diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index e694506b53..06cfae28ed 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -143143,7 +143143,10 @@ paths:
           - metrics_read
   /api/v2/metrics/config/bulk-tags:
     delete:
+      deprecated: true
       description: |-
+        **Note**: This endpoint is deprecated. Use [Tag Indexing Rules](/api/latest/metrics/#create-a-tag-indexing-rule) (`POST /api/v2/metrics/tag-indexing-rules`) instead.
+
         Delete all custom lists of queryable tag keys for a set of existing count, gauge, rate, and distribution metrics.
         Metrics are selected by passing a metric name prefix.
         Results can be sent to a set of account email addresses, just like the same operation in the Datadog web app.
@@ -143214,8 +143217,12 @@ paths:
         operator: OR
         permissions:
           - metric_tags_write
+      x-sunset: "2027-01-01"
     post:
+      deprecated: true
       description: |-
+        **Note**: This endpoint is deprecated. Use [Tag Indexing Rules](/api/latest/metrics/#create-a-tag-indexing-rule) (`POST /api/v2/metrics/tag-indexing-rules`) instead.
+
         Create and define a list of queryable tag keys for a set of existing count, gauge, rate, and distribution metrics.
         Metrics are selected by passing a metric name prefix. Use the Delete method of this API path to remove tag configurations.
         Results can be sent to a set of account email addresses, just like the same operation in the Datadog web app.
@@ -143294,6 +143301,7 @@ paths:
         operator: OR
         permissions:
           - metric_tags_write
+      x-sunset: "2027-01-01"
   /api/v2/metrics/tag-indexing-rules:
     get:
       description: List tag indexing rules for an org, sorted by `rule_order`, with offset/limit pagination.
diff --git a/src/datadogV2/api/api_metrics.rs b/src/datadogV2/api/api_metrics.rs
index 9ab9b0a298..50bb637536 100644
--- a/src/datadogV2/api/api_metrics.rs
+++ b/src/datadogV2/api/api_metrics.rs
@@ -588,6 +588,8 @@ impl MetricsAPI {
         Self { config, client }
     }
 
+    /// **Note**: This endpoint is deprecated. Use [Tag Indexing Rules](/api/latest/metrics/#create-a-tag-indexing-rule) (`POST /api/v2/metrics/tag-indexing-rules`) instead.
+    ///
     /// Create and define a list of queryable tag keys for a set of existing count, gauge, rate, and distribution metrics.
     /// Metrics are selected by passing a metric name prefix. Use the Delete method of this API path to remove tag configurations.
     /// Results can be sent to a set of account email addresses, just like the same operation in the Datadog web app.
@@ -619,6 +621,8 @@ impl MetricsAPI {
         }
     }
 
+    /// **Note**: This endpoint is deprecated. Use [Tag Indexing Rules](/api/latest/metrics/#create-a-tag-indexing-rule) (`POST /api/v2/metrics/tag-indexing-rules`) instead.
+    ///
     /// Create and define a list of queryable tag keys for a set of existing count, gauge, rate, and distribution metrics.
     /// Metrics are selected by passing a metric name prefix. Use the Delete method of this API path to remove tag configurations.
     /// Results can be sent to a set of account email addresses, just like the same operation in the Datadog web app.
@@ -1249,6 +1253,8 @@ impl MetricsAPI {
         }
     }
 
+    /// **Note**: This endpoint is deprecated. Use [Tag Indexing Rules](/api/latest/metrics/#create-a-tag-indexing-rule) (`POST /api/v2/metrics/tag-indexing-rules`) instead.
+    ///
     /// Delete all custom lists of queryable tag keys for a set of existing count, gauge, rate, and distribution metrics.
     /// Metrics are selected by passing a metric name prefix.
     /// Results can be sent to a set of account email addresses, just like the same operation in the Datadog web app.
@@ -1277,6 +1283,8 @@ impl MetricsAPI {
         }
     }
 
+    /// **Note**: This endpoint is deprecated. Use [Tag Indexing Rules](/api/latest/metrics/#create-a-tag-indexing-rule) (`POST /api/v2/metrics/tag-indexing-rules`) instead.
+    ///
     /// Delete all custom lists of queryable tag keys for a set of existing count, gauge, rate, and distribution metrics.
     /// Metrics are selected by passing a metric name prefix.
     /// Results can be sent to a set of account email addresses, just like the same operation in the Datadog web app.