diff --git a/algoliasearch/abtesting/models/ab_test_configuration.py b/algoliasearch/abtesting/models/ab_test_configuration.py
index e2e34eb73..c2bb8451c 100644
--- a/algoliasearch/abtesting/models/ab_test_configuration.py
+++ b/algoliasearch/abtesting/models/ab_test_configuration.py
@@ -40,7 +40,7 @@ class ABTestConfiguration(BaseModel):
     A/B test configuration.
     """
 
-    outliers: Outliers
+    outliers: Optional[Outliers] = None
     empty_search: Optional[EmptySearch] = None
     minimum_detectable_effect: Optional[MinimumDetectableEffect] = None
 
diff --git a/algoliasearch/abtesting/models/variant.py b/algoliasearch/abtesting/models/variant.py
index 0db869e40..9f0b64e5b 100644
--- a/algoliasearch/abtesting/models/variant.py
+++ b/algoliasearch/abtesting/models/variant.py
@@ -70,7 +70,7 @@ class Variant(BaseModel):
     """ [Conversion rate](https://www.algolia.com/doc/guides/search-analytics/concepts/metrics/#conversion-rate) for this variant.  """
     currencies: Optional[Dict[str, Currency]] = None
     """ A/B test currencies. """
-    description: str
+    description: Optional[str] = None
     """ Description for this variant. """
     estimated_sample_size: Optional[int] = None
     """ Estimated number of searches required to achieve the desired statistical significance.  The A/B test configuration must include a `mininmumDetectableEffect` setting for this number to be included in the response.  """
diff --git a/algoliasearch/recommend/models/recommendations_results.py b/algoliasearch/recommend/models/recommendations_results.py
index ac8b5357e..c838a6021 100644
--- a/algoliasearch/recommend/models/recommendations_results.py
+++ b/algoliasearch/recommend/models/recommendations_results.py
@@ -31,6 +31,7 @@
     "around_lat_lng": "aroundLatLng",
     "automatic_radius": "automaticRadius",
     "exhaustive": "exhaustive",
+    "applied_rules": "appliedRules",
     "exhaustive_facets_count": "exhaustiveFacetsCount",
     "exhaustive_nb_hits": "exhaustiveNbHits",
     "exhaustive_typo": "exhaustiveTypo",
@@ -77,6 +78,8 @@ class RecommendationsResults(BaseModel):
     automatic_radius: Optional[str] = None
     """ Distance from a central coordinate provided by `aroundLatLng`. """
     exhaustive: Optional[Exhaustive] = None
+    applied_rules: Optional[List[object]] = None
+    """ Rules applied to the query. """
     exhaustive_facets_count: Optional[bool] = None
     """ See the `facetsCount` field of the `exhaustive` object in the response. """
     exhaustive_nb_hits: Optional[bool] = None
diff --git a/algoliasearch/search/models/browse_response.py b/algoliasearch/search/models/browse_response.py
index 85535869d..410c61660 100644
--- a/algoliasearch/search/models/browse_response.py
+++ b/algoliasearch/search/models/browse_response.py
@@ -31,6 +31,7 @@
     "around_lat_lng": "aroundLatLng",
     "automatic_radius": "automaticRadius",
     "exhaustive": "exhaustive",
+    "applied_rules": "appliedRules",
     "exhaustive_facets_count": "exhaustiveFacetsCount",
     "exhaustive_nb_hits": "exhaustiveNbHits",
     "exhaustive_typo": "exhaustiveTypo",
@@ -80,6 +81,8 @@ class BrowseResponse(BaseModel):
     automatic_radius: Optional[str] = None
     """ Distance from a central coordinate provided by `aroundLatLng`. """
     exhaustive: Optional[Exhaustive] = None
+    applied_rules: Optional[List[object]] = None
+    """ Rules applied to the query. """
     exhaustive_facets_count: Optional[bool] = None
     """ See the `facetsCount` field of the `exhaustive` object in the response. """
     exhaustive_nb_hits: Optional[bool] = None
diff --git a/algoliasearch/search/models/get_api_key_response.py b/algoliasearch/search/models/get_api_key_response.py
index d3c38c4a2..07c0cd041 100644
--- a/algoliasearch/search/models/get_api_key_response.py
+++ b/algoliasearch/search/models/get_api_key_response.py
@@ -43,7 +43,7 @@ class GetApiKeyResponse(BaseModel):
     GetApiKeyResponse
     """
 
-    value: Optional[str] = None
+    value: str
     """ API key. """
     created_at: int
     """ Timestamp when the object was created, in milliseconds since the Unix epoch. """
diff --git a/algoliasearch/search/models/get_objects_response.py b/algoliasearch/search/models/get_objects_response.py
index b2819c51a..70da209b0 100644
--- a/algoliasearch/search/models/get_objects_response.py
+++ b/algoliasearch/search/models/get_objects_response.py
@@ -32,7 +32,7 @@ class GetObjectsResponse(BaseModel):
     GetObjectsResponse
     """
 
-    results: List[object]
+    results: Optional[List[object]] = None
     """ Retrieved records. """
 
     model_config = ConfigDict(
diff --git a/algoliasearch/search/models/search_response.py b/algoliasearch/search/models/search_response.py
index 8e7351ac8..62dc7e062 100644
--- a/algoliasearch/search/models/search_response.py
+++ b/algoliasearch/search/models/search_response.py
@@ -31,6 +31,7 @@
     "around_lat_lng": "aroundLatLng",
     "automatic_radius": "automaticRadius",
     "exhaustive": "exhaustive",
+    "applied_rules": "appliedRules",
     "exhaustive_facets_count": "exhaustiveFacetsCount",
     "exhaustive_nb_hits": "exhaustiveNbHits",
     "exhaustive_typo": "exhaustiveTypo",
@@ -79,6 +80,8 @@ class SearchResponse(BaseModel):
     automatic_radius: Optional[str] = None
     """ Distance from a central coordinate provided by `aroundLatLng`. """
     exhaustive: Optional[Exhaustive] = None
+    applied_rules: Optional[List[object]] = None
+    """ Rules applied to the query. """
     exhaustive_facets_count: Optional[bool] = None
     """ See the `facetsCount` field of the `exhaustive` object in the response. """
     exhaustive_nb_hits: Optional[bool] = None