diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 81c796e0bd..ea702e6e12 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -14354,6 +14354,26 @@
               "$ref": "#/components/schemas/_types:ExpandWildcards"
             },
             "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "ignore_unavailable",
+            "description": "If `false`, the request returns an error if it targets a missing or closed index.",
+            "deprecated": false,
+            "schema": {
+              "type": "boolean"
+            },
+            "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "allow_no_indices",
+            "description": "If `false`, the request returns an error if any wildcard expression, index alias, or `_all` value targets only missing or closed indices.\nThis behavior applies even if the request targets other open indices.\nFor example, a request targeting `foo*,bar*` returns an error if an index starts with `foo` but no index starts with `bar`.",
+            "deprecated": false,
+            "schema": {
+              "type": "boolean"
+            },
+            "style": "form"
           }
         ],
         "responses": {
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 7fb560f08c..682a5d3080 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -8657,6 +8657,26 @@
               "$ref": "#/components/schemas/_types:ExpandWildcards"
             },
             "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "ignore_unavailable",
+            "description": "If `false`, the request returns an error if it targets a missing or closed index.",
+            "deprecated": false,
+            "schema": {
+              "type": "boolean"
+            },
+            "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "allow_no_indices",
+            "description": "If `false`, the request returns an error if any wildcard expression, index alias, or `_all` value targets only missing or closed indices.\nThis behavior applies even if the request targets other open indices.\nFor example, a request targeting `foo*,bar*` returns an error if an index starts with `foo` but no index starts with `bar`.",
+            "deprecated": false,
+            "schema": {
+              "type": "boolean"
+            },
+            "style": "form"
           }
         ],
         "responses": {
diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index 3719182113..e1bb4d9c6f 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -23610,9 +23610,35 @@
               "namespace": "_types"
             }
           }
+        },
+        {
+          "description": "If `false`, the request returns an error if it targets a missing or closed index.",
+          "name": "ignore_unavailable",
+          "required": false,
+          "serverDefault": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        },
+        {
+          "description": "If `false`, the request returns an error if any wildcard expression, index alias, or `_all` value targets only missing or closed indices.\nThis behavior applies even if the request targets other open indices.\nFor example, a request targeting `foo*,bar*` returns an error if an index starts with `foo` but no index starts with `bar`.",
+          "name": "allow_no_indices",
+          "required": false,
+          "serverDefault": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
         }
       ],
-      "specLocation": "indices/resolve_index/ResolveIndexRequest.ts#L23-L48"
+      "specLocation": "indices/resolve_index/ResolveIndexRequest.ts#L23-L60"
     },
     {
       "body": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index b7d48b2c94..c162abe023 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -133425,9 +133425,35 @@
               "namespace": "_types"
             }
           }
+        },
+        {
+          "description": "If `false`, the request returns an error if it targets a missing or closed index.",
+          "name": "ignore_unavailable",
+          "required": false,
+          "serverDefault": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        },
+        {
+          "description": "If `false`, the request returns an error if any wildcard expression, index alias, or `_all` value targets only missing or closed indices.\nThis behavior applies even if the request targets other open indices.\nFor example, a request targeting `foo*,bar*` returns an error if an index starts with `foo` but no index starts with `bar`.",
+          "name": "allow_no_indices",
+          "required": false,
+          "serverDefault": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
         }
       ],
-      "specLocation": "indices/resolve_index/ResolveIndexRequest.ts#L23-L48"
+      "specLocation": "indices/resolve_index/ResolveIndexRequest.ts#L23-L60"
     },
     {
       "kind": "interface",
diff --git a/output/schema/validation-errors.json b/output/schema/validation-errors.json
index 081c20aa7b..14c62ed9e7 100644
--- a/output/schema/validation-errors.json
+++ b/output/schema/validation-errors.json
@@ -848,6 +848,13 @@
       ],
       "response": []
     },
+    "indices.resolve_index": {
+      "request": [
+        "Request: query parameter 'ignore_unavailable' does not exist in the json spec",
+        "Request: query parameter 'allow_no_indices' does not exist in the json spec"
+      ],
+      "response": []
+    },
     "indices.rollover": {
       "request": [
         "Request: missing json spec query parameter 'lazy'",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 7d6d28b4f5..941e0b1afc 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -12038,6 +12038,8 @@ export type IndicesResolveClusterResponse = Record<ClusterAlias, IndicesResolveC
 export interface IndicesResolveIndexRequest extends RequestBase {
   name: Names
   expand_wildcards?: ExpandWildcards
+  ignore_unavailable?: boolean
+  allow_no_indices?: boolean
 }
 
 export interface IndicesResolveIndexResolveIndexAliasItem {
diff --git a/specification/indices/resolve_index/ResolveIndexRequest.ts b/specification/indices/resolve_index/ResolveIndexRequest.ts
index 1909052904..2ea7bc8570 100644
--- a/specification/indices/resolve_index/ResolveIndexRequest.ts
+++ b/specification/indices/resolve_index/ResolveIndexRequest.ts
@@ -44,5 +44,17 @@ export interface Request extends RequestBase {
      * @server_default open
      */
     expand_wildcards?: ExpandWildcards
+    /**
+     * If `false`, the request returns an error if it targets a missing or closed index.
+     * @server_default false
+     */
+    ignore_unavailable?: boolean
+    /**
+     * If `false`, the request returns an error if any wildcard expression, index alias, or `_all` value targets only missing or closed indices.
+     * This behavior applies even if the request targets other open indices.
+     * For example, a request targeting `foo*,bar*` returns an error if an index starts with `foo` but no index starts with `bar`.
+     * @server_default true
+     */
+    allow_no_indices?: boolean
   }
 }