diff --git a/README.md b/README.md
index 2fe4649..b4d1727 100755
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Description: For making PayPal API calls with ease
 
 ```php
 // PayPalHelper construct (with endpoint url and version passed)  
-$PayPalHelper = new PayPalHelper("https://api-3t.sandbox.paypal.com/nvp", "109.0");  
+$PayPalHelper = new PayPalHelper("https://api-3t.sandbox.paypal.com/nvp", "202");  
   
 // Config that will be passed to all API calls  
 $PayPalHelper->SetConfig(array(  
@@ -33,24 +33,28 @@ else
 
 **Example of using different modes**
 
+Note that ENDPOINT is a special config property that will override the default passed in the constructor.
+
 
 ```php
 // Define PayPal config modes  
 define("SANDBOXMODE", 0);  
 define("LIVEMODE", 1);  
   
-// PayPalHelper construct (with endpoint url and version passed)  
-$PayPalHelper = new PayPalHelper("https://api-3t.sandbox.paypal.com/nvp", "109.0");  
+// PayPalHelper construct (no endpoint or version passed, version is currently 202 by default)
+$PayPalHelper = new PayPalHelper();  
   
 // Set sandbox config
-$PayPalHelper->SetConfig(array(  
+$PayPalHelper->SetConfig(array(
+	 "ENDPOINT"		=> "https://api-3t.sandbox.paypal.com/nvp",
 	 "USER"			=> "SANDBOX-USERNAME",  
 	 "PWD"			=> "SANDBOX-PASSWORD",  
 	 "SIGNATURE"	=> "SANDBOX-SIGNATURE"  
 ), SANDBOXMODE);  
   
 // Set live config
-$PayPalHelper->SetConfig(array(  
+$PayPalHelper->SetConfig(array(
+	 "ENDPOINT"		=> "https://api-3t.paypal.com/nvp",  
 	 "USER"			=> "USERNAME",  
 	 "PWD"			=> "PASSWORD",  
 	 "SIGNATURE"	=> "SIGNATURE"  
diff --git a/class.paypalhelper.php b/class.paypalhelper.php
index 1295ebc..d645902 100755
--- a/class.paypalhelper.php
+++ b/class.paypalhelper.php
@@ -12,7 +12,7 @@ class PayPalHelper
 		public $Result;
 
 		// Construct
-		public function __construct($Endpoint = "", $Version = "109.0")
+		public function __construct($Endpoint = "", $Version = "202")
 		{
 			$this->SetMode(0);
 			$this->SetEndpoint($Endpoint);
@@ -80,6 +80,14 @@ public function GetVersion()
 		public function SetMode($Mode)
 		{
 			$this->Mode = $Mode;
+
+			// Update endpoint if set in this config mode
+			if(isset($this->Config[$this->Mode]["ENDPOINT"])
+				&& is_string($this->Config[$this->Mode]["ENDPOINT"])
+				&& strlen($this->Config[$this->Mode]["ENDPOINT"]) > 0)
+			{
+				$this->Endpoint = $this->Config[$this->Mode]["ENDPOINT"];
+			}
 		}
 
 		/*
@@ -127,6 +135,13 @@ public function DoCall()
 			// Get all parameters
 			$Args = func_get_args();
 
+			// Unset ENDPOINT in if set so it doesn't get passed as an option
+			if(isset($this->Config[$this->Mode]["ENDPOINT"]))
+			{
+				$this->Endpoint = $this->Config[$this->Mode]["ENDPOINT"];
+				unset($this->Config[$this->Mode]["ENDPOINT"]);
+			}
+
 			// Apply VERSION and current config array to RequestParams
 			$RequestParams = array_merge(
 				array("VERSION" => $this->Version),
@@ -175,6 +190,10 @@ public function DoCall()
 			else
 				$this->Success = false;
 
+			// Put ENDPOINT back into array
+			if(isset($this->Endpoint))
+				$this->Config[$this->Mode]["ENDPOINT"] = $this->Endpoint;
+
 			return $this->Result;
 		}
 	}