diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index c5a8fa8393..688fdea7ea 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -7934,6 +7934,9 @@
           },
           {
             "$ref": "#/components/parameters/index-require_alias"
+          },
+          {
+            "$ref": "#/components/parameters/index-require_data_stream"
           }
         ],
         "requestBody": {
@@ -7998,6 +8001,9 @@
           },
           {
             "$ref": "#/components/parameters/index-require_alias"
+          },
+          {
+            "$ref": "#/components/parameters/index-require_data_stream"
           }
         ],
         "requestBody": {
@@ -12243,6 +12249,9 @@
           },
           {
             "$ref": "#/components/parameters/index-require_alias"
+          },
+          {
+            "$ref": "#/components/parameters/index-require_data_stream"
           }
         ],
         "requestBody": {
@@ -111505,6 +111514,16 @@
         },
         "style": "form"
       },
+      "index-require_data_stream": {
+        "in": "query",
+        "name": "require_data_stream",
+        "description": "If `true`, the request's actions must target a data stream (existing or to be created).",
+        "deprecated": false,
+        "schema": {
+          "type": "boolean"
+        },
+        "style": "form"
+      },
       "indices.analyze-index": {
         "in": "path",
         "name": "index",
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 2ba3157688..6ecb7e0b42 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -4032,6 +4032,9 @@
           },
           {
             "$ref": "#/components/parameters/index-require_alias"
+          },
+          {
+            "$ref": "#/components/parameters/index-require_data_stream"
           }
         ],
         "requestBody": {
@@ -4096,6 +4099,9 @@
           },
           {
             "$ref": "#/components/parameters/index-require_alias"
+          },
+          {
+            "$ref": "#/components/parameters/index-require_data_stream"
           }
         ],
         "requestBody": {
@@ -6387,6 +6393,9 @@
           },
           {
             "$ref": "#/components/parameters/index-require_alias"
+          },
+          {
+            "$ref": "#/components/parameters/index-require_data_stream"
           }
         ],
         "requestBody": {
@@ -67178,6 +67187,16 @@
         },
         "style": "form"
       },
+      "index-require_data_stream": {
+        "in": "query",
+        "name": "require_data_stream",
+        "description": "If `true`, the request's actions must target a data stream (existing or to be created).",
+        "deprecated": false,
+        "schema": {
+          "type": "boolean"
+        },
+        "style": "form"
+      },
       "indices.analyze-index": {
         "in": "path",
         "name": "index",
diff --git a/output/schema/schema.json b/output/schema/schema.json
index d48ca84a21..64bdb4ce85 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -31223,9 +31223,22 @@
               "namespace": "_builtins"
             }
           }
+        },
+        {
+          "description": "If `true`, the request's actions must target a data stream (existing or to be created).",
+          "name": "require_data_stream",
+          "required": false,
+          "serverDefault": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
         }
       ],
-      "specLocation": "_global/index/IndexRequest.ts#L35-L268"
+      "specLocation": "_global/index/IndexRequest.ts#L35-L273"
     },
     {
       "kind": "response",
diff --git a/output/schema/validation-errors.json b/output/schema/validation-errors.json
index 78791f4f76..5a89720a9f 100644
--- a/output/schema/validation-errors.json
+++ b/output/schema/validation-errors.json
@@ -247,12 +247,6 @@
       ],
       "response": []
     },
-    "index": {
-      "request": [
-        "Request: missing json spec query parameter 'require_data_stream'"
-      ],
-      "response": []
-    },
     "ingest.delete_geoip_database": {
       "request": [
         "Request: query parameter 'master_timeout' does not exist in the json spec",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 8ab5738c5e..fe7cd4032f 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -663,6 +663,7 @@ export interface IndexRequest<TDocument = unknown> extends RequestBase {
   version_type?: VersionType
   wait_for_active_shards?: WaitForActiveShards
   require_alias?: boolean
+  require_data_stream?: boolean
   body?: TDocument
 }
 
diff --git a/specification/_global/index/IndexRequest.ts b/specification/_global/index/IndexRequest.ts
index 644a52e81e..6a4dae61ec 100644
--- a/specification/_global/index/IndexRequest.ts
+++ b/specification/_global/index/IndexRequest.ts
@@ -259,6 +259,11 @@ export interface Request<TDocument> extends RequestBase {
      * @server_default false
      */
     require_alias?: boolean
+    /**
+     * If `true`, the request's actions must target a data stream (existing or to be created).
+     * @server_default false
+     */
+    require_data_stream?: boolean
   }
   /** @codegen_name document */
   /**