diff --git a/services/certificates/src/stackit/certificates/__init__.py b/services/certificates/src/stackit/certificates/__init__.py
index 011746452..c4e79e4e4 100644
--- a/services/certificates/src/stackit/certificates/__init__.py
+++ b/services/certificates/src/stackit/certificates/__init__.py
@@ -11,37 +11,59 @@
     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",
+    "CreateCertificatePayload",
+    "CreateCertificateResponse",
+    "GetCertificateResponse",
+    "GoogleProtobufAny",
+    "ListCertificatesResponse",
+    "Status",
+]
+
 # import apis into sdk package
-from stackit.certificates.api.default_api import DefaultApi
-from stackit.certificates.api_client import ApiClient
+from stackit.certificates.api.default_api import DefaultApi as DefaultApi
+from stackit.certificates.api_client import ApiClient as ApiClient
 
 # import ApiClient
-from stackit.certificates.api_response import ApiResponse
-from stackit.certificates.configuration import HostConfiguration
-from stackit.certificates.exceptions import (
-    ApiAttributeError,
-    ApiException,
-    ApiKeyError,
-    ApiTypeError,
-    ApiValueError,
-    OpenApiException,
-)
+from stackit.certificates.api_response import ApiResponse as ApiResponse
+from stackit.certificates.configuration import HostConfiguration as HostConfiguration
+from stackit.certificates.exceptions import ApiAttributeError as ApiAttributeError
+from stackit.certificates.exceptions import ApiException as ApiException
+from stackit.certificates.exceptions import ApiKeyError as ApiKeyError
+from stackit.certificates.exceptions import ApiTypeError as ApiTypeError
+from stackit.certificates.exceptions import ApiValueError as ApiValueError
+from stackit.certificates.exceptions import OpenApiException as OpenApiException
 
 # import models into sdk package
 from stackit.certificates.models.create_certificate_payload import (
-    CreateCertificatePayload,
+    CreateCertificatePayload as CreateCertificatePayload,
 )
 from stackit.certificates.models.create_certificate_response import (
-    CreateCertificateResponse,
+    CreateCertificateResponse as CreateCertificateResponse,
+)
+from stackit.certificates.models.get_certificate_response import (
+    GetCertificateResponse as GetCertificateResponse,
+)
+from stackit.certificates.models.google_protobuf_any import (
+    GoogleProtobufAny as GoogleProtobufAny,
 )
-from stackit.certificates.models.get_certificate_response import GetCertificateResponse
-from stackit.certificates.models.google_protobuf_any import GoogleProtobufAny
 from stackit.certificates.models.list_certificates_response import (
-    ListCertificatesResponse,
+    ListCertificatesResponse as ListCertificatesResponse,
 )
-from stackit.certificates.models.status import Status
+from stackit.certificates.models.status import Status as Status
diff --git a/services/certificates/src/stackit/certificates/api/default_api.py b/services/certificates/src/stackit/certificates/api/default_api.py
index e7af4e128..c91ea4201 100644
--- a/services/certificates/src/stackit/certificates/api/default_api.py
+++ b/services/certificates/src/stackit/certificates/api/default_api.py
@@ -9,7 +9,7 @@
     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, Dict, List, Optional, Tuple, Union
 
@@ -91,7 +91,7 @@ def create_certificate(
                             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_certificate_serialize(
             project_id=project_id,
@@ -163,7 +163,7 @@ def create_certificate_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_certificate_serialize(
             project_id=project_id,
@@ -235,7 +235,7 @@ def create_certificate_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_certificate_serialize(
             project_id=project_id,
@@ -276,7 +276,7 @@ def _create_certificate_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
@@ -367,7 +367,7 @@ def delete_certificate(
                             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_certificate_serialize(
             project_id=project_id,
@@ -439,7 +439,7 @@ def delete_certificate_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_certificate_serialize(
             project_id=project_id,
@@ -511,7 +511,7 @@ def delete_certificate_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_certificate_serialize(
             project_id=project_id,
@@ -552,7 +552,7 @@ def _delete_certificate_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
@@ -635,7 +635,7 @@ def get_certificate(
                             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_certificate_serialize(
             project_id=project_id,
@@ -708,7 +708,7 @@ def get_certificate_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_certificate_serialize(
             project_id=project_id,
@@ -781,7 +781,7 @@ def get_certificate_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_certificate_serialize(
             project_id=project_id,
@@ -823,7 +823,7 @@ def _get_certificate_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
@@ -919,7 +919,7 @@ def list_certificates(
                             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_certificates_serialize(
             project_id=project_id,
@@ -1006,7 +1006,7 @@ def list_certificates_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_certificates_serialize(
             project_id=project_id,
@@ -1093,7 +1093,7 @@ def list_certificates_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_certificates_serialize(
             project_id=project_id,
@@ -1137,7 +1137,7 @@ def _list_certificates_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/certificates/src/stackit/certificates/api_client.py b/services/certificates/src/stackit/certificates/api_client.py
index d7bc573ae..6e8c8efc6 100644
--- a/services/certificates/src/stackit/certificates/api_client.py
+++ b/services/certificates/src/stackit/certificates/api_client.py
@@ -9,7 +9,7 @@
     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
@@ -331,6 +331,10 @@ 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]):
@@ -350,12 +354,12 @@ 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))
@@ -457,7 +461,7 @@ 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 = " "
@@ -473,7 +477,10 @@ 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.
@@ -488,6 +495,12 @@ 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/certificates/src/stackit/certificates/configuration.py b/services/certificates/src/stackit/certificates/configuration.py
index 06035173c..eb8bb2a13 100644
--- a/services/certificates/src/stackit/certificates/configuration.py
+++ b/services/certificates/src/stackit/certificates/configuration.py
@@ -1,10 +1,5 @@
 # coding: utf-8
 
-import sys
-
-import os
-
-
 """
     Load Balancer Certificates API
 
@@ -14,7 +9,29 @@
     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:
@@ -53,7 +70,7 @@ 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
@@ -71,7 +88,12 @@ 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
@@ -111,7 +133,7 @@ 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"])
@@ -130,12 +152,12 @@ 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/certificates/src/stackit/certificates/exceptions.py b/services/certificates/src/stackit/certificates/exceptions.py
index df5804a2f..94747580e 100644
--- a/services/certificates/src/stackit/certificates/exceptions.py
+++ b/services/certificates/src/stackit/certificates/exceptions.py
@@ -9,7 +9,7 @@
     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
 
@@ -127,7 +127,7 @@ 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()
 
@@ -151,6 +151,13 @@ 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)
@@ -187,6 +194,18 @@ 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/certificates/src/stackit/certificates/models/__init__.py b/services/certificates/src/stackit/certificates/models/__init__.py
index 35ab1726e..d658ac5a7 100644
--- a/services/certificates/src/stackit/certificates/models/__init__.py
+++ b/services/certificates/src/stackit/certificates/models/__init__.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 models into model package
diff --git a/services/certificates/src/stackit/certificates/models/create_certificate_payload.py b/services/certificates/src/stackit/certificates/models/create_certificate_payload.py
index ac3059426..16a36406a 100644
--- a/services/certificates/src/stackit/certificates/models/create_certificate_payload.py
+++ b/services/certificates/src/stackit/certificates/models/create_certificate_payload.py
@@ -9,13 +9,13 @@
     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
 
 import json
 import pprint
-import re
+import re  # noqa: F401
 from typing import Any, ClassVar, Dict, List, Optional, Set
 
 from pydantic import BaseModel, ConfigDict, Field, StrictStr, field_validator
@@ -25,7 +25,7 @@
 class CreateCertificatePayload(BaseModel):
     """
     Uploads a PEM encoded X509 public/private key pair
-    """
+    """  # noqa: E501
 
     name: Optional[Annotated[str, Field(strict=True)]] = Field(default=None, description="TLS certificate name")
     private_key: Optional[StrictStr] = Field(
diff --git a/services/certificates/src/stackit/certificates/models/create_certificate_response.py b/services/certificates/src/stackit/certificates/models/create_certificate_response.py
index 9c7f20084..f176a07d0 100644
--- a/services/certificates/src/stackit/certificates/models/create_certificate_response.py
+++ b/services/certificates/src/stackit/certificates/models/create_certificate_response.py
@@ -9,13 +9,13 @@
     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
 
 import json
 import pprint
-import re
+import re  # noqa: F401
 from typing import Any, ClassVar, Dict, List, Optional, Set
 
 from pydantic import BaseModel, ConfigDict, Field, field_validator
@@ -25,7 +25,7 @@
 class CreateCertificateResponse(BaseModel):
     """
     CreateCertificateResponse returns unique resource id
-    """
+    """  # noqa: E501
 
     id: Optional[Annotated[str, Field(strict=True)]] = Field(default=None, description="The certificates resource id")
     region: Optional[Annotated[str, Field(strict=True)]] = Field(default=None, description="Region")
diff --git a/services/certificates/src/stackit/certificates/models/get_certificate_response.py b/services/certificates/src/stackit/certificates/models/get_certificate_response.py
index dab99f13d..97ef2fab6 100644
--- a/services/certificates/src/stackit/certificates/models/get_certificate_response.py
+++ b/services/certificates/src/stackit/certificates/models/get_certificate_response.py
@@ -9,13 +9,13 @@
     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
 
 import json
 import pprint
-import re
+import re  # noqa: F401
 from typing import Any, ClassVar, Dict, List, Optional, Set
 
 from pydantic import BaseModel, ConfigDict, Field, StrictStr, field_validator
@@ -25,7 +25,7 @@
 class GetCertificateResponse(BaseModel):
     """
     GetCertificateResponse returns name, id and public key
-    """
+    """  # noqa: E501
 
     id: Optional[Annotated[str, Field(strict=True)]] = Field(default=None, description="The certificates resource id")
     name: Optional[Annotated[str, Field(strict=True)]] = Field(default=None, description="TLS certificate name")
diff --git a/services/certificates/src/stackit/certificates/models/google_protobuf_any.py b/services/certificates/src/stackit/certificates/models/google_protobuf_any.py
index d2c1c9286..dacf82c5f 100644
--- a/services/certificates/src/stackit/certificates/models/google_protobuf_any.py
+++ b/services/certificates/src/stackit/certificates/models/google_protobuf_any.py
@@ -9,7 +9,7 @@
     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
 
@@ -24,7 +24,7 @@
 class GoogleProtobufAny(BaseModel):
     """
     Contains an arbitrary serialized message along with a @type that describes the type of the serialized message.
-    """
+    """  # noqa: E501
 
     type: Optional[StrictStr] = Field(default=None, description="The type of the serialized message.", alias="@type")
     additional_properties: Dict[str, Any] = {}
diff --git a/services/certificates/src/stackit/certificates/models/list_certificates_response.py b/services/certificates/src/stackit/certificates/models/list_certificates_response.py
index d984d9f90..a1d83feab 100644
--- a/services/certificates/src/stackit/certificates/models/list_certificates_response.py
+++ b/services/certificates/src/stackit/certificates/models/list_certificates_response.py
@@ -9,13 +9,13 @@
     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
 
 import json
 import pprint
-import re
+import re  # noqa: F401
 from typing import Any, ClassVar, Dict, List, Optional, Set
 
 from pydantic import BaseModel, ConfigDict, Field, field_validator
@@ -27,7 +27,7 @@
 class ListCertificatesResponse(BaseModel):
     """
     ListCertificateResponse returns a list of certificate responses
-    """
+    """  # noqa: E501
 
     items: Optional[List[GetCertificateResponse]] = None
     next_page_id: Optional[Annotated[str, Field(strict=True)]] = Field(
diff --git a/services/certificates/src/stackit/certificates/models/status.py b/services/certificates/src/stackit/certificates/models/status.py
index cc9a56fd7..da393ba4a 100644
--- a/services/certificates/src/stackit/certificates/models/status.py
+++ b/services/certificates/src/stackit/certificates/models/status.py
@@ -9,7 +9,7 @@
     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
 
@@ -26,7 +26,7 @@
 class Status(BaseModel):
     """
     The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors).
-    """
+    """  # noqa: E501
 
     code: Optional[StrictInt] = Field(
         default=None,
diff --git a/services/certificates/src/stackit/certificates/rest.py b/services/certificates/src/stackit/certificates/rest.py
index 0b85b3032..5b4361c8f 100644
--- a/services/certificates/src/stackit/certificates/rest.py
+++ b/services/certificates/src/stackit/certificates/rest.py
@@ -9,7 +9,7 @@
     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
@@ -124,7 +124,7 @@ 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: