diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 9a323d8456..48b4c59980 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -120145,10 +120145,29 @@
                 "$ref": "#/components/schemas/_types.Name"
               }
             ]
+          },
+          "managed_by": {
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/security.authenticate.AuthenticateApiKeyManagedBy"
+              }
+            ]
+          },
+          "internal": {
+            "type": "boolean"
           }
         },
         "required": [
-          "id"
+          "id",
+          "managed_by",
+          "internal"
+        ]
+      },
+      "security.authenticate.AuthenticateApiKeyManagedBy": {
+        "type": "string",
+        "enum": [
+          "cloud",
+          "elasticsearch"
         ]
       },
       "security._types.RealmInfo": {
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 44450d2e00..b7b794b62a 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -78294,10 +78294,29 @@
                 "$ref": "#/components/schemas/_types.Name"
               }
             ]
+          },
+          "managed_by": {
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/security.authenticate.AuthenticateApiKeyManagedBy"
+              }
+            ]
+          },
+          "internal": {
+            "type": "boolean"
           }
         },
         "required": [
-          "id"
+          "id",
+          "managed_by",
+          "internal"
+        ]
+      },
+      "security.authenticate.AuthenticateApiKeyManagedBy": {
+        "type": "string",
+        "enum": [
+          "cloud",
+          "elasticsearch"
         ]
       },
       "security._types.RealmInfo": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 86a3a245b1..647bc00e10 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -236677,9 +236677,47 @@
               "namespace": "_types"
             }
           }
+        },
+        {
+          "name": "managed_by",
+          "required": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "AuthenticateApiKeyManagedBy",
+              "namespace": "security.authenticate"
+            }
+          }
+        },
+        {
+          "name": "internal",
+          "required": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        }
+      ],
+      "specLocation": "security/authenticate/SecurityAuthenticateResponse.ts#L44-L49"
+    },
+    {
+      "kind": "enum",
+      "members": [
+        {
+          "name": "cloud"
+        },
+        {
+          "name": "elasticsearch"
         }
       ],
-      "specLocation": "security/authenticate/SecurityAuthenticateResponse.ts#L44-L47"
+      "name": {
+        "name": "AuthenticateApiKeyManagedBy",
+        "namespace": "security.authenticate"
+      },
+      "specLocation": "security/authenticate/SecurityAuthenticateResponse.ts#L51-L54"
     },
     {
       "kind": "request",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 1bea18a6f8..805d1b774d 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -20123,8 +20123,12 @@ export type SecurityActivateUserProfileResponse = SecurityUserProfileWithMetadat
 export interface SecurityAuthenticateAuthenticateApiKey {
   id: Id
   name?: Name
+  managed_by: SecurityAuthenticateAuthenticateApiKeyManagedBy
+  internal: boolean
 }
 
+export type SecurityAuthenticateAuthenticateApiKeyManagedBy = 'cloud' | 'elasticsearch'
+
 export interface SecurityAuthenticateRequest extends RequestBase {
 }
 
diff --git a/specification/security/authenticate/SecurityAuthenticateResponse.ts b/specification/security/authenticate/SecurityAuthenticateResponse.ts
index fc5dbcb306..fd36f3a496 100644
--- a/specification/security/authenticate/SecurityAuthenticateResponse.ts
+++ b/specification/security/authenticate/SecurityAuthenticateResponse.ts
@@ -44,4 +44,11 @@ export class Response {
 export class AuthenticateApiKey {
   id: Id
   name?: Name
+  managed_by: AuthenticateApiKeyManagedBy
+  internal: boolean
+}
+
+export enum AuthenticateApiKeyManagedBy {
+  cloud,
+  elasticsearch
 }