diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 2458b8e96d..449f3e5b6e 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -19635,6 +19635,26 @@
               "type": "boolean"
             },
             "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "mode",
+            "description": "Filter indices by index mode - standard, lookup, time_series, etc. Comma-separated list of IndexMode. Empty means no filter.",
+            "deprecated": false,
+            "schema": {
+              "oneOf": [
+                {
+                  "$ref": "#/components/schemas/indices._types.IndexMode"
+                },
+                {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/indices._types.IndexMode"
+                  }
+                }
+              ]
+            },
+            "style": "form"
           }
         ],
         "responses": {
@@ -74497,7 +74517,6 @@
               "id",
               "nodeId",
               "pid",
-              "p",
               "host",
               "h",
               "ip",
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 501ae3f2ff..bd40ab5370 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -10768,6 +10768,26 @@
               "type": "boolean"
             },
             "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "mode",
+            "description": "Filter indices by index mode - standard, lookup, time_series, etc. Comma-separated list of IndexMode. Empty means no filter.",
+            "deprecated": false,
+            "schema": {
+              "oneOf": [
+                {
+                  "$ref": "#/components/schemas/indices._types.IndexMode"
+                },
+                {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/indices._types.IndexMode"
+                  }
+                }
+              ]
+            },
+            "style": "form"
           }
         ],
         "responses": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index d7186d1d63..469953bc06 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -103081,10 +103081,7 @@
           "name": "id"
         },
         {
-          "aliases": [
-            "p"
-          ],
-          "description": "The process ID.",
+          "description": "The process ID.\n* @aliases p",
           "name": "pid"
         },
         {
@@ -165125,9 +165122,36 @@
               "namespace": "_builtins"
             }
           }
+        },
+        {
+          "description": "Filter indices by index mode - standard, lookup, time_series, etc. Comma-separated list of IndexMode. Empty means no filter.",
+          "name": "mode",
+          "required": false,
+          "type": {
+            "kind": "union_of",
+            "items": [
+              {
+                "kind": "instance_of",
+                "type": {
+                  "name": "IndexMode",
+                  "namespace": "indices._types"
+                }
+              },
+              {
+                "kind": "array_of",
+                "value": {
+                  "kind": "instance_of",
+                  "type": {
+                    "name": "IndexMode",
+                    "namespace": "indices._types"
+                  }
+                }
+              }
+            ]
+          }
         }
       ],
-      "specLocation": "indices/resolve_index/ResolveIndexRequest.ts#L23-L68"
+      "specLocation": "indices/resolve_index/ResolveIndexRequest.ts#L24-L73"
     },
     {
       "kind": "interface",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 75c2ed228e..d5635233db 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -7227,7 +7227,7 @@ export type CatCatNodeColumn = 'build' | 'b' | 'completion.size' | 'cs' | 'compl
 
 export type CatCatNodeColumns = CatCatNodeColumn | CatCatNodeColumn[]
 
-export type CatCatNodeattrsColumn = 'node' | 'id' | 'id' | 'nodeId' | 'pid' | 'p' | 'host' | 'h' | 'ip' | 'i' | 'port' | 'po' | 'attr' | 'attr.name' | 'value' | 'attr.value'| string
+export type CatCatNodeattrsColumn = 'node' | 'id' | 'id' | 'nodeId' | 'pid' | 'host' | 'h' | 'ip' | 'i' | 'port' | 'po' | 'attr' | 'attr.name' | 'value' | 'attr.value'| string
 
 export type CatCatNodeattrsColumns = CatCatNodeattrsColumn | CatCatNodeattrsColumn[]
 
@@ -13319,6 +13319,7 @@ export interface IndicesResolveIndexRequest extends RequestBase {
   expand_wildcards?: ExpandWildcards
   ignore_unavailable?: boolean
   allow_no_indices?: boolean
+  mode?: IndicesIndexMode | IndicesIndexMode[]
 }
 
 export interface IndicesResolveIndexResolveIndexAliasItem {
diff --git a/specification/_json_spec/indices.resolve_index.json b/specification/_json_spec/indices.resolve_index.json
index a991093d0b..d3e23cc24b 100644
--- a/specification/_json_spec/indices.resolve_index.json
+++ b/specification/_json_spec/indices.resolve_index.json
@@ -39,6 +39,12 @@
         "type": "boolean",
         "description": "Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have been specified)",
         "default": true
+      },
+      "mode": {
+        "type": "enum",
+        "options": ["standard", "time_series", "logsdb", "lookup"],
+        "default": "",
+        "description": "Filter indices by index mode. Comma-separated list of IndexMode. Empty means no filter."
       }
     }
   }
diff --git a/specification/indices/resolve_index/ResolveIndexRequest.ts b/specification/indices/resolve_index/ResolveIndexRequest.ts
index cda77632f7..f8d7f79755 100644
--- a/specification/indices/resolve_index/ResolveIndexRequest.ts
+++ b/specification/indices/resolve_index/ResolveIndexRequest.ts
@@ -19,6 +19,7 @@
 
 import { RequestBase } from '@_types/Base'
 import { ExpandWildcards, Names } from '@_types/common'
+import { IndexMode } from '@indices/_types/DataStream'
 
 /**
  * Resolve indices.
@@ -64,5 +65,9 @@ export interface Request extends RequestBase {
      * @server_default true
      */
     allow_no_indices?: boolean
+    /**
+     * Filter indices by index mode - standard, lookup, time_series, etc. Comma-separated list of IndexMode. Empty means no filter.
+     */
+    mode?: IndexMode | IndexMode[]
   }
 }