diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index 9e31333a3d0..ff75c086316 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -66274,7 +66274,7 @@ components:
     MetricEstimateType:
       default: count_or_gauge
       description: |-
-        Estimate type based on the queried configuration. By default, `count_or_gauge` is returned. `distribution` is returned for distribution metrics without percentiles enabled. Lastly, `percentile` is returned if `filter[pct]=true` is queried with a distribution metric.
+        Estimate type based on the queried configuration. `count_or_gauge` is returned by default, and `distribution` is returned for distribution metrics. The `filter[pct]` query parameter has no effect on this value.
       enum:
         - count_or_gauge
         - distribution
@@ -171024,6 +171024,14 @@ paths:
           required: false
           schema:
             type: string
+        - description: |-
+            When `true`, `filter[groups]` is treated as an exclude list instead of an include list. Defaults to `false`.
+          example: false
+          in: query
+          name: filter[exclude_tags_mode]
+          required: false
+          schema:
+            type: boolean
         - description: The number of hours of look back (from now) to estimate cardinality with. If unspecified, it defaults to 0 hours.
           example: 49
           in: query
@@ -171043,7 +171051,7 @@ paths:
             format: int32
             maximum: 9
             type: integer
-        - description: A boolean, for distribution metrics only, to estimate cardinality if the metric includes additional percentile aggregators.
+        - description: Deprecated. This query parameter has no effect on the estimate.
           example: true
           in: query
           name: filter[pct]
diff --git a/src/main/java/com/datadog/api/client/v2/api/MetricsApi.java b/src/main/java/com/datadog/api/client/v2/api/MetricsApi.java
index 2ff0bceffa1..d2daf188b0c 100644
--- a/src/main/java/com/datadog/api/client/v2/api/MetricsApi.java
+++ b/src/main/java/com/datadog/api/client/v2/api/MetricsApi.java
@@ -1671,6 +1671,7 @@ public CompletableFuture<ApiResponse<Void>> deleteTagIndexingRuleExemptionWithHt
   /** Manage optional parameters to estimateMetricsOutputSeries. */
   public static class EstimateMetricsOutputSeriesOptionalParameters {
     private String filterGroups;
+    private Boolean filterExcludeTagsMode;
     private Integer filterHoursAgo;
     private Integer filterNumAggregations;
     private Boolean filterPct;
@@ -1688,6 +1689,19 @@ public EstimateMetricsOutputSeriesOptionalParameters filterGroups(String filterG
       return this;
     }
 
+    /**
+     * Set filterExcludeTagsMode.
+     *
+     * @param filterExcludeTagsMode When <code>true</code>, <code>filter[groups]</code> is treated
+     *     as an exclude list instead of an include list. Defaults to <code>false</code>. (optional)
+     * @return EstimateMetricsOutputSeriesOptionalParameters
+     */
+    public EstimateMetricsOutputSeriesOptionalParameters filterExcludeTagsMode(
+        Boolean filterExcludeTagsMode) {
+      this.filterExcludeTagsMode = filterExcludeTagsMode;
+      return this;
+    }
+
     /**
      * Set filterHoursAgo.
      *
@@ -1716,8 +1730,7 @@ public EstimateMetricsOutputSeriesOptionalParameters filterNumAggregations(
     /**
      * Set filterPct.
      *
-     * @param filterPct A boolean, for distribution metrics only, to estimate cardinality if the
-     *     metric includes additional percentile aggregators. (optional)
+     * @param filterPct Deprecated. This query parameter has no effect on the estimate. (optional)
      * @return EstimateMetricsOutputSeriesOptionalParameters
      */
     public EstimateMetricsOutputSeriesOptionalParameters filterPct(Boolean filterPct) {
@@ -1836,6 +1849,7 @@ public ApiResponse<MetricEstimateResponse> estimateMetricsOutputSeriesWithHttpIn
           "Missing the required parameter 'metricName' when calling estimateMetricsOutputSeries");
     }
     String filterGroups = parameters.filterGroups;
+    Boolean filterExcludeTagsMode = parameters.filterExcludeTagsMode;
     Integer filterHoursAgo = parameters.filterHoursAgo;
     Integer filterNumAggregations = parameters.filterNumAggregations;
     Boolean filterPct = parameters.filterPct;
@@ -1850,6 +1864,8 @@ public ApiResponse<MetricEstimateResponse> estimateMetricsOutputSeriesWithHttpIn
     Map<String, String> localVarHeaderParams = new HashMap<String, String>();
 
     localVarQueryParams.addAll(apiClient.parameterToPairs("", "filter[groups]", filterGroups));
+    localVarQueryParams.addAll(
+        apiClient.parameterToPairs("", "filter[exclude_tags_mode]", filterExcludeTagsMode));
     localVarQueryParams.addAll(apiClient.parameterToPairs("", "filter[hours_ago]", filterHoursAgo));
     localVarQueryParams.addAll(
         apiClient.parameterToPairs("", "filter[num_aggregations]", filterNumAggregations));
@@ -1902,6 +1918,7 @@ public ApiResponse<MetricEstimateResponse> estimateMetricsOutputSeriesWithHttpIn
       return result;
     }
     String filterGroups = parameters.filterGroups;
+    Boolean filterExcludeTagsMode = parameters.filterExcludeTagsMode;
     Integer filterHoursAgo = parameters.filterHoursAgo;
     Integer filterNumAggregations = parameters.filterNumAggregations;
     Boolean filterPct = parameters.filterPct;
@@ -1916,6 +1933,8 @@ public ApiResponse<MetricEstimateResponse> estimateMetricsOutputSeriesWithHttpIn
     Map<String, String> localVarHeaderParams = new HashMap<String, String>();
 
     localVarQueryParams.addAll(apiClient.parameterToPairs("", "filter[groups]", filterGroups));
+    localVarQueryParams.addAll(
+        apiClient.parameterToPairs("", "filter[exclude_tags_mode]", filterExcludeTagsMode));
     localVarQueryParams.addAll(apiClient.parameterToPairs("", "filter[hours_ago]", filterHoursAgo));
     localVarQueryParams.addAll(
         apiClient.parameterToPairs("", "filter[num_aggregations]", filterNumAggregations));
diff --git a/src/main/java/com/datadog/api/client/v2/model/MetricEstimateAttributes.java b/src/main/java/com/datadog/api/client/v2/model/MetricEstimateAttributes.java
index 655e631e8d8..a935d2811d5 100644
--- a/src/main/java/com/datadog/api/client/v2/model/MetricEstimateAttributes.java
+++ b/src/main/java/com/datadog/api/client/v2/model/MetricEstimateAttributes.java
@@ -43,10 +43,9 @@ public MetricEstimateAttributes estimateType(MetricEstimateType estimateType) {
   }
 
   /**
-   * Estimate type based on the queried configuration. By default, <code>count_or_gauge</code> is
-   * returned. <code>distribution</code> is returned for distribution metrics without percentiles
-   * enabled. Lastly, <code>percentile</code> is returned if <code>filter[pct]=true</code> is
-   * queried with a distribution metric.
+   * Estimate type based on the queried configuration. <code>count_or_gauge</code> is returned by
+   * default, and <code>distribution</code> is returned for distribution metrics. The <code>
+   * filter[pct]</code> query parameter has no effect on this value.
    *
    * @return estimateType
    */
diff --git a/src/main/java/com/datadog/api/client/v2/model/MetricEstimateType.java b/src/main/java/com/datadog/api/client/v2/model/MetricEstimateType.java
index aa3d02af124..bd03848c90d 100644
--- a/src/main/java/com/datadog/api/client/v2/model/MetricEstimateType.java
+++ b/src/main/java/com/datadog/api/client/v2/model/MetricEstimateType.java
@@ -19,10 +19,9 @@
 import java.util.Set;
 
 /**
- * Estimate type based on the queried configuration. By default, <code>count_or_gauge</code> is
- * returned. <code>distribution</code> is returned for distribution metrics without percentiles
- * enabled. Lastly, <code>percentile</code> is returned if <code>filter[pct]=true</code> is queried
- * with a distribution metric.
+ * Estimate type based on the queried configuration. <code>count_or_gauge</code> is returned by
+ * default, and <code>distribution</code> is returned for distribution metrics. The <code>
+ * filter[pct]</code> query parameter has no effect on this value.
  */
 @JsonSerialize(using = MetricEstimateType.MetricEstimateTypeSerializer.class)
 public class MetricEstimateType extends ModelEnum<String> {