diff --git a/specs/abtesting/common/schemas/ABTest.yml b/specs/abtesting/common/schemas/ABTest.yml
index c567cafcdb4..abe832f81ac 100644
--- a/specs/abtesting/common/schemas/ABTest.yml
+++ b/specs/abtesting/common/schemas/ABTest.yml
@@ -119,6 +119,8 @@ ABTestConfiguration:
   type: object
   description: A/B test configuration.
   properties:
+    featureFilters:
+      $ref: '#/FeatureFilters'
     outliers:
       $ref: '#/Outliers'
     emptySearch:
@@ -169,3 +171,17 @@ EffectMetric:
     - clickThroughRate
     - conversionRate
     - purchaseRate
+
+FeatureFilters:
+  type: object
+  description: Configuration of feature-based filters applied to the A/B test population.
+  properties:
+    dynamicReRanking:
+      type: boolean
+      description: Whether to apply Dynamic Re-Ranking feature filters.
+    aiPerso:
+      type: boolean
+      description: Whether to apply AI Personalization feature filters.
+    multiSignalRanking:
+      type: boolean
+      description: Whether to apply Multi-Signal Re-Ranking feature filters.
\ No newline at end of file
diff --git a/specs/abtesting/paths/estimate.yml b/specs/abtesting/paths/estimate.yml
index fa29a90a080..b34c19107a1 100644
--- a/specs/abtesting/paths/estimate.yml
+++ b/specs/abtesting/paths/estimate.yml
@@ -20,6 +20,8 @@ post:
               type: object
               description: A/B test configuration for estimating the sample size and duration using minimum detectable effect.
               properties:
+                featureFilters:
+                  $ref: '../common/schemas/ABTest.yml#/FeatureFilters'
                 outliers:
                   $ref: '../common/schemas/ABTest.yml#/Outliers'
                 emptySearch: