diff --git a/.generator/schemas/v1/openapi.yaml b/.generator/schemas/v1/openapi.yaml
index 2e3684fae4..6502314012 100644
--- a/.generator/schemas/v1/openapi.yaml
+++ b/.generator/schemas/v1/openapi.yaml
@@ -24164,6 +24164,9 @@ components:
       additionalProperties: false
       description: Wrapper for live span
       properties:
+        hide_incomplete_cost_data:
+          description: Whether to hide incomplete cost data in the widget.
+          type: boolean
         live_span:
           $ref: '#/components/schemas/WidgetLiveSpan'
       type: object
@@ -24364,6 +24367,9 @@ components:
           format: int64
           minimum: 0
           type: integer
+        hide_incomplete_cost_data:
+          description: Whether to hide incomplete cost data in the widget.
+          type: boolean
         to:
           description: End time in seconds since epoch.
           example: 1712083128
@@ -24388,6 +24394,9 @@ components:
     WidgetNewLiveSpan:
       description: Used for arbitrary live span times, such as 17 minutes or 6 hours.
       properties:
+        hide_incomplete_cost_data:
+          description: Whether to hide incomplete cost data in the widget.
+          type: boolean
         type:
           $ref: '#/components/schemas/WidgetNewLiveSpanType'
         unit:
diff --git a/examples/v1/dashboards/CreateDashboard_3066042014.py b/examples/v1/dashboards/CreateDashboard_3066042014.py
index c63dbcae6d..b449de3fd3 100644
--- a/examples/v1/dashboards/CreateDashboard_3066042014.py
+++ b/examples/v1/dashboards/CreateDashboard_3066042014.py
@@ -53,6 +53,7 @@
                     type=WidgetNewLiveSpanType.LIVE,
                     unit=WidgetLiveSpanUnit.MINUTE,
                     value=8,
+                    hide_incomplete_cost_data=True,
                 ),
                 type=TimeseriesWidgetDefinitionType.TIMESERIES,
                 requests=[
diff --git a/examples/v1/dashboards/CreateDashboard_3451918078.py b/examples/v1/dashboards/CreateDashboard_3451918078.py
index ef7149e385..c7f4336650 100644
--- a/examples/v1/dashboards/CreateDashboard_3451918078.py
+++ b/examples/v1/dashboards/CreateDashboard_3451918078.py
@@ -52,6 +52,7 @@
                     type=WidgetNewFixedSpanType.FIXED,
                     _from=1712080128,
                     to=1712083128,
+                    hide_incomplete_cost_data=True,
                 ),
                 type=TimeseriesWidgetDefinitionType.TIMESERIES,
                 requests=[
diff --git a/examples/v1/dashboards/CreateDashboard_4262729673.py b/examples/v1/dashboards/CreateDashboard_4262729673.py
index 47c0392235..70ea0a7ae5 100644
--- a/examples/v1/dashboards/CreateDashboard_4262729673.py
+++ b/examples/v1/dashboards/CreateDashboard_4262729673.py
@@ -50,6 +50,7 @@
                 ],
                 time=WidgetLegacyLiveSpan(
                     live_span=WidgetLiveSpan.PAST_FIVE_MINUTES,
+                    hide_incomplete_cost_data=True,
                 ),
                 type=TimeseriesWidgetDefinitionType.TIMESERIES,
                 requests=[
diff --git a/src/datadog_api_client/v1/model/widget_legacy_live_span.py b/src/datadog_api_client/v1/model/widget_legacy_live_span.py
index 1cbaa9da04..7ee26811a7 100644
--- a/src/datadog_api_client/v1/model/widget_legacy_live_span.py
+++ b/src/datadog_api_client/v1/model/widget_legacy_live_span.py
@@ -27,20 +27,32 @@ def openapi_types(_):
         from datadog_api_client.v1.model.widget_live_span import WidgetLiveSpan
 
         return {
+            "hide_incomplete_cost_data": (bool,),
             "live_span": (WidgetLiveSpan,),
         }
 
     attribute_map = {
+        "hide_incomplete_cost_data": "hide_incomplete_cost_data",
         "live_span": "live_span",
     }
 
-    def __init__(self_, live_span: Union[WidgetLiveSpan, UnsetType] = unset, **kwargs):
+    def __init__(
+        self_,
+        hide_incomplete_cost_data: Union[bool, UnsetType] = unset,
+        live_span: Union[WidgetLiveSpan, UnsetType] = unset,
+        **kwargs,
+    ):
         """
         Wrapper for live span
 
+        :param hide_incomplete_cost_data: Whether to hide incomplete cost data in the widget.
+        :type hide_incomplete_cost_data: bool, optional
+
         :param live_span: The available timeframes depend on the widget you are using.
         :type live_span: WidgetLiveSpan, optional
         """
+        if hide_incomplete_cost_data is not unset:
+            kwargs["hide_incomplete_cost_data"] = hide_incomplete_cost_data
         if live_span is not unset:
             kwargs["live_span"] = live_span
         super().__init__(kwargs)
diff --git a/src/datadog_api_client/v1/model/widget_new_fixed_span.py b/src/datadog_api_client/v1/model/widget_new_fixed_span.py
index 60dad6a0ab..9e70e66d78 100644
--- a/src/datadog_api_client/v1/model/widget_new_fixed_span.py
+++ b/src/datadog_api_client/v1/model/widget_new_fixed_span.py
@@ -3,11 +3,13 @@
 # Copyright 2019-Present Datadog, Inc.
 from __future__ import annotations
 
-from typing import TYPE_CHECKING
+from typing import Union, TYPE_CHECKING
 
 from datadog_api_client.model_utils import (
     ModelNormal,
     cached_property,
+    unset,
+    UnsetType,
 )
 
 
@@ -31,29 +33,43 @@ def openapi_types(_):
 
         return {
             "_from": (int,),
+            "hide_incomplete_cost_data": (bool,),
             "to": (int,),
             "type": (WidgetNewFixedSpanType,),
         }
 
     attribute_map = {
         "_from": "from",
+        "hide_incomplete_cost_data": "hide_incomplete_cost_data",
         "to": "to",
         "type": "type",
     }
 
-    def __init__(self_, _from: int, to: int, type: WidgetNewFixedSpanType, **kwargs):
+    def __init__(
+        self_,
+        _from: int,
+        to: int,
+        type: WidgetNewFixedSpanType,
+        hide_incomplete_cost_data: Union[bool, UnsetType] = unset,
+        **kwargs,
+    ):
         """
         Used for fixed span times, such as 'March 1 to March 7'.
 
         :param _from: Start time in seconds since epoch.
         :type _from: int
 
+        :param hide_incomplete_cost_data: Whether to hide incomplete cost data in the widget.
+        :type hide_incomplete_cost_data: bool, optional
+
         :param to: End time in seconds since epoch.
         :type to: int
 
         :param type: Type "fixed" denotes a fixed span.
         :type type: WidgetNewFixedSpanType
         """
+        if hide_incomplete_cost_data is not unset:
+            kwargs["hide_incomplete_cost_data"] = hide_incomplete_cost_data
         super().__init__(kwargs)
 
         self_._from = _from
diff --git a/src/datadog_api_client/v1/model/widget_new_live_span.py b/src/datadog_api_client/v1/model/widget_new_live_span.py
index 19614e033a..665aa07685 100644
--- a/src/datadog_api_client/v1/model/widget_new_live_span.py
+++ b/src/datadog_api_client/v1/model/widget_new_live_span.py
@@ -3,11 +3,13 @@
 # Copyright 2019-Present Datadog, Inc.
 from __future__ import annotations
 
-from typing import TYPE_CHECKING
+from typing import Union, TYPE_CHECKING
 
 from datadog_api_client.model_utils import (
     ModelNormal,
     cached_property,
+    unset,
+    UnsetType,
 )
 
 
@@ -29,21 +31,33 @@ def openapi_types(_):
         from datadog_api_client.v1.model.widget_live_span_unit import WidgetLiveSpanUnit
 
         return {
+            "hide_incomplete_cost_data": (bool,),
             "type": (WidgetNewLiveSpanType,),
             "unit": (WidgetLiveSpanUnit,),
             "value": (int,),
         }
 
     attribute_map = {
+        "hide_incomplete_cost_data": "hide_incomplete_cost_data",
         "type": "type",
         "unit": "unit",
         "value": "value",
     }
 
-    def __init__(self_, type: WidgetNewLiveSpanType, unit: WidgetLiveSpanUnit, value: int, **kwargs):
+    def __init__(
+        self_,
+        type: WidgetNewLiveSpanType,
+        unit: WidgetLiveSpanUnit,
+        value: int,
+        hide_incomplete_cost_data: Union[bool, UnsetType] = unset,
+        **kwargs,
+    ):
         """
         Used for arbitrary live span times, such as 17 minutes or 6 hours.
 
+        :param hide_incomplete_cost_data: Whether to hide incomplete cost data in the widget.
+        :type hide_incomplete_cost_data: bool, optional
+
         :param type: Type "live" denotes a live span in the new format.
         :type type: WidgetNewLiveSpanType
 
@@ -53,6 +67,8 @@ def __init__(self_, type: WidgetNewLiveSpanType, unit: WidgetLiveSpanUnit, value
         :param value: Value of the time span.
         :type value: int
         """
+        if hide_incomplete_cost_data is not unset:
+            kwargs["hide_incomplete_cost_data"] = hide_incomplete_cost_data
         super().__init__(kwargs)
 
         self_.type = type
diff --git a/src/datadog_api_client/v1/model/widget_time.py b/src/datadog_api_client/v1/model/widget_time.py
index 9f2fdd14a7..77370a9d62 100644
--- a/src/datadog_api_client/v1/model/widget_time.py
+++ b/src/datadog_api_client/v1/model/widget_time.py
@@ -15,6 +15,9 @@ def __init__(self, **kwargs):
         """
         Time setting for the widget.
 
+        :param hide_incomplete_cost_data: Whether to hide incomplete cost data in the widget.
+        :type hide_incomplete_cost_data: bool, optional
+
         :param live_span: The available timeframes depend on the widget you are using.
         :type live_span: WidgetLiveSpan, optional
 
diff --git a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_legacy_live_span_time_format.frozen b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_legacy_live_span_time_format.frozen
index c8e222ab20..6cbda14f17 100644
--- a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_legacy_live_span_time_format.frozen
+++ b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_legacy_live_span_time_format.frozen
@@ -1 +1 @@
-2024-11-15T19:33:02.539Z
\ No newline at end of file
+2025-08-26T19:47:58.449Z
\ No newline at end of file
diff --git a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_legacy_live_span_time_format.yaml b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_legacy_live_span_time_format.yaml
index 2d5b58e3b0..cc5b177719 100644
--- a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_legacy_live_span_time_format.yaml
+++ b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_legacy_live_span_time_format.yaml
@@ -1,7 +1,7 @@
 interactions:
 - request:
-    body: '{"layout_type":"ordered","reflow_type":"auto","title":"Test-Create_a_new_timeseries_widget_with_legacy_live_span_time_format-1731699182
-      with legacy live span time","widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"live_span":"5m"},"title":"","type":"timeseries"}}]}'
+    body: '{"layout_type":"ordered","reflow_type":"auto","title":"Test-Create_a_new_timeseries_widget_with_legacy_live_span_time_format-1756237678
+      with legacy live span time","widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"hide_incomplete_cost_data":true,"live_span":"5m"},"title":"","type":"timeseries"}}]}'
     headers:
       accept:
       - application/json
@@ -11,10 +11,9 @@ interactions:
     uri: https://api.datadoghq.com/api/v1/dashboard
   response:
     body:
-      string: '{"id":"3zr-n9a-dfd","title":"Test-Create_a_new_timeseries_widget_with_legacy_live_span_time_format-1731699182
-        with legacy live span time","description":null,"author_handle":"frog@datadoghq.com","author_name":null,"layout_type":"ordered","url":"/dashboard/3zr-n9a-dfd/test-createanewtimeserieswidgetwithlegacylivespantimeformat-1731699182-with-lega","is_read_only":false,"template_variables":null,"widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"live_span":"5m"},"title":"","type":"timeseries"},"id":5376392318113781}],"notify_list":null,"created_at":"2024-11-15T19:33:02.697929+00:00","modified_at":"2024-11-15T19:33:02.697929+00:00","reflow_type":"auto","restricted_roles":[]}
-
-        '
+      string: '{"id":"wek-eci-qnn","title":"Test-Create_a_new_timeseries_widget_with_legacy_live_span_time_format-1756237678
+        with legacy live span time","description":null,"author_handle":"9919ec9b-ebc7-49ee-8dc8-03626e717cca","author_name":"CI
+        Account","layout_type":"ordered","url":"/dashboard/wek-eci-qnn/test-createanewtimeserieswidgetwithlegacylivespantimeformat-1756237678-with-lega","template_variables":null,"widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"hide_incomplete_cost_data":true,"live_span":"5m"},"title":"","type":"timeseries"},"id":3088384387119347}],"notify_list":null,"created_at":"2025-08-26T19:47:58.616519+00:00","modified_at":"2025-08-26T19:47:58.616519+00:00","reflow_type":"auto","restricted_roles":[]}'
     headers:
       content-type:
       - application/json
@@ -27,10 +26,10 @@ interactions:
       accept:
       - application/json
     method: DELETE
-    uri: https://api.datadoghq.com/api/v1/dashboard/3zr-n9a-dfd
+    uri: https://api.datadoghq.com/api/v1/dashboard/wek-eci-qnn
   response:
     body:
-      string: '{"deleted_dashboard_id":"3zr-n9a-dfd"}
+      string: '{"deleted_dashboard_id":"wek-eci-qnn"}
 
         '
     headers:
diff --git a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_fixed_span_time_format.frozen b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_fixed_span_time_format.frozen
index 740efedb27..954a958843 100644
--- a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_fixed_span_time_format.frozen
+++ b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_fixed_span_time_format.frozen
@@ -1 +1 @@
-2024-11-15T19:33:02.942Z
\ No newline at end of file
+2025-08-26T19:47:58.908Z
\ No newline at end of file
diff --git a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_fixed_span_time_format.yaml b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_fixed_span_time_format.yaml
index 2102c31ff9..ed5f167351 100644
--- a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_fixed_span_time_format.yaml
+++ b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_fixed_span_time_format.yaml
@@ -1,7 +1,7 @@
 interactions:
 - request:
-    body: '{"layout_type":"ordered","reflow_type":"auto","title":"Test-Create_a_new_timeseries_widget_with_new_fixed_span_time_format-1731699182
-      with new fixed span time","widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"from":1712080128,"to":1712083128,"type":"fixed"},"title":"","type":"timeseries"}}]}'
+    body: '{"layout_type":"ordered","reflow_type":"auto","title":"Test-Create_a_new_timeseries_widget_with_new_fixed_span_time_format-1756237678
+      with new fixed span time","widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"from":1712080128,"hide_incomplete_cost_data":true,"to":1712083128,"type":"fixed"},"title":"","type":"timeseries"}}]}'
     headers:
       accept:
       - application/json
@@ -11,10 +11,9 @@ interactions:
     uri: https://api.datadoghq.com/api/v1/dashboard
   response:
     body:
-      string: '{"id":"xfq-c2m-cqi","title":"Test-Create_a_new_timeseries_widget_with_new_fixed_span_time_format-1731699182
-        with new fixed span time","description":null,"author_handle":"frog@datadoghq.com","author_name":null,"layout_type":"ordered","url":"/dashboard/xfq-c2m-cqi/test-createanewtimeserieswidgetwithnewfixedspantimeformat-1731699182-with-new-fi","is_read_only":false,"template_variables":null,"widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"from":1712080128,"to":1712083128,"type":"fixed"},"title":"","type":"timeseries"},"id":7353899445937131}],"notify_list":null,"created_at":"2024-11-15T19:33:03.107998+00:00","modified_at":"2024-11-15T19:33:03.107998+00:00","reflow_type":"auto","restricted_roles":[]}
-
-        '
+      string: '{"id":"43b-7uw-9hv","title":"Test-Create_a_new_timeseries_widget_with_new_fixed_span_time_format-1756237678
+        with new fixed span time","description":null,"author_handle":"9919ec9b-ebc7-49ee-8dc8-03626e717cca","author_name":"CI
+        Account","layout_type":"ordered","url":"/dashboard/43b-7uw-9hv/test-createanewtimeserieswidgetwithnewfixedspantimeformat-1756237678-with-new-fi","template_variables":null,"widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"from":1712080128,"hide_incomplete_cost_data":true,"to":1712083128,"type":"fixed"},"title":"","type":"timeseries"},"id":7908755715912813}],"notify_list":null,"created_at":"2025-08-26T19:47:59.063106+00:00","modified_at":"2025-08-26T19:47:59.063106+00:00","reflow_type":"auto","restricted_roles":[]}'
     headers:
       content-type:
       - application/json
@@ -27,10 +26,10 @@ interactions:
       accept:
       - application/json
     method: DELETE
-    uri: https://api.datadoghq.com/api/v1/dashboard/xfq-c2m-cqi
+    uri: https://api.datadoghq.com/api/v1/dashboard/43b-7uw-9hv
   response:
     body:
-      string: '{"deleted_dashboard_id":"xfq-c2m-cqi"}
+      string: '{"deleted_dashboard_id":"43b-7uw-9hv"}
 
         '
     headers:
diff --git a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_live_span_time_format.frozen b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_live_span_time_format.frozen
index b05fa906e0..b4d5164c57 100644
--- a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_live_span_time_format.frozen
+++ b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_live_span_time_format.frozen
@@ -1 +1 @@
-2024-11-15T19:33:03.421Z
\ No newline at end of file
+2025-08-26T19:47:59.336Z
\ No newline at end of file
diff --git a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_live_span_time_format.yaml b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_live_span_time_format.yaml
index c776347ec1..d16bef0441 100644
--- a/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_live_span_time_format.yaml
+++ b/tests/v1/cassettes/test_scenarios/test_create_a_new_timeseries_widget_with_new_live_span_time_format.yaml
@@ -1,7 +1,7 @@
 interactions:
 - request:
-    body: '{"layout_type":"ordered","reflow_type":"auto","title":"Test-Create_a_new_timeseries_widget_with_new_live_span_time_format-1731699183
-      with new live span time","widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"type":"live","unit":"minute","value":8},"title":"","type":"timeseries"}}]}'
+    body: '{"layout_type":"ordered","reflow_type":"auto","title":"Test-Create_a_new_timeseries_widget_with_new_live_span_time_format-1756237679
+      with new live span time","widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"hide_incomplete_cost_data":true,"type":"live","unit":"minute","value":8},"title":"","type":"timeseries"}}]}'
     headers:
       accept:
       - application/json
@@ -11,10 +11,9 @@ interactions:
     uri: https://api.datadoghq.com/api/v1/dashboard
   response:
     body:
-      string: '{"id":"vtq-7wk-ezs","title":"Test-Create_a_new_timeseries_widget_with_new_live_span_time_format-1731699183
-        with new live span time","description":null,"author_handle":"frog@datadoghq.com","author_name":null,"layout_type":"ordered","url":"/dashboard/vtq-7wk-ezs/test-createanewtimeserieswidgetwithnewlivespantimeformat-1731699183-with-new-liv","is_read_only":false,"template_variables":null,"widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"type":"live","unit":"minute","value":8},"title":"","type":"timeseries"},"id":5791200763250393}],"notify_list":null,"created_at":"2024-11-15T19:33:03.610036+00:00","modified_at":"2024-11-15T19:33:03.610036+00:00","reflow_type":"auto","restricted_roles":[]}
-
-        '
+      string: '{"id":"gwt-rfa-qem","title":"Test-Create_a_new_timeseries_widget_with_new_live_span_time_format-1756237679
+        with new live span time","description":null,"author_handle":"9919ec9b-ebc7-49ee-8dc8-03626e717cca","author_name":"CI
+        Account","layout_type":"ordered","url":"/dashboard/gwt-rfa-qem/test-createanewtimeserieswidgetwithnewlivespantimeformat-1756237679-with-new-liv","template_variables":null,"widgets":[{"definition":{"legend_columns":["avg","min","max","value","sum"],"legend_layout":"auto","requests":[{"display_type":"line","formulas":[{"formula":"query1"}],"queries":[{"compute":{"aggregation":"count","metric":"@ci.queue_time"},"data_source":"ci_pipelines","group_by":[],"indexes":["*"],"name":"query1","search":{"query":"ci_level:job"}}],"response_format":"timeseries","style":{"line_type":"solid","line_width":"normal","palette":"dog_classic"}}],"show_legend":true,"time":{"hide_incomplete_cost_data":true,"type":"live","unit":"minute","value":8},"title":"","type":"timeseries"},"id":6382558947547501}],"notify_list":null,"created_at":"2025-08-26T19:47:59.501406+00:00","modified_at":"2025-08-26T19:47:59.501406+00:00","reflow_type":"auto","restricted_roles":[]}'
     headers:
       content-type:
       - application/json
@@ -27,10 +26,10 @@ interactions:
       accept:
       - application/json
     method: DELETE
-    uri: https://api.datadoghq.com/api/v1/dashboard/vtq-7wk-ezs
+    uri: https://api.datadoghq.com/api/v1/dashboard/gwt-rfa-qem
   response:
     body:
-      string: '{"deleted_dashboard_id":"vtq-7wk-ezs"}
+      string: '{"deleted_dashboard_id":"gwt-rfa-qem"}
 
         '
     headers:
diff --git a/tests/v1/features/dashboards.feature b/tests/v1/features/dashboards.feature
index 47794c745f..f267082830 100644
--- a/tests/v1/features/dashboards.feature
+++ b/tests/v1/features/dashboards.feature
@@ -922,30 +922,33 @@ Feature: Dashboards
   @team:DataDog/dashboards-backend
   Scenario: Create a new timeseries widget with legacy live span time format
     Given new "CreateDashboard" request
-    And body with value {"title":"{{ unique }} with legacy live span time","widgets":[{"definition":{"title":"","show_legend":true,"legend_layout":"auto","legend_columns":["avg","min","max","value","sum"],"time":{"live_span": "5m"},"type":"timeseries","requests":[{"formulas":[{"formula":"query1"}],"queries":[{"data_source":"ci_pipelines","name":"query1","search":{"query":"ci_level:job"},"indexes":["*"],"compute":{"aggregation":"count", "metric": "@ci.queue_time"},"group_by":[]}],"response_format":"timeseries","style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"}]}}],"layout_type":"ordered","reflow_type":"auto"}
+    And body with value {"title":"{{ unique }} with legacy live span time","widgets":[{"definition":{"title":"","show_legend":true,"legend_layout":"auto","legend_columns":["avg","min","max","value","sum"],"time":{"live_span": "5m", "hide_incomplete_cost_data": true},"type":"timeseries","requests":[{"formulas":[{"formula":"query1"}],"queries":[{"data_source":"ci_pipelines","name":"query1","search":{"query":"ci_level:job"},"indexes":["*"],"compute":{"aggregation":"count", "metric": "@ci.queue_time"},"group_by":[]}],"response_format":"timeseries","style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"}]}}],"layout_type":"ordered","reflow_type":"auto"}
     When the request is sent
     Then the response status is 200 OK
     And the response "widgets[0].definition.time.live_span" is equal to "5m"
+    And the response "widgets[0].definition.time.hide_incomplete_cost_data" is equal to true
 
   @team:DataDog/dashboards-backend
   Scenario: Create a new timeseries widget with new fixed span time format
     Given new "CreateDashboard" request
-    And body with value {"title":"{{ unique }} with new fixed span time","widgets":[{"definition":{"title":"","show_legend":true,"legend_layout":"auto","legend_columns":["avg","min","max","value","sum"],"time":{"type": "fixed", "from": 1712080128, "to": 1712083128},"type":"timeseries","requests":[{"formulas":[{"formula":"query1"}],"queries":[{"data_source":"ci_pipelines","name":"query1","search":{"query":"ci_level:job"},"indexes":["*"],"compute":{"aggregation":"count", "metric": "@ci.queue_time"},"group_by":[]}],"response_format":"timeseries","style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"}]}}],"layout_type":"ordered","reflow_type":"auto"}
+    And body with value {"title":"{{ unique }} with new fixed span time","widgets":[{"definition":{"title":"","show_legend":true,"legend_layout":"auto","legend_columns":["avg","min","max","value","sum"],"time":{"type": "fixed", "from": 1712080128, "to": 1712083128, "hide_incomplete_cost_data": true},"type":"timeseries","requests":[{"formulas":[{"formula":"query1"}],"queries":[{"data_source":"ci_pipelines","name":"query1","search":{"query":"ci_level:job"},"indexes":["*"],"compute":{"aggregation":"count", "metric": "@ci.queue_time"},"group_by":[]}],"response_format":"timeseries","style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"}]}}],"layout_type":"ordered","reflow_type":"auto"}
     When the request is sent
     Then the response status is 200 OK
     And the response "widgets[0].definition.time.type" is equal to "fixed"
     And the response "widgets[0].definition.time.from" is equal to 1712080128
     And the response "widgets[0].definition.time.to" is equal to 1712083128
+    And the response "widgets[0].definition.time.hide_incomplete_cost_data" is equal to true
 
   @team:DataDog/dashboards-backend
   Scenario: Create a new timeseries widget with new live span time format
     Given new "CreateDashboard" request
-    And body with value {"title":"{{ unique }} with new live span time","widgets":[{"definition":{"title":"","show_legend":true,"legend_layout":"auto","legend_columns":["avg","min","max","value","sum"],"time":{"type": "live", "unit": "minute", "value": 8},"type":"timeseries","requests":[{"formulas":[{"formula":"query1"}],"queries":[{"data_source":"ci_pipelines","name":"query1","search":{"query":"ci_level:job"},"indexes":["*"],"compute":{"aggregation":"count", "metric": "@ci.queue_time"},"group_by":[]}],"response_format":"timeseries","style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"}]}}],"layout_type":"ordered","reflow_type":"auto"}
+    And body with value {"title":"{{ unique }} with new live span time","widgets":[{"definition":{"title":"","show_legend":true,"legend_layout":"auto","legend_columns":["avg","min","max","value","sum"],"time":{"type": "live", "unit": "minute", "value": 8, "hide_incomplete_cost_data": true},"type":"timeseries","requests":[{"formulas":[{"formula":"query1"}],"queries":[{"data_source":"ci_pipelines","name":"query1","search":{"query":"ci_level:job"},"indexes":["*"],"compute":{"aggregation":"count", "metric": "@ci.queue_time"},"group_by":[]}],"response_format":"timeseries","style":{"palette":"dog_classic","line_type":"solid","line_width":"normal"},"display_type":"line"}]}}],"layout_type":"ordered","reflow_type":"auto"}
     When the request is sent
     Then the response status is 200 OK
     And the response "widgets[0].definition.time.type" is equal to "live"
     And the response "widgets[0].definition.time.unit" is equal to "minute"
     And the response "widgets[0].definition.time.value" is equal to 8
+    And the response "widgets[0].definition.time.hide_incomplete_cost_data" is equal to true
 
   @generated @skip @team:DataDog/reporting-and-sharing
   Scenario: Create a shared dashboard returns "Bad Request" response