverbackup/src/stackit/serverbackup/models/get_backup_service_response.py
index 3a80fa1d..dec3e28f 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/get_backup_service_response.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/get_backup_service_response.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class GetBackupServiceResponse(BaseModel):
     """
     GetBackupServiceResponse
-    """
+    """  # noqa: E501
 
     enabled: Optional[StrictBool] = None
     __properties: ClassVar[List[str]] = ["enabled"]
diff --git a/services/serverbackup/src/stackit/serverbackup/models/get_backups_list_response.py b/services/serverbackup/src/stackit/serverbackup/models/get_backups_list_response.py
index e98e5def..421e4ccf 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/get_backups_list_response.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/get_backups_list_response.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -27,7 +27,7 @@
 class GetBackupsListResponse(BaseModel):
     """
     GetBackupsListResponse
-    """
+    """  # noqa: E501
 
     items: Optional[List[Backup]] = None
     __properties: ClassVar[List[str]] = ["items"]
diff --git a/services/serverbackup/src/stackit/serverbackup/models/restore_backup_payload.py b/services/serverbackup/src/stackit/serverbackup/models/restore_backup_payload.py
index 9b5dbce2..84e24aac 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/restore_backup_payload.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/restore_backup_payload.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class RestoreBackupPayload(BaseModel):
     """
     RestoreBackupPayload
-    """
+    """  # noqa: E501
 
     start_server_after_restore: StrictBool = Field(alias="startServerAfterRestore")
     volume_ids: Optional[List[StrictStr]] = Field(default=None, alias="volumeIds")
diff --git a/services/serverbackup/src/stackit/serverbackup/models/restore_volume_backup_payload.py b/services/serverbackup/src/stackit/serverbackup/models/restore_volume_backup_payload.py
index 0d7ffd77..b5e23e58 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/restore_volume_backup_payload.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/restore_volume_backup_payload.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -25,7 +25,7 @@
 class RestoreVolumeBackupPayload(BaseModel):
     """
     RestoreVolumeBackupPayload
-    """
+    """  # noqa: E501
 
     restore_volume_id: StrictStr = Field(alias="restoreVolumeId")
     __properties: ClassVar[List[str]] = ["restoreVolumeId"]
diff --git a/services/serverbackup/src/stackit/serverbackup/models/update_backup_schedule_payload.py b/services/serverbackup/src/stackit/serverbackup/models/update_backup_schedule_payload.py
index addfe1fd..737e61d4 100644
--- a/services/serverbackup/src/stackit/serverbackup/models/update_backup_schedule_payload.py
+++ b/services/serverbackup/src/stackit/serverbackup/models/update_backup_schedule_payload.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 from __future__ import annotations
 
@@ -27,7 +27,7 @@
 class UpdateBackupSchedulePayload(BaseModel):
     """
     UpdateBackupSchedulePayload
-    """
+    """  # noqa: E501
 
     backup_properties: Optional[BackupProperties] = Field(default=None, alias="backupProperties")
     enabled: StrictBool
diff --git a/services/serverbackup/src/stackit/serverbackup/rest.py b/services/serverbackup/src/stackit/serverbackup/rest.py
index d52dfa0f..63a54b1e 100644
--- a/services/serverbackup/src/stackit/serverbackup/rest.py
+++ b/services/serverbackup/src/stackit/serverbackup/rest.py
@@ -10,7 +10,7 @@
     Generated by OpenAPI Generator (https://openapi-generator.tech)
 
     Do not edit the class manually.
-"""  # noqa: E501 docstring might be too long
+"""  # noqa: E501
 
 import io
 import json
@@ -125,7 +125,7 @@ def request(self, method, url, headers=None, body=None, post_params=None, _reque
                         data=body,
                         headers=headers,
                     )
-                elif headers["Content-Type"] == "text/plain" and isinstance(body, bool):
+                elif headers["Content-Type"].startswith("text/") and isinstance(body, bool):
                     request_body = "true" if body else "false"
                     r = self.session.request(method, url, data=request_body, headers=headers)
                 else: