diff --git a/.generated-info b/.generated-info
index bdcbb99f48..6def0798c3 100644
--- a/.generated-info
+++ b/.generated-info
@@ -1,4 +1,4 @@
 {
-  "spec_repo_commit": "d02c8a3",
-  "generated": "2025-08-08 12:07:20.979"
+  "spec_repo_commit": "872cf6d",
+  "generated": "2025-08-12 14:43:31.361"
 }
diff --git a/.generator/schemas/v1/openapi.yaml b/.generator/schemas/v1/openapi.yaml
index f6e0e21ed7..dacd4a02b1 100644
--- a/.generator/schemas/v1/openapi.yaml
+++ b/.generator/schemas/v1/openapi.yaml
@@ -5123,6 +5123,12 @@ components:
         error:
           $ref: '#/components/schemas/LogsAPIError'
       type: object
+    LogsAPILimitReachedResponse:
+      description: Response returned by the Logs API when the max limit has been reached.
+      properties:
+        error:
+          $ref: '#/components/schemas/LogsAPIError'
+      type: object
     LogsArithmeticProcessor:
       description: "Use the Arithmetic Processor to add a new attribute (without spaces
         or special characters\nin the new attribute name) to a log with the result
@@ -29444,6 +29450,12 @@ paths:
               schema:
                 $ref: '#/components/schemas/APIErrorResponse'
           description: Forbidden
+        '422':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/LogsAPILimitReachedResponse'
+          description: Unprocessable Entity
         '429':
           $ref: '#/components/responses/TooManyRequestsResponse'
       summary: Create an index
diff --git a/docs/datadog_api_client.v1.model.rst b/docs/datadog_api_client.v1.model.rst
index 8dcb7440c2..8a4579b901 100644
--- a/docs/datadog_api_client.v1.model.rst
+++ b/docs/datadog_api_client.v1.model.rst
@@ -1558,6 +1558,13 @@ datadog\_api\_client.v1.model.logs\_api\_error\_response module
    :members:
    :show-inheritance:
 
+datadog\_api\_client.v1.model.logs\_api\_limit\_reached\_response module
+------------------------------------------------------------------------
+
+.. automodule:: datadog_api_client.v1.model.logs_api_limit_reached_response
+   :members:
+   :show-inheritance:
+
 datadog\_api\_client.v1.model.logs\_arithmetic\_processor module
 ----------------------------------------------------------------
 
diff --git a/src/datadog_api_client/v1/model/logs_api_limit_reached_response.py b/src/datadog_api_client/v1/model/logs_api_limit_reached_response.py
new file mode 100644
index 0000000000..61d6379c14
--- /dev/null
+++ b/src/datadog_api_client/v1/model/logs_api_limit_reached_response.py
@@ -0,0 +1,42 @@
+# Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019-Present Datadog, Inc.
+from __future__ import annotations
+
+from typing import Union, TYPE_CHECKING
+
+from datadog_api_client.model_utils import (
+    ModelNormal,
+    cached_property,
+    unset,
+    UnsetType,
+)
+
+
+if TYPE_CHECKING:
+    from datadog_api_client.v1.model.logs_api_error import LogsAPIError
+
+
+class LogsAPILimitReachedResponse(ModelNormal):
+    @cached_property
+    def openapi_types(_):
+        from datadog_api_client.v1.model.logs_api_error import LogsAPIError
+
+        return {
+            "error": (LogsAPIError,),
+        }
+
+    attribute_map = {
+        "error": "error",
+    }
+
+    def __init__(self_, error: Union[LogsAPIError, UnsetType] = unset, **kwargs):
+        """
+        Response returned by the Logs API when the max limit has been reached.
+
+        :param error: Error returned by the Logs API
+        :type error: LogsAPIError, optional
+        """
+        if error is not unset:
+            kwargs["error"] = error
+        super().__init__(kwargs)
diff --git a/src/datadog_api_client/v1/models/__init__.py b/src/datadog_api_client/v1/models/__init__.py
index 45685b6a28..8025d8925f 100644
--- a/src/datadog_api_client/v1/models/__init__.py
+++ b/src/datadog_api_client/v1/models/__init__.py
@@ -254,6 +254,7 @@
 from datadog_api_client.v1.model.log_stream_widget_definition_type import LogStreamWidgetDefinitionType
 from datadog_api_client.v1.model.logs_api_error import LogsAPIError
 from datadog_api_client.v1.model.logs_api_error_response import LogsAPIErrorResponse
+from datadog_api_client.v1.model.logs_api_limit_reached_response import LogsAPILimitReachedResponse
 from datadog_api_client.v1.model.logs_arithmetic_processor import LogsArithmeticProcessor
 from datadog_api_client.v1.model.logs_arithmetic_processor_type import LogsArithmeticProcessorType
 from datadog_api_client.v1.model.logs_array_processor import LogsArrayProcessor
@@ -1326,6 +1327,7 @@
     "LogStreamWidgetDefinitionType",
     "LogsAPIError",
     "LogsAPIErrorResponse",
+    "LogsAPILimitReachedResponse",
     "LogsArithmeticProcessor",
     "LogsArithmeticProcessorType",
     "LogsArrayProcessor",
diff --git a/tests/v1/features/logs_indexes.feature b/tests/v1/features/logs_indexes.feature
index 635c2399c5..e94fea2c62 100644
--- a/tests/v1/features/logs_indexes.feature
+++ b/tests/v1/features/logs_indexes.feature
@@ -22,6 +22,13 @@ Feature: Logs Indexes
     When the request is sent
     Then the response status is 200 OK
 
+  @generated @skip @team:DataDog/logs-backend @team:DataDog/logs-core
+  Scenario: Create an index returns "Unprocessable Entity" response
+    Given new "CreateLogsIndex" request
+    And body with value {"daily_limit": 300000000, "daily_limit_reset": {"reset_time": "14:00", "reset_utc_offset": "+02:00"}, "daily_limit_warning_threshold_percentage": 70, "exclusion_filters": [{"filter": {"query": "*", "sample_rate": 1.0}, "name": "payment"}], "filter": {"query": "source:python"}, "name": "main", "num_flex_logs_retention_days": 360, "num_retention_days": 15}
+    When the request is sent
+    Then the response status is 422 Unprocessable Entity
+
   @generated @skip @team:DataDog/logs-backend @team:DataDog/logs-core
   Scenario: Delete an index returns "Not Found" response
     Given new "DeleteLogsIndex" request