diff --git a/src/AtolOnlineClient/AtolOnline.php b/src/AtolOnlineClient/AtolOnline.php
new file mode 100644
index 0000000..7057c88
--- /dev/null
+++ b/src/AtolOnlineClient/AtolOnline.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace AtolOnlineClient;
+
+use AtolOnlineClient\Configuration\Connection;
+use AtolOnlineClient\Response\OperationResponse;
+use JMS\Serializer\DeserializationContext;
+use JMS\Serializer\SerializerBuilder;
+
+class AtolOnline
+{
+
+    private $serializer;
+
+    public function __construct()
+    {
+        $this->serializer = SerializerBuilder::create()->build();
+    }
+
+    public function createConfiguration()
+    {
+        return new Configuration();
+    }
+
+    public function deserializeOperationResponse($response)
+    {
+        return $this->serializer->deserialize(
+            $response,
+            OperationResponse::class,
+            'json',
+            DeserializationContext::create()->setGroups(['post'])
+        );
+    }
+
+    /**
+     * @param $client
+     * @param Connection $connection
+     * @param $isDebug
+     * @return AtolOnlineApi
+     */
+    public function getApi($client, Connection $connection, $isDebug)
+    {
+        return new AtolOnlineApi($client, $connection, $isDebug);
+    }
+}
\ No newline at end of file
diff --git a/src/AtolOnlineClient/Configuration.php b/src/AtolOnlineClient/Configuration.php
index 765a06b..d0d3c22 100644
--- a/src/AtolOnlineClient/Configuration.php
+++ b/src/AtolOnlineClient/Configuration.php
@@ -42,11 +42,11 @@ class Configuration implements ConfigurationInterface
             $connection->login = $connectionItem['login'];
             $connection->pass = $connectionItem['pass'];
             $connection->group = $connectionItem['group'];
-            $connection->legalEntity = $connectionItem['legalEntity'];
+//            $connection->legalEntity = $connectionItem['legalEntity'];
             $connection->sno = $connectionItem['sno'];
             $connection->enabled = (bool) $connectionItem['enabled'];
-            $connection->paymentTypes = $connectionItem['paymentTypes'];
-            $connection->paymentStatuses = $connectionItem['paymentStatuses'];
+//            $connection->paymentTypes = $connectionItem['paymentTypes'];
+//            $connection->paymentStatuses = $connectionItem['paymentStatuses'];
             $connection->ofd = $connectionItem['ofd'];
             $connection->version = $connectionItem['version'];
             $this->connections[] = $connection;
@@ -143,4 +143,9 @@ class Configuration implements ConfigurationInterface
 
         return false;
     }
+
+    protected function postLoadConfiguration()
+    {
+        
+    }
 }