diff --git a/.generator/schemas/v1/openapi.yaml b/.generator/schemas/v1/openapi.yaml
index 32d1be79c7..4e0c285360 100644
--- a/.generator/schemas/v1/openapi.yaml
+++ b/.generator/schemas/v1/openapi.yaml
@@ -11506,19 +11506,23 @@ components:
           format: double
           type: number
         estimated_indexed_spans_percentage:
-          description: The percentage of estimated indexed spans usage by tag(s).
+          deprecated: true
+          description: The percentage of estimated indexed spans usage by tag(s) (To be deprecated on February 1st, 2027).
           format: double
           type: number
         estimated_indexed_spans_usage:
-          description: The estimated indexed spans usage by tag(s).
+          deprecated: true
+          description: The estimated indexed spans usage by tag(s) (To be deprecated on February 1st, 2027).
           format: double
           type: number
         estimated_ingested_spans_percentage:
-          description: The percentage of estimated ingested spans usage by tag(s).
+          deprecated: true
+          description: The percentage of estimated ingested spans usage by tag(s) (To be deprecated on February 1st, 2027).
           format: double
           type: number
         estimated_ingested_spans_usage:
-          description: The estimated ingested spans usage by tag(s).
+          deprecated: true
+          description: The estimated ingested spans usage by tag(s) (To be deprecated on February 1st, 2027).
           format: double
           type: number
         fargate_percentage:
@@ -43108,6 +43112,8 @@ paths:
       description: |-
         Get hourly usage attribution. Multi-region data is available starting March 1, 2023.
 
+        **Note**: All `estimated_*` usage types will be deprecated on February 1, 2027.
+
         This API endpoint is paginated. To make sure you receive all records, check if the value of `next_record_id` is
         set in the response. If it is, make another request and pass `next_record_id` as a parameter.
         Pseudo code example:
@@ -43712,6 +43718,8 @@ paths:
       description: |-
         Get monthly usage attribution. Multi-region data is available starting March 1, 2023.
 
+        **Note**: All `estimated_*` usage types will be deprecated on February 1, 2027.
+
         This API endpoint is paginated. To make sure you receive all records, check if the value of `next_record_id` is
         set in the response. If it is, make another request and pass `next_record_id` as a parameter.
         Pseudo code example:
diff --git a/src/datadog_api_client/v1/api/usage_metering_api.py b/src/datadog_api_client/v1/api/usage_metering_api.py
index fb880ab01a..a2a00616fa 100644
--- a/src/datadog_api_client/v1/api/usage_metering_api.py
+++ b/src/datadog_api_client/v1/api/usage_metering_api.py
@@ -1266,6 +1266,8 @@ def get_hourly_usage_attribution(
 
         Get hourly usage attribution. Multi-region data is available starting March 1, 2023.
 
+        **Note** : All ``estimated_*`` usage types will be deprecated on February 1, 2027.
+
         This API endpoint is paginated. To make sure you receive all records, check if the value of ``next_record_id`` is
         set in the response. If it is, make another request and pass ``next_record_id`` as a parameter.
         Pseudo code example:
@@ -1429,6 +1431,8 @@ def get_monthly_usage_attribution(
 
         Get monthly usage attribution. Multi-region data is available starting March 1, 2023.
 
+        **Note** : All ``estimated_*`` usage types will be deprecated on February 1, 2027.
+
         This API endpoint is paginated. To make sure you receive all records, check if the value of ``next_record_id`` is
         set in the response. If it is, make another request and pass ``next_record_id`` as a parameter.
         Pseudo code example:
diff --git a/src/datadog_api_client/v1/model/monthly_usage_attribution_values.py b/src/datadog_api_client/v1/model/monthly_usage_attribution_values.py
index a6c92cdfd0..a444e80003 100644
--- a/src/datadog_api_client/v1/model/monthly_usage_attribution_values.py
+++ b/src/datadog_api_client/v1/model/monthly_usage_attribution_values.py
@@ -713,16 +713,16 @@ def __init__(
         :param error_tracking_usage: The error tracking events usage by tag(s).
         :type error_tracking_usage: float, optional
 
-        :param estimated_indexed_spans_percentage: The percentage of estimated indexed spans usage by tag(s).
+        :param estimated_indexed_spans_percentage: The percentage of estimated indexed spans usage by tag(s) (To be deprecated on February 1st, 2027). **Deprecated**.
         :type estimated_indexed_spans_percentage: float, optional
 
-        :param estimated_indexed_spans_usage: The estimated indexed spans usage by tag(s).
+        :param estimated_indexed_spans_usage: The estimated indexed spans usage by tag(s) (To be deprecated on February 1st, 2027). **Deprecated**.
         :type estimated_indexed_spans_usage: float, optional
 
-        :param estimated_ingested_spans_percentage: The percentage of estimated ingested spans usage by tag(s).
+        :param estimated_ingested_spans_percentage: The percentage of estimated ingested spans usage by tag(s) (To be deprecated on February 1st, 2027). **Deprecated**.
         :type estimated_ingested_spans_percentage: float, optional
 
-        :param estimated_ingested_spans_usage: The estimated ingested spans usage by tag(s).
+        :param estimated_ingested_spans_usage: The estimated ingested spans usage by tag(s) (To be deprecated on February 1st, 2027). **Deprecated**.
         :type estimated_ingested_spans_usage: float, optional
 
         :param fargate_percentage: The percentage of Fargate usage by tags.