diff --git a/src/AtolOnlineClient/Configuration/Connection.php b/src/AtolOnlineClient/Configuration/Connection.php
index d283dea..a7edb1f 100644
--- a/src/AtolOnlineClient/Configuration/Connection.php
+++ b/src/AtolOnlineClient/Configuration/Connection.php
@@ -2,6 +2,7 @@
 
 namespace AtolOnlineClient\Configuration;
 
+use AtolOnlineClient\AtolOnlineApi;
 use Symfony\Component\Validator\Constraints as Assert;
 use Symfony\Component\Validator\Mapping\ClassMetadata;
 
@@ -152,4 +153,20 @@ class Connection
     {
         return $this->version;
     }
+
+    /**
+     * @return bool
+     */
+    public function isVersion3()
+    {
+        return $this->getVersion() === AtolOnlineApi::API_VERSION_V3;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isVersion4()
+    {
+        return $this->getVersion() === AtolOnlineApi::API_VERSION_V4;
+    }
 }