diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 501f8fd411..20d2ad8206 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -93022,6 +93022,7 @@
       "async_search.submit#rest_total_hits_as_int": {
         "in": "query",
         "name": "rest_total_hits_as_int",
+        "description": "Indicates whether hits.total should be rendered as an integer or an object in the rest search response",
         "deprecated": false,
         "schema": {
           "type": "boolean"
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index ff81c20b5e..18577e20da 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -57171,6 +57171,7 @@
       "async_search.submit#rest_total_hits_as_int": {
         "in": "query",
         "name": "rest_total_hits_as_int",
+        "description": "Indicates whether hits.total should be rendered as an integer or an object in the rest search response",
         "deprecated": false,
         "schema": {
           "type": "boolean"
diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index 1e6e8af5bd..d59a6830d5 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -11088,6 +11088,7 @@
           }
         },
         {
+          "description": "Indicates whether hits.total should be rendered as an integer or an object in the rest search response",
           "name": "rest_total_hits_as_int",
           "required": false,
           "type": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index bda36d8ceb..f714f70753 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -88632,6 +88632,7 @@
           }
         },
         {
+          "description": "Indicates whether hits.total should be rendered as an integer or an object in the rest search response",
           "name": "rest_total_hits_as_int",
           "required": false,
           "type": {
diff --git a/output/schema/validation-errors.json b/output/schema/validation-errors.json
index b2b561784c..9b58eafc89 100644
--- a/output/schema/validation-errors.json
+++ b/output/schema/validation-errors.json
@@ -57,10 +57,7 @@
     },
     "async_search.submit": {
       "request": [
-        "Request: query parameter 'ccs_minimize_roundtrips' does not exist in the json spec",
-        "Request: query parameter 'pre_filter_shard_size' does not exist in the json spec",
         "Request: query parameter 'scroll' does not exist in the json spec",
-        "Request: query parameter 'rest_total_hits_as_int' does not exist in the json spec",
         "interface definition _types:QueryVectorBuilder - Property text_embedding is a single-variant and must be required",
         "type_alias definition _spec_utils:PipeSeparatedFlags / union_of / instance_of - No type definition for '_spec_utils.PipeSeparatedFlags:T'"
       ],
diff --git a/specification/_json_spec/async_search.submit.json b/specification/_json_spec/async_search.submit.json
index 05222cd16c..628a79a4e9 100644
--- a/specification/_json_spec/async_search.submit.json
+++ b/specification/_json_spec/async_search.submit.json
@@ -61,6 +61,11 @@
         "type": "boolean",
         "description": "Specify whether wildcard and prefix queries should be analyzed (default: false)"
       },
+      "ccs_minimize_roundtrips": {
+        "type": "boolean",
+        "default": false,
+        "description": "When doing a cross-cluster search, setting it to true may improve overall search latency, particularly when searching clusters with a large number of shards. However, when set to true, the progress of searches on the remote clusters will not be received until the search finishes on all clusters."
+      },
       "default_operator": {
         "type": "enum",
         "options": ["AND", "OR"],
@@ -113,6 +118,16 @@
         "type": "string",
         "description": "Specify the node or shard the operation should be performed on (default: random)"
       },
+      "pre_filter_shard_size": {
+        "type": "number",
+        "default": 1,
+        "description": "Cannot be changed: this is to enforce the execution of a pre-filter roundtrip to retrieve statistics from each shard so that the ones that surely don’t hold any document matching the query get skipped."
+      },
+      "rest_total_hits_as_int": {
+        "type": "boolean",
+        "description": "Indicates whether hits.total should be rendered as an integer or an object in the rest search response",
+        "default": false
+      },
       "q": {
         "type": "string",
         "description": "Query in the Lucene query string syntax"