diff --git a/docs/reference.asciidoc b/docs/reference.asciidoc
index ed179a0ba..f9b1fa690 100644
--- a/docs/reference.asciidoc
+++ b/docs/reference.asciidoc
@@ -5148,6 +5148,7 @@ A query ID is provided in the ES|QL async query API response for a query that do
 A query ID is also provided when the request was submitted with the `keep_on_completion` parameter set to `true`.
 ** *`drop_null_columns` (Optional, boolean)*: Indicates whether columns that are entirely `null` will be removed from the `columns` and `values` portion of the results.
 If `true`, the response will include an extra section under the name `all_columns` which has the name of all the columns.
+** *`format` (Optional, Enum("csv" | "json" | "tsv" | "txt" | "yaml" | "cbor" | "smile" | "arrow"))*: A short version of the Accept header, for example `json` or `yaml`.
 ** *`keep_alive` (Optional, string | -1 | 0)*: The period for which the query and its results are stored in the cluster.
 When this period expires, the query and its results are deleted, even if the query is still ongoing.
 ** *`wait_for_completion_timeout` (Optional, string | -1 | 0)*: The period to wait for the request to finish.
diff --git a/src/api/types.ts b/src/api/types.ts
index 874fa7fe6..2d82ad9f6 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -10642,6 +10642,7 @@ export type EsqlAsyncQueryDeleteResponse = AcknowledgedResponseBase
 export interface EsqlAsyncQueryGetRequest extends RequestBase {
   id: Id
   drop_null_columns?: boolean
+  format?: EsqlQueryEsqlFormat
   keep_alive?: Duration
   wait_for_completion_timeout?: Duration
 }
@@ -12070,10 +12071,6 @@ export interface IndicesGetRequest extends RequestBase {
 
 export type IndicesGetResponse = Record<IndexName, IndicesIndexState>
 
-export interface IndicesGetAliasIndexAliases {
-  aliases: Record<string, IndicesAliasDefinition>
-}
-
 export interface IndicesGetAliasRequest extends RequestBase {
   name?: Names
   index?: Indices
@@ -12085,6 +12082,17 @@ export interface IndicesGetAliasRequest extends RequestBase {
 
 export type IndicesGetAliasResponse = Record<IndexName, IndicesGetAliasIndexAliases>
 
+export interface IndicesGetAliasIndexAliases {
+  aliases: Record<string, IndicesAliasDefinition>
+}
+
+export interface IndicesGetAliasNotFoundAliasesKeys {
+  error: string
+  status: number
+}
+export type IndicesGetAliasNotFoundAliases = IndicesGetAliasNotFoundAliasesKeys
+& { [property: string]: IndicesGetAliasIndexAliases | string | number }
+
 export interface IndicesGetDataLifecycleDataStreamWithLifecycle {
   name: DataStreamName
   lifecycle?: IndicesDataStreamLifecycleWithRollover
diff --git a/src/api/typesWithBodyKey.ts b/src/api/typesWithBodyKey.ts
index a4b038e6a..1bd654740 100644
--- a/src/api/typesWithBodyKey.ts
+++ b/src/api/typesWithBodyKey.ts
@@ -10816,6 +10816,7 @@ export type EsqlAsyncQueryDeleteResponse = AcknowledgedResponseBase
 export interface EsqlAsyncQueryGetRequest extends RequestBase {
   id: Id
   drop_null_columns?: boolean
+  format?: EsqlQueryEsqlFormat
   keep_alive?: Duration
   wait_for_completion_timeout?: Duration
 }
@@ -12274,10 +12275,6 @@ export interface IndicesGetRequest extends RequestBase {
 
 export type IndicesGetResponse = Record<IndexName, IndicesIndexState>
 
-export interface IndicesGetAliasIndexAliases {
-  aliases: Record<string, IndicesAliasDefinition>
-}
-
 export interface IndicesGetAliasRequest extends RequestBase {
   name?: Names
   index?: Indices
@@ -12289,6 +12286,17 @@ export interface IndicesGetAliasRequest extends RequestBase {
 
 export type IndicesGetAliasResponse = Record<IndexName, IndicesGetAliasIndexAliases>
 
+export interface IndicesGetAliasIndexAliases {
+  aliases: Record<string, IndicesAliasDefinition>
+}
+
+export interface IndicesGetAliasNotFoundAliasesKeys {
+  error: string
+  status: number
+}
+export type IndicesGetAliasNotFoundAliases = IndicesGetAliasNotFoundAliasesKeys
+& { [property: string]: IndicesGetAliasIndexAliases | string | number }
+
 export interface IndicesGetDataLifecycleDataStreamWithLifecycle {
   name: DataStreamName
   lifecycle?: IndicesDataStreamLifecycleWithRollover