diff --git a/elasticsearch-api/lib/elasticsearch/api/actions/inference/put_eis.rb b/elasticsearch-api/lib/elasticsearch/api/actions/inference/inference.rb
similarity index 67%
rename from elasticsearch-api/lib/elasticsearch/api/actions/inference/put_eis.rb
rename to elasticsearch-api/lib/elasticsearch/api/actions/inference/inference.rb
index e423437f73..b35dd2fe1a 100644
--- a/elasticsearch-api/lib/elasticsearch/api/actions/inference/put_eis.rb
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/inference/inference.rb
@@ -22,37 +22,40 @@ module Elasticsearch
   module API
     module Inference
       module Actions
-        # Configure an inference endpoint that uses the Elastic Inference Service (EIS)
+        # Perform inference
         #
+        # @option arguments [String] :inference_id The inference Id
         # @option arguments [String] :task_type The task type
-        # @option arguments [String] :eis_inference_id The inference ID
         # @option arguments [Hash] :headers Custom HTTP headers
-        # @option arguments [Hash] :body The inference endpoint's task and service settings
+        # @option arguments [Hash] :body The inference payload
         #
-        # @see https://www.elastic.co/guide/en/elasticsearch/reference/8.17/infer-service-elastic.html
+        # @see https://www.elastic.co/guide/en/elasticsearch/reference/8.17/post-inference-api.html
         #
-        def put_eis(arguments = {})
-          request_opts = { endpoint: arguments[:endpoint] || 'inference.put_eis' }
+        def inference(arguments = {})
+          request_opts = { endpoint: arguments[:endpoint] || 'inference.inference' }
 
-          defined_params = %i[task_type eis_inference_id].each_with_object({}) do |variable, set_variables|
+          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 'task_type' missing" unless arguments[:task_type]
-          raise ArgumentError, "Required argument 'eis_inference_id' missing" unless arguments[:eis_inference_id]
+          raise ArgumentError, "Required argument 'inference_id' missing" unless arguments[:inference_id]
 
           arguments = arguments.clone
           headers = arguments.delete(:headers) || {}
 
           body = arguments.delete(:body)
 
-          _task_type = arguments.delete(:task_type)
+          _inference_id = arguments.delete(:inference_id)
 
-          _eis_inference_id = arguments.delete(:eis_inference_id)
+          _task_type = arguments.delete(:task_type)
 
-          method = Elasticsearch::API::HTTP_PUT
-          path   = "_inference/#{Utils.__listify(_task_type)}/#{Utils.__listify(_eis_inference_id)}"
+          method = Elasticsearch::API::HTTP_POST
+          path   = if _task_type && _inference_id
+                     "_inference/#{Utils.__listify(_task_type)}/#{Utils.__listify(_inference_id)}"
+                   else
+                     "_inference/#{Utils.__listify(_inference_id)}"
+                   end
           params = {}
 
           Elasticsearch::API::Response.new(
diff --git a/elasticsearch-api/spec/elasticsearch/api/actions/inference/put_eis_spec.rb b/elasticsearch-api/spec/elasticsearch/api/actions/inference/inference_spec.rb
similarity index 76%
rename from elasticsearch-api/spec/elasticsearch/api/actions/inference/put_eis_spec.rb
rename to elasticsearch-api/spec/elasticsearch/api/actions/inference/inference_spec.rb
index fefea73059..c87efa07b4 100644
--- a/elasticsearch-api/spec/elasticsearch/api/actions/inference/put_eis_spec.rb
+++ b/elasticsearch-api/spec/elasticsearch/api/actions/inference/inference_spec.rb
@@ -17,20 +17,20 @@
 
 require 'spec_helper'
 
-describe 'client#inference.put_eis' do
+describe 'client#inference.inference' do
   let(:expected_args) do
     [
-      'PUT',
+      'POST',
       '_inference/foo/bar',
       {},
       nil,
       {},
-      { defined_params: { eis_inference_id: 'bar', task_type: 'foo' },
-        endpoint: 'inference.put_eis' }
+      { defined_params: { inference_id: 'bar', task_type: 'foo' },
+        endpoint: 'inference.inference' }
     ]
   end
 
   it 'performs the request' do
-    expect(client_double.inference.put_eis(task_type: 'foo', eis_inference_id: 'bar')).to be_a Elasticsearch::API::Response
+    expect(client_double.inference.inference(task_type: 'foo', inference_id: 'bar')).to be_a Elasticsearch::API::Response
   end
 end