app/jobs/xmpp_send_message_job.rb

@@ -0,0 +1,8 @@
+class XmppSendMessageJob < ApplicationJob
+  queue_as :default
+
+  def perform(payload)
+    ejabberd = EjabberdApiClient.new
+    ejabberd.send_message payload
+  end
+end

app/services/ejabberd_api_client.rb

@@ -17,4 +17,8 @@ class EjabberdApiClient
   def add_rosteritem(payload)
     post "add_rosteritem", payload
   end
+
+  def send_message(payload)
+    post "send_message", payload
+  end
 end