diff --git a/output/openapi/elasticsearch-openapi.json b/output/openapi/elasticsearch-openapi.json
index 8d824047ec..8368f904e7 100644
--- a/output/openapi/elasticsearch-openapi.json
+++ b/output/openapi/elasticsearch-openapi.json
@@ -11357,6 +11357,9 @@
           },
           {
             "$ref": "#/components/parameters/indices.get_data_stream#include_defaults"
+          },
+          {
+            "$ref": "#/components/parameters/indices.get_data_stream#master_timeout"
           }
         ],
         "responses": {
@@ -11387,6 +11390,26 @@
               "$ref": "#/components/schemas/_types:DataStreamName"
             },
             "style": "simple"
+          },
+          {
+            "in": "query",
+            "name": "master_timeout",
+            "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "timeout",
+            "description": "Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
           }
         ],
         "responses": {
@@ -11425,6 +11448,16 @@
             },
             "style": "simple"
           },
+          {
+            "in": "query",
+            "name": "master_timeout",
+            "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
+          },
           {
             "in": "query",
             "name": "expand_wildcards",
@@ -11812,6 +11845,16 @@
               "type": "boolean"
             },
             "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "master_timeout",
+            "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
           }
         ],
         "responses": {
@@ -13117,6 +13160,9 @@
           },
           {
             "$ref": "#/components/parameters/indices.get_data_stream#include_defaults"
+          },
+          {
+            "$ref": "#/components/parameters/indices.get_data_stream#master_timeout"
           }
         ],
         "responses": {
@@ -13710,6 +13756,26 @@
               "$ref": "#/components/schemas/_types:IndexName"
             },
             "style": "simple"
+          },
+          {
+            "in": "query",
+            "name": "master_timeout",
+            "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "timeout",
+            "description": "Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
           }
         ],
         "responses": {
@@ -13906,6 +13972,16 @@
               "$ref": "#/components/schemas/_types:IndexName"
             },
             "style": "simple"
+          },
+          {
+            "in": "query",
+            "name": "master_timeout",
+            "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
           }
         ],
         "responses": {
@@ -44479,6 +44555,16 @@
         },
         "style": "form"
       },
+      "indices.get_data_stream#master_timeout": {
+        "in": "query",
+        "name": "master_timeout",
+        "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+        "deprecated": false,
+        "schema": {
+          "$ref": "#/components/schemas/_types:Duration"
+        },
+        "style": "form"
+      },
       "indices.get_field_mapping#fields": {
         "in": "path",
         "name": "fields",
diff --git a/output/openapi/elasticsearch-serverless-openapi.json b/output/openapi/elasticsearch-serverless-openapi.json
index 427e9be421..83b8b7bf17 100644
--- a/output/openapi/elasticsearch-serverless-openapi.json
+++ b/output/openapi/elasticsearch-serverless-openapi.json
@@ -6753,6 +6753,9 @@
           },
           {
             "$ref": "#/components/parameters/indices.get_data_stream#include_defaults"
+          },
+          {
+            "$ref": "#/components/parameters/indices.get_data_stream#master_timeout"
           }
         ],
         "responses": {
@@ -6783,6 +6786,26 @@
               "$ref": "#/components/schemas/_types:DataStreamName"
             },
             "style": "simple"
+          },
+          {
+            "in": "query",
+            "name": "master_timeout",
+            "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "timeout",
+            "description": "Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
           }
         ],
         "responses": {
@@ -6821,6 +6844,16 @@
             },
             "style": "simple"
           },
+          {
+            "in": "query",
+            "name": "master_timeout",
+            "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
+          },
           {
             "in": "query",
             "name": "expand_wildcards",
@@ -7208,6 +7241,16 @@
               "type": "boolean"
             },
             "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "master_timeout",
+            "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
           }
         ],
         "responses": {
@@ -7811,6 +7854,9 @@
           },
           {
             "$ref": "#/components/parameters/indices.get_data_stream#include_defaults"
+          },
+          {
+            "$ref": "#/components/parameters/indices.get_data_stream#master_timeout"
           }
         ],
         "responses": {
@@ -8296,6 +8342,26 @@
               "$ref": "#/components/schemas/_types:IndexName"
             },
             "style": "simple"
+          },
+          {
+            "in": "query",
+            "name": "master_timeout",
+            "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
+          },
+          {
+            "in": "query",
+            "name": "timeout",
+            "description": "Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.",
+            "deprecated": false,
+            "schema": {
+              "$ref": "#/components/schemas/_types:Duration"
+            },
+            "style": "form"
           }
         ],
         "responses": {
@@ -24695,6 +24761,16 @@
         },
         "style": "form"
       },
+      "indices.get_data_stream#master_timeout": {
+        "in": "query",
+        "name": "master_timeout",
+        "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+        "deprecated": false,
+        "schema": {
+          "$ref": "#/components/schemas/_types:Duration"
+        },
+        "style": "form"
+      },
       "indices.get_index_template#name": {
         "in": "path",
         "name": "name",
diff --git a/output/schema/schema-serverless.json b/output/schema/schema-serverless.json
index 93000ecfb0..adfd44830a 100644
--- a/output/schema/schema-serverless.json
+++ b/output/schema/schema-serverless.json
@@ -20119,8 +20119,35 @@
           }
         }
       ],
-      "query": [],
-      "specLocation": "indices/create_data_stream/IndicesCreateDataStreamRequest.ts#L23-L44"
+      "query": [
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        }
+      ],
+      "specLocation": "indices/create_data_stream/IndicesCreateDataStreamRequest.ts#L24-L57"
     },
     {
       "body": {
@@ -20616,6 +20643,19 @@
         }
       ],
       "query": [
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        },
         {
           "description": "Type of data stream that wildcard patterns can match. Supports comma-separated values,such as `open,hidden`.",
           "name": "expand_wildcards",
@@ -20630,7 +20670,7 @@
           }
         }
       ],
-      "specLocation": "indices/delete_data_stream/IndicesDeleteDataStreamRequest.ts#L23-L45"
+      "specLocation": "indices/delete_data_stream/IndicesDeleteDataStreamRequest.ts#L24-L51"
     },
     {
       "body": {
@@ -21520,9 +21560,22 @@
               "namespace": "_builtins"
             }
           }
+        },
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "indices/get_data_lifecycle/IndicesGetDataLifecycleRequest.ts#L23-L53"
+      "specLocation": "indices/get_data_lifecycle/IndicesGetDataLifecycleRequest.ts#L24-L59"
     },
     {
       "body": {
@@ -21619,9 +21672,22 @@
               "namespace": "_builtins"
             }
           }
+        },
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "indices/get_data_stream/IndicesGetDataStreamRequest.ts#L23-L54"
+      "specLocation": "indices/get_data_stream/IndicesGetDataStreamRequest.ts#L24-L60"
     },
     {
       "body": {
@@ -22108,8 +22174,35 @@
           }
         }
       ],
-      "query": [],
-      "specLocation": "indices/migrate_to_data_stream/IndicesMigrateToDataStreamRequest.ts#L23-L45"
+      "query": [
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        }
+      ],
+      "specLocation": "indices/migrate_to_data_stream/IndicesMigrateToDataStreamRequest.ts#L24-L58"
     },
     {
       "body": {
diff --git a/output/schema/schema.json b/output/schema/schema.json
index d0bd4ccae3..16885ab164 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -123676,8 +123676,35 @@
           }
         }
       ],
-      "query": [],
-      "specLocation": "indices/create_data_stream/IndicesCreateDataStreamRequest.ts#L23-L44"
+      "query": [
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        }
+      ],
+      "specLocation": "indices/create_data_stream/IndicesCreateDataStreamRequest.ts#L24-L57"
     },
     {
       "body": {
@@ -124252,6 +124279,19 @@
         }
       ],
       "query": [
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        },
         {
           "description": "Type of data stream that wildcard patterns can match. Supports comma-separated values,such as `open,hidden`.",
           "name": "expand_wildcards",
@@ -124266,7 +124306,7 @@
           }
         }
       ],
-      "specLocation": "indices/delete_data_stream/IndicesDeleteDataStreamRequest.ts#L23-L45"
+      "specLocation": "indices/delete_data_stream/IndicesDeleteDataStreamRequest.ts#L24-L51"
     },
     {
       "body": {
@@ -126544,9 +126584,22 @@
               "namespace": "_builtins"
             }
           }
+        },
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "indices/get_data_lifecycle/IndicesGetDataLifecycleRequest.ts#L23-L53"
+      "specLocation": "indices/get_data_lifecycle/IndicesGetDataLifecycleRequest.ts#L24-L59"
     },
     {
       "body": {
@@ -126643,9 +126696,22 @@
               "namespace": "_builtins"
             }
           }
+        },
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
         }
       ],
-      "specLocation": "indices/get_data_stream/IndicesGetDataStreamRequest.ts#L23-L54"
+      "specLocation": "indices/get_data_stream/IndicesGetDataStreamRequest.ts#L24-L60"
     },
     {
       "body": {
@@ -127476,8 +127542,35 @@
           }
         }
       ],
-      "query": [],
-      "specLocation": "indices/migrate_to_data_stream/IndicesMigrateToDataStreamRequest.ts#L23-L45"
+      "query": [
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        }
+      ],
+      "specLocation": "indices/migrate_to_data_stream/IndicesMigrateToDataStreamRequest.ts#L24-L58"
     },
     {
       "body": {
@@ -127811,8 +127904,22 @@
           }
         }
       ],
-      "query": [],
-      "specLocation": "indices/promote_data_stream/IndicesPromoteDataStreamRequest.ts#L23-L31"
+      "query": [
+        {
+          "description": "Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.",
+          "name": "master_timeout",
+          "required": false,
+          "serverDefault": "30s",
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Duration",
+              "namespace": "_types"
+            }
+          }
+        }
+      ],
+      "specLocation": "indices/promote_data_stream/IndicesPromoteDataStreamRequest.ts#L24-L39"
     },
     {
       "body": {
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 7d61dfa3c7..47f10776c6 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -11046,6 +11046,8 @@ export interface IndicesCreateResponse {
 
 export interface IndicesCreateDataStreamRequest extends RequestBase {
   name: DataStreamName
+  master_timeout?: Duration
+  timeout?: Duration
 }
 
 export type IndicesCreateDataStreamResponse = AcknowledgedResponseBase
@@ -11103,6 +11105,7 @@ export type IndicesDeleteDataLifecycleResponse = AcknowledgedResponseBase
 
 export interface IndicesDeleteDataStreamRequest extends RequestBase {
   name: DataStreamNames
+  master_timeout?: Duration
   expand_wildcards?: ExpandWildcards
 }
 
@@ -11330,6 +11333,7 @@ export interface IndicesGetDataLifecycleRequest extends RequestBase {
   name: DataStreamNames
   expand_wildcards?: ExpandWildcards
   include_defaults?: boolean
+  master_timeout?: Duration
 }
 
 export interface IndicesGetDataLifecycleResponse {
@@ -11340,6 +11344,7 @@ export interface IndicesGetDataStreamRequest extends RequestBase {
   name?: DataStreamNames
   expand_wildcards?: ExpandWildcards
   include_defaults?: boolean
+  master_timeout?: Duration
 }
 
 export interface IndicesGetDataStreamResponse {
@@ -11420,6 +11425,8 @@ export type IndicesGetTemplateResponse = Record<string, IndicesTemplateMapping>
 
 export interface IndicesMigrateToDataStreamRequest extends RequestBase {
   name: IndexName
+  master_timeout?: Duration
+  timeout?: Duration
 }
 
 export type IndicesMigrateToDataStreamResponse = AcknowledgedResponseBase
@@ -11459,6 +11466,7 @@ export interface IndicesOpenResponse {
 
 export interface IndicesPromoteDataStreamRequest extends RequestBase {
   name: IndexName
+  master_timeout?: Duration
 }
 
 export type IndicesPromoteDataStreamResponse = any
diff --git a/specification/_json_spec/capabilities.json b/specification/_json_spec/capabilities.json
index 0c6b81518d..0b22df0a75 100644
--- a/specification/_json_spec/capabilities.json
+++ b/specification/_json_spec/capabilities.json
@@ -35,6 +35,11 @@
       "capabilities": {
         "type": "string",
         "description": "Comma-separated list of arbitrary API capabilities to check"
+      },
+      "local_only": {
+        "type": "boolean",
+        "description": "True if only the node being called should be considered",
+        "visibility": "private"
       }
     }
   }
diff --git a/specification/_json_spec/indices.create_data_stream.json b/specification/_json_spec/indices.create_data_stream.json
index 4846d51165..e3d6b706e8 100644
--- a/specification/_json_spec/indices.create_data_stream.json
+++ b/specification/_json_spec/indices.create_data_stream.json
@@ -23,6 +23,15 @@
         }
       ]
     },
-    "params": {}
+    "params": {
+      "timeout": {
+        "type": "time",
+        "description": "Specify timeout for acknowledging the cluster state update"
+      },
+      "master_timeout": {
+        "type": "time",
+        "description": "Specify timeout for connection to master"
+      }
+    }
   }
 }
diff --git a/specification/_json_spec/indices.delete_data_stream.json b/specification/_json_spec/indices.delete_data_stream.json
index 00fb99d919..163de3ecbd 100644
--- a/specification/_json_spec/indices.delete_data_stream.json
+++ b/specification/_json_spec/indices.delete_data_stream.json
@@ -29,6 +29,10 @@
         "options": ["open", "closed", "hidden", "none", "all"],
         "default": "open",
         "description": "Whether wildcard expressions should get expanded to open or closed indices (default: open)"
+      },
+      "master_timeout": {
+        "type": "time",
+        "description": "Specify timeout for connection to master"
       }
     }
   }
diff --git a/specification/_json_spec/indices.get_data_lifecycle.json b/specification/_json_spec/indices.get_data_lifecycle.json
index 4783815ce0..f356e91226 100644
--- a/specification/_json_spec/indices.get_data_lifecycle.json
+++ b/specification/_json_spec/indices.get_data_lifecycle.json
@@ -33,6 +33,10 @@
       "include_defaults": {
         "type": "boolean",
         "description": "Return all relevant default configurations for the data stream (default: false)"
+      },
+      "master_timeout": {
+        "type": "time",
+        "description": "Specify timeout for connection to master"
       }
     }
   }
diff --git a/specification/_json_spec/indices.get_data_stream.json b/specification/_json_spec/indices.get_data_stream.json
index 5e1ddf8805..fcd7ce6314 100644
--- a/specification/_json_spec/indices.get_data_stream.json
+++ b/specification/_json_spec/indices.get_data_stream.json
@@ -37,6 +37,10 @@
       "include_defaults": {
         "type": "boolean",
         "description": "Return all relevant default configurations for the data stream (default: false)"
+      },
+      "master_timeout": {
+        "type": "time",
+        "description": "Specify timeout for connection to master"
       }
     }
   }
diff --git a/specification/_json_spec/indices.migrate_to_data_stream.json b/specification/_json_spec/indices.migrate_to_data_stream.json
index 2dcdf5a6e7..9453dbed0f 100644
--- a/specification/_json_spec/indices.migrate_to_data_stream.json
+++ b/specification/_json_spec/indices.migrate_to_data_stream.json
@@ -23,6 +23,15 @@
         }
       ]
     },
-    "params": {}
+    "params": {
+      "timeout": {
+        "type": "time",
+        "description": "Specify timeout for acknowledging the cluster state update"
+      },
+      "master_timeout": {
+        "type": "time",
+        "description": "Specify timeout for connection to master"
+      }
+    }
   }
 }
diff --git a/specification/_json_spec/indices.promote_data_stream.json b/specification/_json_spec/indices.promote_data_stream.json
index f1eb9419d3..9088d03dc3 100644
--- a/specification/_json_spec/indices.promote_data_stream.json
+++ b/specification/_json_spec/indices.promote_data_stream.json
@@ -23,6 +23,11 @@
         }
       ]
     },
-    "params": {}
+    "params": {
+      "master_timeout": {
+        "type": "time",
+        "description": "Specify timeout for connection to master"
+      }
+    }
   }
 }
diff --git a/specification/indices/create_data_stream/IndicesCreateDataStreamRequest.ts b/specification/indices/create_data_stream/IndicesCreateDataStreamRequest.ts
index 6ab2c43c20..c52129519a 100644
--- a/specification/indices/create_data_stream/IndicesCreateDataStreamRequest.ts
+++ b/specification/indices/create_data_stream/IndicesCreateDataStreamRequest.ts
@@ -19,6 +19,7 @@
 
 import { RequestBase } from '@_types/Base'
 import { DataStreamName } from '@_types/common'
+import { Duration } from '@_types/Time'
 
 /**
  * Create a data stream.
@@ -41,4 +42,16 @@ export interface Request extends RequestBase {
      */
     name: DataStreamName
   }
+  query_parameters: {
+    /**
+     * Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.
+     * @server_default 30s
+     */
+    master_timeout?: Duration
+    /**
+     * Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.
+     * @server_default 30s
+     */
+    timeout?: Duration
+  }
 }
diff --git a/specification/indices/delete_data_stream/IndicesDeleteDataStreamRequest.ts b/specification/indices/delete_data_stream/IndicesDeleteDataStreamRequest.ts
index 3c1c156446..af4af1dd1d 100644
--- a/specification/indices/delete_data_stream/IndicesDeleteDataStreamRequest.ts
+++ b/specification/indices/delete_data_stream/IndicesDeleteDataStreamRequest.ts
@@ -19,6 +19,7 @@
 
 import { RequestBase } from '@_types/Base'
 import { ExpandWildcards, DataStreamNames } from '@_types/common'
+import { Duration } from '@_types/Time'
 
 /**
  * Delete data streams.
@@ -36,6 +37,11 @@ export interface Request extends RequestBase {
     name: DataStreamNames
   }
   query_parameters: {
+    /**
+     * Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.
+     * @server_default 30s
+     */
+    master_timeout?: Duration
     /**
      * Type of data stream that wildcard patterns can match. Supports comma-separated values,such as `open,hidden`.
      * @server_default open
diff --git a/specification/indices/get_data_lifecycle/IndicesGetDataLifecycleRequest.ts b/specification/indices/get_data_lifecycle/IndicesGetDataLifecycleRequest.ts
index ee207d440a..90707a0dfc 100644
--- a/specification/indices/get_data_lifecycle/IndicesGetDataLifecycleRequest.ts
+++ b/specification/indices/get_data_lifecycle/IndicesGetDataLifecycleRequest.ts
@@ -19,6 +19,7 @@
 
 import { RequestBase } from '@_types/Base'
 import { ExpandWildcards, DataStreamNames } from '@_types/common'
+import { Duration } from '@_types/Time'
 
 /**
  * Get data stream lifecycles.
@@ -49,5 +50,10 @@ export interface Request extends RequestBase {
      * @server_default false
      */
     include_defaults?: boolean
+    /**
+     * Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.
+     * @server_default 30s
+     */
+    master_timeout?: Duration
   }
 }
diff --git a/specification/indices/get_data_stream/IndicesGetDataStreamRequest.ts b/specification/indices/get_data_stream/IndicesGetDataStreamRequest.ts
index 0d1366c609..66d8eade5c 100644
--- a/specification/indices/get_data_stream/IndicesGetDataStreamRequest.ts
+++ b/specification/indices/get_data_stream/IndicesGetDataStreamRequest.ts
@@ -19,6 +19,7 @@
 
 import { RequestBase } from '@_types/Base'
 import { ExpandWildcards, DataStreamNames } from '@_types/common'
+import { Duration } from '@_types/Time'
 
 /**
  * Get data streams.
@@ -50,5 +51,10 @@ export interface Request extends RequestBase {
      * @availability serverless stability=stable
      */
     include_defaults?: boolean
+    /**
+     * Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.
+     * @server_default 30s
+     */
+    master_timeout?: Duration
   }
 }
diff --git a/specification/indices/migrate_to_data_stream/IndicesMigrateToDataStreamRequest.ts b/specification/indices/migrate_to_data_stream/IndicesMigrateToDataStreamRequest.ts
index 40b79f86d0..b4e5b18105 100644
--- a/specification/indices/migrate_to_data_stream/IndicesMigrateToDataStreamRequest.ts
+++ b/specification/indices/migrate_to_data_stream/IndicesMigrateToDataStreamRequest.ts
@@ -19,6 +19,7 @@
 
 import { RequestBase } from '@_types/Base'
 import { IndexName } from '@_types/common'
+import { Duration } from '@_types/Time'
 
 /**
  * Convert an index alias to a data stream.
@@ -42,4 +43,16 @@ export interface Request extends RequestBase {
     /** Name of the index alias to convert to a data stream. */
     name: IndexName
   }
+  query_parameters: {
+    /**
+     * Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.
+     * @server_default 30s
+     */
+    master_timeout?: Duration
+    /**
+     * Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.
+     * @server_default 30s
+     */
+    timeout?: Duration
+  }
 }
diff --git a/specification/indices/promote_data_stream/IndicesPromoteDataStreamRequest.ts b/specification/indices/promote_data_stream/IndicesPromoteDataStreamRequest.ts
index 10dcaf8bb2..a956954ed3 100644
--- a/specification/indices/promote_data_stream/IndicesPromoteDataStreamRequest.ts
+++ b/specification/indices/promote_data_stream/IndicesPromoteDataStreamRequest.ts
@@ -19,6 +19,7 @@
 
 import { RequestBase } from '@_types/Base'
 import { IndexName } from '@_types/common'
+import { Duration } from '@_types/Time'
 
 /**
  * @rest_spec_name indices.promote_data_stream
@@ -28,4 +29,11 @@ export interface Request extends RequestBase {
   path_parts: {
     name: IndexName
   }
+  query_parameters: {
+    /**
+     * Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error.
+     * @server_default 30s
+     */
+    master_timeout?: Duration
+  }
 }