diff --git a/elasticsearch-api/lib/elasticsearch/api/actions/esql/async_query_delete.rb b/elasticsearch-api/lib/elasticsearch/api/actions/esql/async_query_delete.rb
new file mode 100644
index 0000000000..647470b44a
--- /dev/null
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/esql/async_query_delete.rb
@@ -0,0 +1,60 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+# Auto generated from build hash f284cc16f4d4b4289bc679aa1529bb504190fe80
+# @see https://github.com/elastic/elasticsearch/tree/main/rest-api-spec
+#
+module Elasticsearch
+  module API
+    module Esql
+      module Actions
+        # Delete an async query request given its ID.
+        #
+        # @option arguments [String] :id The async query ID
+        # @option arguments [Hash] :headers Custom HTTP headers
+        #
+        # @see https://www.elastic.co/guide/en/elasticsearch/reference/current/esql-async-query-delete-api.html
+        #
+        def async_query_delete(arguments = {})
+          request_opts = { endpoint: arguments[:endpoint] || 'esql.async_query_delete' }
+
+          defined_params = [:id].each_with_object({}) do |variable, set_variables|
+            set_variables[variable] = arguments[variable] if arguments.key?(variable)
+          end
+          request_opts[:defined_params] = defined_params unless defined_params.empty?
+
+          raise ArgumentError, "Required argument 'id' missing" unless arguments[:id]
+
+          arguments = arguments.clone
+          headers = arguments.delete(:headers) || {}
+
+          body = nil
+
+          _id = arguments.delete(:id)
+
+          method = Elasticsearch::API::HTTP_DELETE
+          path   = "_query/async/#{Utils.__listify(_id)}"
+          params = {}
+
+          Elasticsearch::API::Response.new(
+            perform_request(method, path, params, body, headers, request_opts)
+          )
+        end
+      end
+    end
+  end
+end
diff --git a/elasticsearch-api/lib/elasticsearch/api/actions/indices/get_data_lifecycle_stats.rb b/elasticsearch-api/lib/elasticsearch/api/actions/indices/get_data_lifecycle_stats.rb
new file mode 100644
index 0000000000..3446984630
--- /dev/null
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/indices/get_data_lifecycle_stats.rb
@@ -0,0 +1,50 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+# Auto generated from build hash f284cc16f4d4b4289bc679aa1529bb504190fe80
+# @see https://github.com/elastic/elasticsearch/tree/main/rest-api-spec
+#
+module Elasticsearch
+  module API
+    module Indices
+      module Actions
+        # Get data stream lifecycle statistics.
+        #
+        # @option arguments [Hash] :headers Custom HTTP headers
+        #
+        # @see https://www.elastic.co/guide/en/elasticsearch/reference/current/data-streams-get-lifecycle-stats.html
+        #
+        def get_data_lifecycle_stats(arguments = {})
+          request_opts = { endpoint: arguments[:endpoint] || 'indices.get_data_lifecycle_stats' }
+
+          arguments = arguments.clone
+          headers = arguments.delete(:headers) || {}
+
+          body   = nil
+
+          method = Elasticsearch::API::HTTP_GET
+          path   = '_lifecycle/stats'
+          params = {}
+
+          Elasticsearch::API::Response.new(
+            perform_request(method, path, params, body, headers, request_opts)
+          )
+        end
+      end
+    end
+  end
+end
diff --git a/elasticsearch-api/lib/elasticsearch/api/actions/inference/update.rb b/elasticsearch-api/lib/elasticsearch/api/actions/inference/update.rb
new file mode 100644
index 0000000000..2a3fb1a22e
--- /dev/null
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/inference/update.rb
@@ -0,0 +1,68 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+# Auto generated from build hash f284cc16f4d4b4289bc679aa1529bb504190fe80
+# @see https://github.com/elastic/elasticsearch/tree/main/rest-api-spec
+#
+module Elasticsearch
+  module API
+    module Inference
+      module Actions
+        # Update inference
+        #
+        # @option arguments [String] :inference_id The inference Id
+        # @option arguments [String] :task_type The task type
+        # @option arguments [Hash] :headers Custom HTTP headers
+        # @option arguments [Hash] :body The inference endpoint's task and service settings
+        #
+        # @see https://www.elastic.co/guide/en/elasticsearch/reference/current/update-inference-api.html
+        #
+        def update(arguments = {})
+          request_opts = { endpoint: arguments[:endpoint] || 'inference.update' }
+
+          defined_params = %i[inference_id task_type].each_with_object({}) do |variable, set_variables|
+            set_variables[variable] = arguments[variable] if arguments.key?(variable)
+          end
+          request_opts[:defined_params] = defined_params unless defined_params.empty?
+
+          raise ArgumentError, "Required argument 'inference_id' missing" unless arguments[:inference_id]
+
+          arguments = arguments.clone
+          headers = arguments.delete(:headers) || {}
+
+          body = arguments.delete(:body)
+
+          _inference_id = arguments.delete(:inference_id)
+
+          _task_type = arguments.delete(:task_type)
+
+          method = Elasticsearch::API::HTTP_POST
+          path   = if _task_type && _inference_id
+                     "_inference/#{Utils.__listify(_task_type)}/#{Utils.__listify(_inference_id)}/_update"
+                   else
+                     "_inference/#{Utils.__listify(_inference_id)}/_update"
+                   end
+          params = {}
+
+          Elasticsearch::API::Response.new(
+            perform_request(method, path, params, body, headers, request_opts)
+          )
+        end
+      end
+    end
+  end
+end
diff --git a/elasticsearch-api/lib/elasticsearch/api/actions/security/delegate_pki.rb b/elasticsearch-api/lib/elasticsearch/api/actions/security/delegate_pki.rb
new file mode 100644
index 0000000000..1d637ba77e
--- /dev/null
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/security/delegate_pki.rb
@@ -0,0 +1,53 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+# Auto generated from build hash f284cc16f4d4b4289bc679aa1529bb504190fe80
+# @see https://github.com/elastic/elasticsearch/tree/main/rest-api-spec
+#
+module Elasticsearch
+  module API
+    module Security
+      module Actions
+        # Delegate PKI authentication.
+        #
+        # @option arguments [Hash] :headers Custom HTTP headers
+        # @option arguments [Hash] :body The X509Certificate chain. (*Required*)
+        #
+        # @see https://www.elastic.co/guide/en/elasticsearch/reference/current/security-api-delegate-pki-authentication.html
+        #
+        def delegate_pki(arguments = {})
+          request_opts = { endpoint: arguments[:endpoint] || 'security.delegate_pki' }
+
+          raise ArgumentError, "Required argument 'body' missing" unless arguments[:body]
+
+          arguments = arguments.clone
+          headers = arguments.delete(:headers) || {}
+
+          body   = arguments.delete(:body)
+
+          method = Elasticsearch::API::HTTP_POST
+          path   = '_security/delegate_pki'
+          params = {}
+
+          Elasticsearch::API::Response.new(
+            perform_request(method, path, params, body, headers, request_opts)
+          )
+        end
+      end
+    end
+  end
+end
diff --git a/elasticsearch-api/spec/elasticsearch/api/actions/esql/async_query_delete_spec.rb b/elasticsearch-api/spec/elasticsearch/api/actions/esql/async_query_delete_spec.rb
new file mode 100644
index 0000000000..2eb85ef6eb
--- /dev/null
+++ b/elasticsearch-api/spec/elasticsearch/api/actions/esql/async_query_delete_spec.rb
@@ -0,0 +1,35 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require 'spec_helper'
+
+describe 'client.esql#async_query_delete' do
+  let(:expected_args) do
+    [
+      'DELETE',
+      '_query/async/foo',
+      {},
+      nil,
+      {},
+      { defined_params: {id: 'foo' }, endpoint: 'esql.async_query_delete' }
+    ]
+  end
+
+  it 'performs the request' do
+    expect(client_double.esql.async_query_delete(id: 'foo')).to be_a Elasticsearch::API::Response
+  end
+end
diff --git a/elasticsearch-api/spec/elasticsearch/api/actions/indices/get_data_lifecycle_stats_spec.rb b/elasticsearch-api/spec/elasticsearch/api/actions/indices/get_data_lifecycle_stats_spec.rb
new file mode 100644
index 0000000000..8938b5a156
--- /dev/null
+++ b/elasticsearch-api/spec/elasticsearch/api/actions/indices/get_data_lifecycle_stats_spec.rb
@@ -0,0 +1,35 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require 'spec_helper'
+
+describe 'client.indices#get_data_lifecycle_stats' do
+  let(:expected_args) do
+    [
+      'GET',
+      '_lifecycle/stats',
+      {},
+      nil,
+      {},
+      { endpoint: 'indices.get_data_lifecycle_stats' }
+    ]
+  end
+
+  it 'performs the request' do
+    expect(client_double.indices.get_data_lifecycle_stats).to be_a Elasticsearch::API::Response
+  end
+end
diff --git a/elasticsearch-api/spec/elasticsearch/api/actions/inference/update_spec.rb b/elasticsearch-api/spec/elasticsearch/api/actions/inference/update_spec.rb
new file mode 100644
index 0000000000..a8fdbf1b7a
--- /dev/null
+++ b/elasticsearch-api/spec/elasticsearch/api/actions/inference/update_spec.rb
@@ -0,0 +1,36 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require 'spec_helper'
+
+describe 'client#inference.update' do
+  let(:expected_args) do
+    [
+      'POST',
+      '_inference/foo/bar/_update',
+      {},
+      nil,
+      {},
+      { defined_params: { inference_id: 'bar', task_type: 'foo' },
+        endpoint: 'inference.update' }
+    ]
+  end
+
+  it 'performs the request' do
+    expect(client_double.inference.update(task_type: 'foo', inference_id: 'bar')).to be_a Elasticsearch::API::Response
+  end
+end
diff --git a/elasticsearch-api/spec/elasticsearch/api/actions/security/delegate_pki_spec.rb b/elasticsearch-api/spec/elasticsearch/api/actions/security/delegate_pki_spec.rb
new file mode 100644
index 0000000000..d21418f212
--- /dev/null
+++ b/elasticsearch-api/spec/elasticsearch/api/actions/security/delegate_pki_spec.rb
@@ -0,0 +1,39 @@
+# Licensed to Elasticsearch B.V. under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Elasticsearch B.V. licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+require 'spec_helper'
+
+describe 'client#security#delegate_pki' do
+  let(:expected_args) do
+    [
+      'POST',
+      '_security/delegate_pki',
+      params,
+      {},
+      {},
+      { endpoint: 'security.delegate_pki' }
+    ]
+  end
+
+  let(:params) do
+    {}
+  end
+
+  it 'performs the request' do
+    expect(client_double.security.delegate_pki(body: {})).to be_a Elasticsearch::API::Response
+  end
+end