diff --git a/src/BitPaySDKLight/Client.php b/src/BitPaySDKLight/Client.php
index 694c89d..d2af999 100644
--- a/src/BitPaySDKLight/Client.php
+++ b/src/BitPaySDKLight/Client.php
@@ -23,9 +23,9 @@
  * Class Client
  * @package Bitpay light
  * @author  Antonio Buedo
- * @version 1.1.1912
+ * @version 1.2.2002
  * See bitpay.com/api for more information.
- * date 11.12.2019
+ * date 25.02.2020
  */
 class Client
 {
diff --git a/src/BitPaySDKLight/Env.php b/src/BitPaySDKLight/Env.php
index 4629383..47404b6 100644
--- a/src/BitPaySDKLight/Env.php
+++ b/src/BitPaySDKLight/Env.php
@@ -6,10 +6,12 @@
 
 interface Env
 {
-    const Test             = "Test";
-    const Prod             = "Prod";
-    const TestUrl          = "https://test.bitpay.com/";
-    const ProdUrl          = "https://bitpay.com/";
-    const BitpayApiVersion = "2.0.0";
-    const BitpayPluginInfo = "BitPay_PHP_Client_v1.1.1912";
+    const Test                  = "Test";
+    const Prod                  = "Prod";
+    const TestUrl               = "https://test.bitpay.com/";
+    const ProdUrl               = "https://bitpay.com/";
+    const BitpayApiVersion      = "2.0.0";
+    const BitpayPluginInfo      = "BitPay_PHP_Client_v1.2.2002";
+    const BitpayApiFrame        = "custom-light";
+    const BitpayApiFrameVersion = "1.0.0";
 }
\ No newline at end of file
diff --git a/src/BitPaySDKLight/Model/Invoice/Invoice.php b/src/BitPaySDKLight/Model/Invoice/Invoice.php
index 0ec742b..5a01ac8 100644
--- a/src/BitPaySDKLight/Model/Invoice/Invoice.php
+++ b/src/BitPaySDKLight/Model/Invoice/Invoice.php
@@ -51,6 +51,13 @@ class Invoice
     protected $_shopper;
     protected $_billId;
     protected $_refundInfo;
+
+    /**
+     * PaymentCodes will be deprecated TODO on version 2.0
+     *
+     * @var array
+     * @deprecated
+     */
     protected $_paymentCodes;
     protected $_extendedNotifications = false;
 
@@ -78,7 +85,7 @@ public function __construct(float $price = null, string $currency = null)
         $this->_minerFees = new MinerFees();
         $this->_shopper = new Shopper();
         $this->_refundInfo = new RefundInfo();
-        $this->_paymentCodes = new PaymentCodes();
+        $this->_paymentCodes = null;
         $this->_paymentTotals = new PaymentTotal();
         $this->_paymentSubtotals = new PaymentTotal();
         $this->_paymentDisplayTotals = new PaymentTotal();
@@ -464,14 +471,25 @@ public function setRefundInfo(RefundInfo $refundInfo)
         $this->_refundInfo = $refundInfo;
     }
 
+    /**
+     * PaymentCodes will be deprecated TODO on version 2.0
+     *
+     * @deprecated
+     */
     public function getPaymentCodes()
     {
         return $this->_paymentCodes;
     }
 
+    /**
+     * PaymentCodes will be deprecated TODO on version 2.0
+     *
+     * @var array
+     * @deprecated
+     */
     public function setPaymentCodes(PaymentCodes $paymentCodes)
     {
-        $this->_paymentCodes = $paymentCodes;
+        $this->_paymentCodes = null;
     }
 
     public function getExtendedNotifications()
@@ -593,7 +611,7 @@ public function toArray()
             'shopper'                        => $this->getShopper()->toArray(),
             'billId'                         => $this->getBillId(),
             'refundInfo'                     => $this->getRefundInfo()->toArray(),
-            'paymentCodes'                   => $this->getPaymentCodes()->toArray(),
+            'paymentCodes'                   => [],
             'extendedNotifications'          => $this->getExtendedNotifications(),
             'transactionCurrency'            => $this->getTransactionCurrency(),
             'amountPaid'                     => $this->getAmountPaid(),
diff --git a/src/BitPaySDKLight/Model/Invoice/PaymentCode.php b/src/BitPaySDKLight/Model/Invoice/PaymentCode.php
index ccf9e6a..f3c4fee 100644
--- a/src/BitPaySDKLight/Model/Invoice/PaymentCode.php
+++ b/src/BitPaySDKLight/Model/Invoice/PaymentCode.php
@@ -4,6 +4,11 @@
 namespace BitPaySDKLight\Model\Invoice;
 
 
+/**
+ * PaymentCode will be deprecated TODO on version 2.0
+ *
+ * @deprecated
+ */
 class PaymentCode
 {
     protected $_bip72b;
diff --git a/src/BitPaySDKLight/Model/Invoice/PaymentCodes.php b/src/BitPaySDKLight/Model/Invoice/PaymentCodes.php
index 56980a8..22d470e 100644
--- a/src/BitPaySDKLight/Model/Invoice/PaymentCodes.php
+++ b/src/BitPaySDKLight/Model/Invoice/PaymentCodes.php
@@ -4,6 +4,11 @@
 namespace BitPaySDKLight\Model\Invoice;
 
 
+/**
+ * PaymentCode will be deprecated TODO on version 2.0
+ *
+ * @deprecated
+ */
 class PaymentCodes
 {
     protected $_btc;
diff --git a/src/BitPaySDKLight/Util/RESTcli/RESTcli.php b/src/BitPaySDKLight/Util/RESTcli/RESTcli.php
index 526d063..88ef170 100644
--- a/src/BitPaySDKLight/Util/RESTcli/RESTcli.php
+++ b/src/BitPaySDKLight/Util/RESTcli/RESTcli.php
@@ -36,8 +36,10 @@ public function init()
                     'base_url' => $this->_baseUrl,
                     'defaults' => [
                         'headers' => [
-                            "x-accept-version"     => Env::BitpayApiVersion,
-                            'x-bitpay-plugin-info' => Env::BitpayPluginInfo,
+                            "x-accept-version"           => Env::BitpayApiVersion,
+                            'X-BitPay-Plugin-Info'       => Env::BitpayPluginInfo,
+                            'x-bitpay-api-frame'         => Env::BitpayApiFrame,
+                            'x-bitpay-api-frame-version' => Env::BitpayApiFrameVersion,
                         ],
                     ],
                 ]);