diff --git a/elasticsearch-xpack/lib/elasticsearch/xpack/api/actions/fleet/search.rb b/elasticsearch-xpack/lib/elasticsearch/xpack/api/actions/fleet/search.rb
new file mode 100644
index 0000000000..0a07f18dcb
--- /dev/null
+++ b/elasticsearch-xpack/lib/elasticsearch/xpack/api/actions/fleet/search.rb
@@ -0,0 +1,73 @@
+# 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.
+
+module Elasticsearch
+  module XPack
+    module API
+      module Fleet
+        module Actions
+          # Search API where the search will only be executed after specified checkpoints are available due to a refresh. This API is designed for internal use by the fleet server project.
+          # This functionality is Experimental and may be changed or removed
+          # completely in a future release. Elastic will take a best effort approach
+          # to fix any issues, but experimental features are not subject to the
+          # support SLA of official GA features.
+          #
+          # @option arguments [String] :index The index name to search.
+          # @option arguments [List] :wait_for_checkpoints Comma separated list of checkpoints, one per shard
+          # @option arguments [Time] :wait_for_checkpoints_timeout Explicit wait_for_checkpoints timeout
+          # @option arguments [Boolean] :allow_partial_search_results Indicate if an error should be returned if there is a partial search failure or timeout
+          # @option arguments [Hash] :headers Custom HTTP headers
+          # @option arguments [Hash] :body The search definition using the Query DSL
+          #
+          # @see [TODO]
+          #
+          def search(arguments = {})
+            raise ArgumentError, "Required argument 'index' missing" unless arguments[:index]
+
+            headers = arguments.delete(:headers) || {}
+
+            arguments = arguments.clone
+            arguments[:index] = UNDERSCORE_ALL if !arguments[:index] && arguments[:type]
+
+            _index = arguments.delete(:index)
+
+            method = if arguments[:body]
+                       Elasticsearch::API::HTTP_POST
+                     else
+                       Elasticsearch::API::HTTP_GET
+                     end
+
+            path   = "#{Elasticsearch::API::Utils.__listify(_index)}/_fleet/_fleet_search"
+            params = Elasticsearch::API::Utils.__validate_and_extract_params arguments, ParamsRegistry.get(__method__)
+
+            body = arguments[:body]
+            perform_request(method, path, params, body, headers).body
+          end
+
+          # Register this action with its valid params when the module is loaded.
+          #
+          # @since 6.2.0
+          ParamsRegistry.register(:search, [
+            :wait_for_checkpoints,
+            :wait_for_checkpoints_timeout,
+            :allow_partial_search_results
+          ].freeze)
+        end
+      end
+    end
+  end
+end
diff --git a/elasticsearch-xpack/spec/xpack/fleet/search_spec.rb b/elasticsearch-xpack/spec/xpack/fleet/search_spec.rb
new file mode 100644
index 0000000000..cd8e3ddb03
--- /dev/null
+++ b/elasticsearch-xpack/spec/xpack/fleet/search_spec.rb
@@ -0,0 +1,44 @@
+# 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#fleet.search' do
+  let(:expected_args) do
+    [
+      'GET',
+      'foo/_fleet/_fleet_search',
+      {},
+      nil,
+      {}
+    ]
+  end
+
+  it 'performs the request' do
+    expect(client_double.fleet.search(index: 'foo')).to eq({})
+  end
+
+  let(:client) do
+    Class.new { include Elasticsearch::XPack::API }.new
+  end
+
+  it 'requires the :index argument' do
+    expect {
+      client.fleet.search
+    }.to raise_exception(ArgumentError)
+  end
+end