diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index bfb6719791..0d193c323f 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -91830,16 +91830,42 @@ components:
       x-enum-varnames:
         - RECOMMENDATION
     RecommendationsFilterRequest:
-      description: Request body for filtering cost recommendations.
+      description: JSON:API request body for filtering cost recommendations.
       example:
-        filter: "@resource_table:aws_ec2_instance"
-        sort:
-          - expression: potential_daily_savings.amount
-            order: DESC
+        data:
+          attributes:
+            scope: ccm
+            sort:
+              - expression: potential_daily_savings.amount
+                order: DESC
+          id: "@resource_table:aws_ec2_instance"
+          type: recommendations_filter
       properties:
-        filter:
-          description: Filter expression applied to the recommendations.
+        data:
+          $ref: "#/components/schemas/RecommendationsFilterRequestData"
+      required:
+        - data
+      type: object
+    RecommendationsFilterRequestData:
+      description: |-
+        JSON:API resource containing the cost recommendations filter. This legacy search contract
+        uses the resource ID for the filter expression rather than as a persistent resource identifier.
+      properties:
+        attributes:
+          $ref: "#/components/schemas/RecommendationsFilterRequestDataAttributes"
+        id:
+          description: |-
+            Filter expression applied to the recommendations. The server treats an omitted ID as `*`
+            and returns all recommendations.
           type: string
+        type:
+          $ref: "#/components/schemas/RecommendationsFilterRequestDataType"
+      required:
+        - type
+      type: object
+    RecommendationsFilterRequestDataAttributes:
+      description: Attributes used to filter and sort cost recommendations.
+      properties:
         scope:
           $ref: "#/components/schemas/RecommendationsFilterRequestScope"
         sort:
@@ -91851,6 +91877,15 @@ components:
           description: Active view name (for example, `active`, `dismissed`, `open`, `in-progress`, or `completed`).
           type: string
       type: object
+    RecommendationsFilterRequestDataType:
+      default: recommendations_filter
+      description: Legacy JSON:API resource type required by the cost recommendations search decoder.
+      enum:
+        - recommendations_filter
+      example: recommendations_filter
+      type: string
+      x-enum-varnames:
+        - RECOMMENDATIONS_FILTER
     RecommendationsFilterRequestScope:
       description: Recommendations scope. Defaults to `ccm`; use `experiment` for experimental recommendations or `*` for both.
       enum:
@@ -145681,10 +145716,14 @@ paths:
             examples:
               default:
                 value:
-                  filter: "@resource_table:aws_ec2_instance"
-                  sort:
-                    - expression: potential_daily_savings.amount
-                      order: DESC
+                  data:
+                    attributes:
+                      scope: ccm
+                      sort:
+                        - expression: potential_daily_savings.amount
+                          order: DESC
+                    id: "@resource_table:aws_ec2_instance"
+                    type: recommendations_filter
             schema:
               $ref: "#/components/schemas/RecommendationsFilterRequest"
         required: true
diff --git a/examples/v2/cloud-cost-management/SearchCostRecommendations.py b/examples/v2/cloud-cost-management/SearchCostRecommendations.py
index 2f1002b5d1..7df7d836ae 100644
--- a/examples/v2/cloud-cost-management/SearchCostRecommendations.py
+++ b/examples/v2/cloud-cost-management/SearchCostRecommendations.py
@@ -5,16 +5,28 @@
 from datadog_api_client import ApiClient, Configuration
 from datadog_api_client.v2.api.cloud_cost_management_api import CloudCostManagementApi
 from datadog_api_client.v2.model.recommendations_filter_request import RecommendationsFilterRequest
+from datadog_api_client.v2.model.recommendations_filter_request_data import RecommendationsFilterRequestData
+from datadog_api_client.v2.model.recommendations_filter_request_data_attributes import (
+    RecommendationsFilterRequestDataAttributes,
+)
+from datadog_api_client.v2.model.recommendations_filter_request_data_type import RecommendationsFilterRequestDataType
+from datadog_api_client.v2.model.recommendations_filter_request_scope import RecommendationsFilterRequestScope
 from datadog_api_client.v2.model.recommendations_filter_request_sort_items import RecommendationsFilterRequestSortItems
 
 body = RecommendationsFilterRequest(
-    filter="@resource_table:aws_ec2_instance",
-    sort=[
-        RecommendationsFilterRequestSortItems(
-            expression="potential_daily_savings.amount",
-            order="DESC",
+    data=RecommendationsFilterRequestData(
+        attributes=RecommendationsFilterRequestDataAttributes(
+            scope=RecommendationsFilterRequestScope.CCM,
+            sort=[
+                RecommendationsFilterRequestSortItems(
+                    expression="potential_daily_savings.amount",
+                    order="DESC",
+                ),
+            ],
         ),
-    ],
+        id="@resource_table:aws_ec2_instance",
+        type=RecommendationsFilterRequestDataType.RECOMMENDATIONS_FILTER,
+    ),
 )
 
 configuration = Configuration()
diff --git a/src/datadog_api_client/v2/model/recommendations_filter_request.py b/src/datadog_api_client/v2/model/recommendations_filter_request.py
index d7e3d7215a..17d8517170 100644
--- a/src/datadog_api_client/v2/model/recommendations_filter_request.py
+++ b/src/datadog_api_client/v2/model/recommendations_filter_request.py
@@ -3,74 +3,39 @@
 # Copyright 2019-Present Datadog, Inc.
 from __future__ import annotations
 
-from typing import List, Union, TYPE_CHECKING
+from typing import TYPE_CHECKING
 
 from datadog_api_client.model_utils import (
     ModelNormal,
     cached_property,
-    unset,
-    UnsetType,
 )
 
 
 if TYPE_CHECKING:
-    from datadog_api_client.v2.model.recommendations_filter_request_scope import RecommendationsFilterRequestScope
-    from datadog_api_client.v2.model.recommendations_filter_request_sort_items import (
-        RecommendationsFilterRequestSortItems,
-    )
+    from datadog_api_client.v2.model.recommendations_filter_request_data import RecommendationsFilterRequestData
 
 
 class RecommendationsFilterRequest(ModelNormal):
     @cached_property
     def openapi_types(_):
-        from datadog_api_client.v2.model.recommendations_filter_request_scope import RecommendationsFilterRequestScope
-        from datadog_api_client.v2.model.recommendations_filter_request_sort_items import (
-            RecommendationsFilterRequestSortItems,
-        )
+        from datadog_api_client.v2.model.recommendations_filter_request_data import RecommendationsFilterRequestData
 
         return {
-            "filter": (str,),
-            "scope": (RecommendationsFilterRequestScope,),
-            "sort": ([RecommendationsFilterRequestSortItems],),
-            "view": (str,),
+            "data": (RecommendationsFilterRequestData,),
         }
 
     attribute_map = {
-        "filter": "filter",
-        "scope": "scope",
-        "sort": "sort",
-        "view": "view",
+        "data": "data",
     }
 
-    def __init__(
-        self_,
-        filter: Union[str, UnsetType] = unset,
-        scope: Union[RecommendationsFilterRequestScope, UnsetType] = unset,
-        sort: Union[List[RecommendationsFilterRequestSortItems], UnsetType] = unset,
-        view: Union[str, UnsetType] = unset,
-        **kwargs,
-    ):
+    def __init__(self_, data: RecommendationsFilterRequestData, **kwargs):
         """
-        Request body for filtering cost recommendations.
+        JSON:API request body for filtering cost recommendations.
 
-        :param filter: Filter expression applied to the recommendations.
-        :type filter: str, optional
-
-        :param scope: Recommendations scope. Defaults to ``ccm`` ; use ``experiment`` for experimental recommendations or ``*`` for both.
-        :type scope: RecommendationsFilterRequestScope, optional
-
-        :param sort: Ordered list of sort clauses applied to the result set.
-        :type sort: [RecommendationsFilterRequestSortItems], optional
-
-        :param view: Active view name (for example, ``active`` , ``dismissed`` , ``open`` , ``in-progress`` , or ``completed`` ).
-        :type view: str, optional
+        :param data: JSON:API resource containing the cost recommendations filter. This legacy search contract
+            uses the resource ID for the filter expression rather than as a persistent resource identifier.
+        :type data: RecommendationsFilterRequestData
         """
-        if filter is not unset:
-            kwargs["filter"] = filter
-        if scope is not unset:
-            kwargs["scope"] = scope
-        if sort is not unset:
-            kwargs["sort"] = sort
-        if view is not unset:
-            kwargs["view"] = view
         super().__init__(kwargs)
+
+        self_.data = data
diff --git a/src/datadog_api_client/v2/model/recommendations_filter_request_data.py b/src/datadog_api_client/v2/model/recommendations_filter_request_data.py
new file mode 100644
index 0000000000..86d70fa8b2
--- /dev/null
+++ b/src/datadog_api_client/v2/model/recommendations_filter_request_data.py
@@ -0,0 +1,74 @@
+# 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.v2.model.recommendations_filter_request_data_attributes import (
+        RecommendationsFilterRequestDataAttributes,
+    )
+    from datadog_api_client.v2.model.recommendations_filter_request_data_type import (
+        RecommendationsFilterRequestDataType,
+    )
+
+
+class RecommendationsFilterRequestData(ModelNormal):
+    @cached_property
+    def openapi_types(_):
+        from datadog_api_client.v2.model.recommendations_filter_request_data_attributes import (
+            RecommendationsFilterRequestDataAttributes,
+        )
+        from datadog_api_client.v2.model.recommendations_filter_request_data_type import (
+            RecommendationsFilterRequestDataType,
+        )
+
+        return {
+            "attributes": (RecommendationsFilterRequestDataAttributes,),
+            "id": (str,),
+            "type": (RecommendationsFilterRequestDataType,),
+        }
+
+    attribute_map = {
+        "attributes": "attributes",
+        "id": "id",
+        "type": "type",
+    }
+
+    def __init__(
+        self_,
+        type: RecommendationsFilterRequestDataType,
+        attributes: Union[RecommendationsFilterRequestDataAttributes, UnsetType] = unset,
+        id: Union[str, UnsetType] = unset,
+        **kwargs,
+    ):
+        """
+        JSON:API resource containing the cost recommendations filter. This legacy search contract
+        uses the resource ID for the filter expression rather than as a persistent resource identifier.
+
+        :param attributes: Attributes used to filter and sort cost recommendations.
+        :type attributes: RecommendationsFilterRequestDataAttributes, optional
+
+        :param id: Filter expression applied to the recommendations. The server treats an omitted ID as ``*``
+            and returns all recommendations.
+        :type id: str, optional
+
+        :param type: Legacy JSON:API resource type required by the cost recommendations search decoder.
+        :type type: RecommendationsFilterRequestDataType
+        """
+        if attributes is not unset:
+            kwargs["attributes"] = attributes
+        if id is not unset:
+            kwargs["id"] = id
+        super().__init__(kwargs)
+
+        self_.type = type
diff --git a/src/datadog_api_client/v2/model/recommendations_filter_request_data_attributes.py b/src/datadog_api_client/v2/model/recommendations_filter_request_data_attributes.py
new file mode 100644
index 0000000000..b54302743b
--- /dev/null
+++ b/src/datadog_api_client/v2/model/recommendations_filter_request_data_attributes.py
@@ -0,0 +1,68 @@
+# 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 List, Union, TYPE_CHECKING
+
+from datadog_api_client.model_utils import (
+    ModelNormal,
+    cached_property,
+    unset,
+    UnsetType,
+)
+
+
+if TYPE_CHECKING:
+    from datadog_api_client.v2.model.recommendations_filter_request_scope import RecommendationsFilterRequestScope
+    from datadog_api_client.v2.model.recommendations_filter_request_sort_items import (
+        RecommendationsFilterRequestSortItems,
+    )
+
+
+class RecommendationsFilterRequestDataAttributes(ModelNormal):
+    @cached_property
+    def openapi_types(_):
+        from datadog_api_client.v2.model.recommendations_filter_request_scope import RecommendationsFilterRequestScope
+        from datadog_api_client.v2.model.recommendations_filter_request_sort_items import (
+            RecommendationsFilterRequestSortItems,
+        )
+
+        return {
+            "scope": (RecommendationsFilterRequestScope,),
+            "sort": ([RecommendationsFilterRequestSortItems],),
+            "view": (str,),
+        }
+
+    attribute_map = {
+        "scope": "scope",
+        "sort": "sort",
+        "view": "view",
+    }
+
+    def __init__(
+        self_,
+        scope: Union[RecommendationsFilterRequestScope, UnsetType] = unset,
+        sort: Union[List[RecommendationsFilterRequestSortItems], UnsetType] = unset,
+        view: Union[str, UnsetType] = unset,
+        **kwargs,
+    ):
+        """
+        Attributes used to filter and sort cost recommendations.
+
+        :param scope: Recommendations scope. Defaults to ``ccm`` ; use ``experiment`` for experimental recommendations or ``*`` for both.
+        :type scope: RecommendationsFilterRequestScope, optional
+
+        :param sort: Ordered list of sort clauses applied to the result set.
+        :type sort: [RecommendationsFilterRequestSortItems], optional
+
+        :param view: Active view name (for example, ``active`` , ``dismissed`` , ``open`` , ``in-progress`` , or ``completed`` ).
+        :type view: str, optional
+        """
+        if scope is not unset:
+            kwargs["scope"] = scope
+        if sort is not unset:
+            kwargs["sort"] = sort
+        if view is not unset:
+            kwargs["view"] = view
+        super().__init__(kwargs)
diff --git a/src/datadog_api_client/v2/model/recommendations_filter_request_data_type.py b/src/datadog_api_client/v2/model/recommendations_filter_request_data_type.py
new file mode 100644
index 0000000000..0d7a25a276
--- /dev/null
+++ b/src/datadog_api_client/v2/model/recommendations_filter_request_data_type.py
@@ -0,0 +1,37 @@
+# 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 datadog_api_client.model_utils import (
+    ModelSimple,
+    cached_property,
+)
+
+from typing import ClassVar
+
+
+class RecommendationsFilterRequestDataType(ModelSimple):
+    """
+    Legacy JSON:API resource type required by the cost recommendations search decoder.
+
+    :param value: If omitted defaults to "recommendations_filter". Must be one of ["recommendations_filter"].
+    :type value: str
+    """
+
+    allowed_values = {
+        "recommendations_filter",
+    }
+    RECOMMENDATIONS_FILTER: ClassVar["RecommendationsFilterRequestDataType"]
+
+    @cached_property
+    def openapi_types(_):
+        return {
+            "value": (str,),
+        }
+
+
+RecommendationsFilterRequestDataType.RECOMMENDATIONS_FILTER = RecommendationsFilterRequestDataType(
+    "recommendations_filter"
+)
diff --git a/src/datadog_api_client/v2/models/__init__.py b/src/datadog_api_client/v2/models/__init__.py
index 56f43e7d2a..27ee53f7fc 100644
--- a/src/datadog_api_client/v2/models/__init__.py
+++ b/src/datadog_api_client/v2/models/__init__.py
@@ -8007,6 +8007,11 @@
 from datadog_api_client.v2.model.recommendation_document import RecommendationDocument
 from datadog_api_client.v2.model.recommendation_type import RecommendationType
 from datadog_api_client.v2.model.recommendations_filter_request import RecommendationsFilterRequest
+from datadog_api_client.v2.model.recommendations_filter_request_data import RecommendationsFilterRequestData
+from datadog_api_client.v2.model.recommendations_filter_request_data_attributes import (
+    RecommendationsFilterRequestDataAttributes,
+)
+from datadog_api_client.v2.model.recommendations_filter_request_data_type import RecommendationsFilterRequestDataType
 from datadog_api_client.v2.model.recommendations_filter_request_scope import RecommendationsFilterRequestScope
 from datadog_api_client.v2.model.recommendations_filter_request_sort_items import RecommendationsFilterRequestSortItems
 from datadog_api_client.v2.model.recommendations_page_meta import RecommendationsPageMeta
@@ -17114,6 +17119,9 @@
     "RecommendationDocument",
     "RecommendationType",
     "RecommendationsFilterRequest",
+    "RecommendationsFilterRequestData",
+    "RecommendationsFilterRequestDataAttributes",
+    "RecommendationsFilterRequestDataType",
     "RecommendationsFilterRequestScope",
     "RecommendationsFilterRequestSortItems",
     "RecommendationsPageMeta",
diff --git a/tests/v2/features/cloud_cost_management.feature b/tests/v2/features/cloud_cost_management.feature
index 205054b8a5..f6298e74f2 100644
--- a/tests/v2/features/cloud_cost_management.feature
+++ b/tests/v2/features/cloud_cost_management.feature
@@ -974,7 +974,7 @@ Feature: Cloud Cost Management
   Scenario: Search cost recommendations returns "OK" response
     Given operation "SearchCostRecommendations" enabled
     And new "SearchCostRecommendations" request
-    And body with value {"filter": "@resource_table:aws_ec2_instance", "sort": [{"expression": "potential_daily_savings.amount", "order": "DESC"}]}
+    And body with value {"data": {"attributes": {"scope": "ccm", "sort": [{"expression": "potential_daily_savings.amount", "order": "DESC"}]}, "id": "@resource_table:aws_ec2_instance", "type": "recommendations_filter"}}
     When the request is sent
     Then the response status is 200 OK