diff --git a/elasticsearch-api/lib/elasticsearch/api/actions/indices/cancel_migrate_reindex.rb b/elasticsearch-api/lib/elasticsearch/api/actions/indices/cancel_migrate_reindex.rb
new file mode 100644
index 000000000..e1ede9806
--- /dev/null
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/indices/cancel_migrate_reindex.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 Indices
+      module Actions
+        # Cancel a migration reindex operation
+        #
+        # @option arguments [String] :index The index or data stream name
+        # @option arguments [Hash] :headers Custom HTTP headers
+        #
+        # @see https://www.elastic.co/guide/en/elasticsearch/reference/8.19/migrate-data-stream.html
+        #
+        def cancel_migrate_reindex(arguments = {})
+          request_opts = { endpoint: arguments[:endpoint] || 'indices.cancel_migrate_reindex' }
+
+          defined_params = [:index].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 'index' missing" unless arguments[:index]
+
+          arguments = arguments.clone
+          headers = arguments.delete(:headers) || {}
+
+          body   = nil
+
+          _index = arguments.delete(:index)
+
+          method = Elasticsearch::API::HTTP_POST
+          path   = "_migration/reindex/#{Utils.__listify(_index)}/_cancel"
+          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/create_from.rb b/elasticsearch-api/lib/elasticsearch/api/actions/indices/create_from.rb
new file mode 100644
index 000000000..e94e4d59d
--- /dev/null
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/indices/create_from.rb
@@ -0,0 +1,65 @@
+# 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
+        # Create an index from a source index
+        #
+        # @option arguments [String] :source The source index name
+        # @option arguments [String] :dest The destination index name
+        # @option arguments [Hash] :headers Custom HTTP headers
+        # @option arguments [Hash] :body The body contains the fields `mappings_override`, `settings_override`, and `remove_index_blocks`.
+        #
+        # @see https://www.elastic.co/guide/en/elasticsearch/reference/8.19/migrate-data-stream.html
+        #
+        def create_from(arguments = {})
+          request_opts = { endpoint: arguments[:endpoint] || 'indices.create_from' }
+
+          defined_params = %i[source dest].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 'source' missing" unless arguments[:source]
+          raise ArgumentError, "Required argument 'dest' missing" unless arguments[:dest]
+
+          arguments = arguments.clone
+          headers = arguments.delete(:headers) || {}
+
+          body = arguments.delete(:body)
+
+          _source = arguments.delete(:source)
+
+          _dest = arguments.delete(:dest)
+
+          method = Elasticsearch::API::HTTP_PUT
+          path   = "_create_from/#{Utils.__listify(_source)}/#{Utils.__listify(_dest)}"
+          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_migrate_reindex_status.rb b/elasticsearch-api/lib/elasticsearch/api/actions/indices/get_migrate_reindex_status.rb
new file mode 100644
index 000000000..c323c37d8
--- /dev/null
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/indices/get_migrate_reindex_status.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 Indices
+      module Actions
+        # Get the migration reindexing status
+        #
+        # @option arguments [String] :index The index or data stream name
+        # @option arguments [Hash] :headers Custom HTTP headers
+        #
+        # @see https://www.elastic.co/guide/en/elasticsearch/reference/8.19/migrate-data-stream.html
+        #
+        def get_migrate_reindex_status(arguments = {})
+          request_opts = { endpoint: arguments[:endpoint] || 'indices.get_migrate_reindex_status' }
+
+          defined_params = [:index].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 'index' missing" unless arguments[:index]
+
+          arguments = arguments.clone
+          headers = arguments.delete(:headers) || {}
+
+          body   = nil
+
+          _index = arguments.delete(:index)
+
+          method = Elasticsearch::API::HTTP_GET
+          path   = "_migration/reindex/#{Utils.__listify(_index)}/_status"
+          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/migrate_reindex.rb b/elasticsearch-api/lib/elasticsearch/api/actions/indices/migrate_reindex.rb
new file mode 100644
index 000000000..155502d5f
--- /dev/null
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/indices/migrate_reindex.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 Indices
+      module Actions
+        # Reindex legacy backing indices
+        #
+        # @option arguments [Hash] :headers Custom HTTP headers
+        # @option arguments [Hash] :body The body contains the fields `mode` and `source.index, where the only mode currently supported is `upgrade`, and the `source.index` must be a data stream name (*Required*)
+        #
+        # @see https://www.elastic.co/guide/en/elasticsearch/reference/8.19/migrate-data-stream.html
+        #
+        def migrate_reindex(arguments = {})
+          request_opts = { endpoint: arguments[:endpoint] || 'indices.migrate_reindex' }
+
+          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   = '_migration/reindex'
+          params = {}
+
+          Elasticsearch::API::Response.new(
+            perform_request(method, path, params, body, headers, request_opts)
+          )
+        end
+      end
+    end
+  end
+end