diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index a7130553..d52d2b97 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.12.0"
+  ".": "0.13.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index fe2e9342..e85d6557 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 40
 openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/sent%2Fsent-dm-294831f61f7890b2cdb89d181f26297732387d5e1288f446c0138e46fb1a4608.yml
 openapi_spec_hash: a7f20451621ee678fbe09ff7a297b3ea
-config_hash: 497506d9e2e66cd0573bd9c1f1242462
+config_hash: 478a49d5520c8bb64b43272de11c2872
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 999f3610..59cc4b4d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.13.0 (2026-03-12)
+
+Full Changelog: [v0.12.0...v0.13.0](https://github.com/sentdm/sent-dm-python/compare/v0.12.0...v0.13.0)
+
+### Features
+
+* **api:** manual updates ([fd07a7a](https://github.com/sentdm/sent-dm-python/commit/fd07a7aa83630147e58ddd1bbbc86534aa9a9e6e))
+
 ## 0.12.0 (2026-03-12)
 
 Full Changelog: [v0.11.0...v0.12.0](https://github.com/sentdm/sent-dm-python/compare/v0.11.0...v0.12.0)
diff --git a/api.md b/api.md
index 5c71f651..fa996fd2 100644
--- a/api.md
+++ b/api.md
@@ -4,9 +4,9 @@ Types:
 
 ```python
 from sent_dm.types import (
-    APIError,
     APIMeta,
     APIResponseWebhook,
+    ErrorDetail,
     MutationRequest,
     PaginationMeta,
     WebhookResponse,
diff --git a/pyproject.toml b/pyproject.toml
index d98f2ad7..158813b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "sentdm"
-version = "0.12.0"
+version = "0.13.0"
 description = "The official Python library for the sent-dm API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/sent_dm/_version.py b/src/sent_dm/_version.py
index 85a5a9f5..2119da62 100644
--- a/src/sent_dm/_version.py
+++ b/src/sent_dm/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "sent_dm"
-__version__ = "0.12.0"  # x-release-please-version
+__version__ = "0.13.0"  # x-release-please-version
diff --git a/src/sent_dm/types/__init__.py b/src/sent_dm/types/__init__.py
index b8d439ed..1b6946bf 100644
--- a/src/sent_dm/types/__init__.py
+++ b/src/sent_dm/types/__init__.py
@@ -4,7 +4,7 @@
 
 from .api_meta import APIMeta as APIMeta
 from .template import Template as Template
-from .api_error import APIError as APIError
+from .error_detail import ErrorDetail as ErrorDetail
 from .tcr_vertical import TcrVertical as TcrVertical
 from .user_response import UserResponse as UserResponse
 from .profile_detail import ProfileDetail as ProfileDetail
diff --git a/src/sent_dm/types/api_response_of_contact.py b/src/sent_dm/types/api_response_of_contact.py
index bdcbe656..a80cccb7 100644
--- a/src/sent_dm/types/api_response_of_contact.py
+++ b/src/sent_dm/types/api_response_of_contact.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .contact_response import ContactResponse
 
 __all__ = ["APIResponseOfContact"]
@@ -16,7 +16,7 @@ class APIResponseOfContact(BaseModel):
     data: Optional[ContactResponse] = None
     """Contact response for v3 API Uses snake_case for JSON property names"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/api_response_of_profile_detail.py b/src/sent_dm/types/api_response_of_profile_detail.py
index 64335f5b..3e22b388 100644
--- a/src/sent_dm/types/api_response_of_profile_detail.py
+++ b/src/sent_dm/types/api_response_of_profile_detail.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .profile_detail import ProfileDetail
 
 __all__ = ["APIResponseOfProfileDetail"]
@@ -16,7 +16,7 @@ class APIResponseOfProfileDetail(BaseModel):
     data: Optional[ProfileDetail] = None
     """Detailed profile response for v3 API"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/api_response_of_user.py b/src/sent_dm/types/api_response_of_user.py
index 7a21d691..c804de5c 100644
--- a/src/sent_dm/types/api_response_of_user.py
+++ b/src/sent_dm/types/api_response_of_user.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .user_response import UserResponse
 
 __all__ = ["APIResponseOfUser"]
@@ -16,7 +16,7 @@ class APIResponseOfUser(BaseModel):
     data: Optional[UserResponse] = None
     """User response for v3 API"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/api_response_template.py b/src/sent_dm/types/api_response_template.py
index 25045be2..53d39bb9 100644
--- a/src/sent_dm/types/api_response_template.py
+++ b/src/sent_dm/types/api_response_template.py
@@ -5,7 +5,7 @@
 from .._models import BaseModel
 from .api_meta import APIMeta
 from .template import Template
-from .api_error import APIError
+from .error_detail import ErrorDetail
 
 __all__ = ["APIResponseTemplate"]
 
@@ -16,7 +16,7 @@ class APIResponseTemplate(BaseModel):
     data: Optional[Template] = None
     """Template response for v3 API"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/api_response_webhook.py b/src/sent_dm/types/api_response_webhook.py
index 9f8f5943..18aac19e 100644
--- a/src/sent_dm/types/api_response_webhook.py
+++ b/src/sent_dm/types/api_response_webhook.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .webhook_response import WebhookResponse
 
 __all__ = ["APIResponseWebhook"]
@@ -16,7 +16,7 @@ class APIResponseWebhook(BaseModel):
     data: Optional[WebhookResponse] = None
     """The response data (null if error)"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/contact_list_response.py b/src/sent_dm/types/contact_list_response.py
index 9727745d..f77585ac 100644
--- a/src/sent_dm/types/contact_list_response.py
+++ b/src/sent_dm/types/contact_list_response.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .pagination_meta import PaginationMeta
 from .contact_response import ContactResponse
 
@@ -27,7 +27,7 @@ class ContactListResponse(BaseModel):
     data: Optional[Data] = None
     """Paginated list of contacts response"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/api_error.py b/src/sent_dm/types/error_detail.py
similarity index 90%
rename from src/sent_dm/types/api_error.py
rename to src/sent_dm/types/error_detail.py
index 29a61a6a..773a50e6 100644
--- a/src/sent_dm/types/api_error.py
+++ b/src/sent_dm/types/error_detail.py
@@ -4,10 +4,10 @@
 
 from .._models import BaseModel
 
-__all__ = ["APIError"]
+__all__ = ["ErrorDetail"]
 
 
-class APIError(BaseModel):
+class ErrorDetail(BaseModel):
     """Error information"""
 
     code: Optional[str] = None
diff --git a/src/sent_dm/types/me_retrieve_response.py b/src/sent_dm/types/me_retrieve_response.py
index dd86ed09..83f6b612 100644
--- a/src/sent_dm/types/me_retrieve_response.py
+++ b/src/sent_dm/types/me_retrieve_response.py
@@ -5,7 +5,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .profile_settings import ProfileSettings
 
 __all__ = [
@@ -180,7 +180,7 @@ class MeRetrieveResponse(BaseModel):
     API key type. Always includes messaging channel configuration.
     """
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/message_retrieve_activities_response.py b/src/sent_dm/types/message_retrieve_activities_response.py
index 986492b4..24d91aaf 100644
--- a/src/sent_dm/types/message_retrieve_activities_response.py
+++ b/src/sent_dm/types/message_retrieve_activities_response.py
@@ -5,7 +5,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 
 __all__ = ["MessageRetrieveActivitiesResponse", "Data", "DataActivity"]
 
@@ -51,7 +51,7 @@ class MessageRetrieveActivitiesResponse(BaseModel):
     data: Optional[Data] = None
     """Response for GET /messages/{id}/activities"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/message_retrieve_status_response.py b/src/sent_dm/types/message_retrieve_status_response.py
index 20f7bc94..59589e67 100644
--- a/src/sent_dm/types/message_retrieve_status_response.py
+++ b/src/sent_dm/types/message_retrieve_status_response.py
@@ -5,7 +5,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 
 __all__ = ["MessageRetrieveStatusResponse", "Data", "DataEvent", "DataMessageBody", "DataMessageBodyButton"]
 
@@ -87,7 +87,7 @@ class MessageRetrieveStatusResponse(BaseModel):
     data: Optional[Data] = None
     """Message response for v3 API — same shape as v2 with snake_case JSON conventions"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/message_send_response.py b/src/sent_dm/types/message_send_response.py
index 44541dad..1684b1bb 100644
--- a/src/sent_dm/types/message_send_response.py
+++ b/src/sent_dm/types/message_send_response.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 
 __all__ = ["MessageSendResponse", "Data", "DataRecipient"]
 
@@ -50,7 +50,7 @@ class MessageSendResponse(BaseModel):
     data: Optional[Data] = None
     """Response for the multi-recipient send message endpoint"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/number_lookup_response.py b/src/sent_dm/types/number_lookup_response.py
index ece5b959..a0f9be9f 100644
--- a/src/sent_dm/types/number_lookup_response.py
+++ b/src/sent_dm/types/number_lookup_response.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 
 __all__ = ["NumberLookupResponse", "Data"]
 
@@ -37,7 +37,7 @@ class NumberLookupResponse(BaseModel):
     data: Optional[Data] = None
     """The response data (null if error)"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/profile_list_response.py b/src/sent_dm/types/profile_list_response.py
index f54be3de..ffd30dae 100644
--- a/src/sent_dm/types/profile_list_response.py
+++ b/src/sent_dm/types/profile_list_response.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .profile_detail import ProfileDetail
 
 __all__ = ["ProfileListResponse", "Data"]
@@ -23,7 +23,7 @@ class ProfileListResponse(BaseModel):
     data: Optional[Data] = None
     """List of profiles response"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/profiles/api_response_of_tcr_campaign_with_use_cases.py b/src/sent_dm/types/profiles/api_response_of_tcr_campaign_with_use_cases.py
index 04c6a0bb..92b0f2fc 100644
--- a/src/sent_dm/types/profiles/api_response_of_tcr_campaign_with_use_cases.py
+++ b/src/sent_dm/types/profiles/api_response_of_tcr_campaign_with_use_cases.py
@@ -4,7 +4,7 @@
 
 from ..._models import BaseModel
 from ..api_meta import APIMeta
-from ..api_error import APIError
+from ..error_detail import ErrorDetail
 from .tcr_campaign_with_use_cases import TcrCampaignWithUseCases
 
 __all__ = ["APIResponseOfTcrCampaignWithUseCases"]
@@ -16,7 +16,7 @@ class APIResponseOfTcrCampaignWithUseCases(BaseModel):
     data: Optional[TcrCampaignWithUseCases] = None
     """The response data (null if error)"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/profiles/campaign_list_response.py b/src/sent_dm/types/profiles/campaign_list_response.py
index 059ec96c..403c060d 100644
--- a/src/sent_dm/types/profiles/campaign_list_response.py
+++ b/src/sent_dm/types/profiles/campaign_list_response.py
@@ -4,7 +4,7 @@
 
 from ..._models import BaseModel
 from ..api_meta import APIMeta
-from ..api_error import APIError
+from ..error_detail import ErrorDetail
 from .tcr_campaign_with_use_cases import TcrCampaignWithUseCases
 
 __all__ = ["CampaignListResponse"]
@@ -16,7 +16,7 @@ class CampaignListResponse(BaseModel):
     data: Optional[List[TcrCampaignWithUseCases]] = None
     """The response data (null if error)"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/template_list_response.py b/src/sent_dm/types/template_list_response.py
index 657027ee..3adf0dca 100644
--- a/src/sent_dm/types/template_list_response.py
+++ b/src/sent_dm/types/template_list_response.py
@@ -5,7 +5,7 @@
 from .._models import BaseModel
 from .api_meta import APIMeta
 from .template import Template
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .pagination_meta import PaginationMeta
 
 __all__ = ["TemplateListResponse", "Data"]
@@ -27,7 +27,7 @@ class TemplateListResponse(BaseModel):
     data: Optional[Data] = None
     """Paginated list of templates"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/user_list_response.py b/src/sent_dm/types/user_list_response.py
index 8878e4df..bcbcee0a 100644
--- a/src/sent_dm/types/user_list_response.py
+++ b/src/sent_dm/types/user_list_response.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .user_response import UserResponse
 
 __all__ = ["UserListResponse", "Data"]
@@ -23,7 +23,7 @@ class UserListResponse(BaseModel):
     data: Optional[Data] = None
     """List of users response"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/webhook_list_event_types_response.py b/src/sent_dm/types/webhook_list_event_types_response.py
index 3cbcd53a..df7ce878 100644
--- a/src/sent_dm/types/webhook_list_event_types_response.py
+++ b/src/sent_dm/types/webhook_list_event_types_response.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 
 __all__ = ["WebhookListEventTypesResponse", "Data", "DataEventType"]
 
@@ -31,7 +31,7 @@ class WebhookListEventTypesResponse(BaseModel):
     data: Optional[Data] = None
     """The response data (null if error)"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/webhook_list_events_response.py b/src/sent_dm/types/webhook_list_events_response.py
index d1fa58e9..802db9d0 100644
--- a/src/sent_dm/types/webhook_list_events_response.py
+++ b/src/sent_dm/types/webhook_list_events_response.py
@@ -5,7 +5,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .pagination_meta import PaginationMeta
 
 __all__ = ["WebhookListEventsResponse", "Data", "DataEvent"]
@@ -50,7 +50,7 @@ class WebhookListEventsResponse(BaseModel):
     data: Optional[Data] = None
     """The response data (null if error)"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/webhook_list_response.py b/src/sent_dm/types/webhook_list_response.py
index 61c24aaa..a0d75d41 100644
--- a/src/sent_dm/types/webhook_list_response.py
+++ b/src/sent_dm/types/webhook_list_response.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 from .pagination_meta import PaginationMeta
 from .webhook_response import WebhookResponse
 
@@ -26,7 +26,7 @@ class WebhookListResponse(BaseModel):
     data: Optional[Data] = None
     """The response data (null if error)"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/webhook_rotate_secret_response.py b/src/sent_dm/types/webhook_rotate_secret_response.py
index 4304204b..bd1f1a33 100644
--- a/src/sent_dm/types/webhook_rotate_secret_response.py
+++ b/src/sent_dm/types/webhook_rotate_secret_response.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 
 __all__ = ["WebhookRotateSecretResponse", "Data"]
 
@@ -21,7 +21,7 @@ class WebhookRotateSecretResponse(BaseModel):
     data: Optional[Data] = None
     """The response data (null if error)"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None
diff --git a/src/sent_dm/types/webhook_test_response.py b/src/sent_dm/types/webhook_test_response.py
index 9de2e6b3..c92d3034 100644
--- a/src/sent_dm/types/webhook_test_response.py
+++ b/src/sent_dm/types/webhook_test_response.py
@@ -4,7 +4,7 @@
 
 from .._models import BaseModel
 from .api_meta import APIMeta
-from .api_error import APIError
+from .error_detail import ErrorDetail
 
 __all__ = ["WebhookTestResponse", "Data"]
 
@@ -23,7 +23,7 @@ class WebhookTestResponse(BaseModel):
     data: Optional[Data] = None
     """The response data (null if error)"""
 
-    error: Optional[APIError] = None
+    error: Optional[ErrorDetail] = None
     """Error information"""
 
     meta: Optional[APIMeta] = None