diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index dcfce53610..e7ee77cc63 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -69679,6 +69679,21 @@
           }
         ]
       },
+      "indices.delete_alias:IndicesAliasesResponseBody": {
+        "allOf": [
+          {
+            "$ref": "#/components/schemas/_types:AcknowledgedResponseBase"
+          },
+          {
+            "type": "object",
+            "properties": {
+              "errors": {
+                "type": "boolean"
+              }
+            }
+          }
+        ]
+      },
       "_types:DataStreamNames": {
         "oneOf": [
           {
@@ -92847,7 +92862,7 @@
         "content": {
           "application/json": {
             "schema": {
-              "$ref": "#/components/schemas/_types:AcknowledgedResponseBase"
+              "$ref": "#/components/schemas/indices.delete_alias:IndicesAliasesResponseBody"
             }
           }
         }
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 26a2a464e1..1d806a1992 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -45148,6 +45148,21 @@
           }
         ]
       },
+      "indices.delete_alias:IndicesAliasesResponseBody": {
+        "allOf": [
+          {
+            "$ref": "#/components/schemas/_types:AcknowledgedResponseBase"
+          },
+          {
+            "type": "object",
+            "properties": {
+              "errors": {
+                "type": "boolean"
+              }
+            }
+          }
+        ]
+      },
       "_types:DataStreamNames": {
         "oneOf": [
           {
@@ -56032,7 +56047,7 @@
         "content": {
           "application/json": {
             "schema": {
-              "$ref": "#/components/schemas/_types:AcknowledgedResponseBase"
+              "$ref": "#/components/schemas/indices.delete_alias:IndicesAliasesResponseBody"
             }
           }
         }
diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index 13998366b4..10e7dc1810 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -20778,8 +20778,8 @@
         "value": {
           "kind": "instance_of",
           "type": {
-            "name": "AcknowledgedResponseBase",
-            "namespace": "_types"
+            "name": "IndicesAliasesResponseBody",
+            "namespace": "indices.delete_alias"
           }
         }
       },
@@ -119345,6 +119345,33 @@
       ],
       "specLocation": "_types/Base.ts#L87-L89"
     },
+    {
+      "inherits": {
+        "type": {
+          "name": "AcknowledgedResponseBase",
+          "namespace": "_types"
+        }
+      },
+      "kind": "interface",
+      "name": {
+        "name": "IndicesAliasesResponseBody",
+        "namespace": "indices.delete_alias"
+      },
+      "properties": [
+        {
+          "name": "errors",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        }
+      ],
+      "specLocation": "indices/delete_alias/IndicesDeleteAliasResponse.ts#L26-L28"
+    },
     {
       "kind": "interface",
       "name": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index e9db5474ac..b7b7930a17 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -131527,6 +131527,33 @@
       },
       "specLocation": "indices/delete/IndicesDeleteResponse.ts#L22-L24"
     },
+    {
+      "kind": "interface",
+      "inherits": {
+        "type": {
+          "name": "AcknowledgedResponseBase",
+          "namespace": "_types"
+        }
+      },
+      "name": {
+        "name": "IndicesAliasesResponseBody",
+        "namespace": "indices.delete_alias"
+      },
+      "properties": [
+        {
+          "name": "errors",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        }
+      ],
+      "specLocation": "indices/delete_alias/IndicesDeleteAliasResponse.ts#L26-L28"
+    },
     {
       "kind": "request",
       "attachedBehaviors": [
@@ -131609,8 +131636,8 @@
         "value": {
           "kind": "instance_of",
           "type": {
-            "name": "AcknowledgedResponseBase",
-            "namespace": "_types"
+            "name": "IndicesAliasesResponseBody",
+            "namespace": "indices.delete_alias"
           }
         }
       },
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 451cb07d34..ce3966cd51 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -11688,6 +11688,10 @@ export interface IndicesDeleteRequest extends RequestBase {
 
 export type IndicesDeleteResponse = IndicesResponseBase
 
+export interface IndicesDeleteAliasIndicesAliasesResponseBody extends AcknowledgedResponseBase {
+  errors?: boolean
+}
+
 export interface IndicesDeleteAliasRequest extends RequestBase {
   index: Indices
   name: Names
@@ -11695,7 +11699,7 @@ export interface IndicesDeleteAliasRequest extends RequestBase {
   timeout?: Duration
 }
 
-export type IndicesDeleteAliasResponse = AcknowledgedResponseBase
+export type IndicesDeleteAliasResponse = IndicesDeleteAliasIndicesAliasesResponseBody
 
 export interface IndicesDeleteDataLifecycleRequest extends RequestBase {
   name: DataStreamNames
diff --git a/specification/indices/delete_alias/IndicesDeleteAliasResponse.ts b/specification/indices/delete_alias/IndicesDeleteAliasResponse.ts
index 7374da4a4c..65eafa3fdb 100644
--- a/specification/indices/delete_alias/IndicesDeleteAliasResponse.ts
+++ b/specification/indices/delete_alias/IndicesDeleteAliasResponse.ts
@@ -20,5 +20,9 @@
 import { AcknowledgedResponseBase } from '@_types/Base'
 
 export class Response {
-  body: AcknowledgedResponseBase
+  body: IndicesAliasesResponseBody
+}
+
+export class IndicesAliasesResponseBody extends AcknowledgedResponseBase {
+  errors?: boolean
 }