diff --git a/demo/rest/rest-checkout-line-items-v1/CreatePaymentUsingPayPal.php b/demo/rest/rest-checkout-line-items-v1/CreatePaymentUsingPayPal.php
index 5d761530..c0504fdf 100644
--- a/demo/rest/rest-checkout-line-items-v1/CreatePaymentUsingPayPal.php
+++ b/demo/rest/rest-checkout-line-items-v1/CreatePaymentUsingPayPal.php
@@ -10,6 +10,7 @@
  */
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/demo/rest/rest-checkout-line-items-v1/ExecutePayment.php b/demo/rest/rest-checkout-line-items-v1/ExecutePayment.php
index a4de00e7..efb24987 100644
--- a/demo/rest/rest-checkout-line-items-v1/ExecutePayment.php
+++ b/demo/rest/rest-checkout-line-items-v1/ExecutePayment.php
@@ -21,6 +21,7 @@
  */
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/demo/rest/rest-checkout-line-items-v1/GetPaymentDetails.php b/demo/rest/rest-checkout-line-items-v1/GetPaymentDetails.php
index d00ef2ac..50d895e7 100644
--- a/demo/rest/rest-checkout-line-items-v1/GetPaymentDetails.php
+++ b/demo/rest/rest-checkout-line-items-v1/GetPaymentDetails.php
@@ -21,6 +21,7 @@
  */
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/demo/rest/rest-checkout-line-items-v2/CaptureOrder.php b/demo/rest/rest-checkout-line-items-v2/CaptureOrder.php
index ad237510..c19a9806 100644
--- a/demo/rest/rest-checkout-line-items-v2/CaptureOrder.php
+++ b/demo/rest/rest-checkout-line-items-v2/CaptureOrder.php
@@ -12,6 +12,7 @@
  */
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/demo/rest/rest-checkout-line-items-v2/CreateCaptureOrder.php b/demo/rest/rest-checkout-line-items-v2/CreateCaptureOrder.php
index 41208c7d..580a2536 100644
--- a/demo/rest/rest-checkout-line-items-v2/CreateCaptureOrder.php
+++ b/demo/rest/rest-checkout-line-items-v2/CreateCaptureOrder.php
@@ -11,6 +11,7 @@
  * Then load the PayPal object into $PayPal
  */
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/demo/rest/rest-checkout-line-items-v2/GetOrderDetails.php b/demo/rest/rest-checkout-line-items-v2/GetOrderDetails.php
index 0fdde380..768069d4 100644
--- a/demo/rest/rest-checkout-line-items-v2/GetOrderDetails.php
+++ b/demo/rest/rest-checkout-line-items-v2/GetOrderDetails.php
@@ -9,6 +9,7 @@
 require_once '../../../includes/config.php';
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/billing_agreements/BillAgreementBalance.php b/samples/rest/billing_agreements/BillAgreementBalance.php
index d864b4d2..d8fdb327 100644
--- a/samples/rest/billing_agreements/BillAgreementBalance.php
+++ b/samples/rest/billing_agreements/BillAgreementBalance.php
@@ -5,6 +5,7 @@
 
 // Create PayPal object.
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_agreements/CancelBillingAgreement.php b/samples/rest/billing_agreements/CancelBillingAgreement.php
index dd45b856..a58c1383 100644
--- a/samples/rest/billing_agreements/CancelBillingAgreement.php
+++ b/samples/rest/billing_agreements/CancelBillingAgreement.php
@@ -5,6 +5,7 @@
 
 // Create PayPal object.
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_agreements/CreateBillingAgreementWithCreditCard.php b/samples/rest/billing_agreements/CreateBillingAgreementWithCreditCard.php
index 5b6c9652..c60a1c20 100644
--- a/samples/rest/billing_agreements/CreateBillingAgreementWithCreditCard.php
+++ b/samples/rest/billing_agreements/CreateBillingAgreementWithCreditCard.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_agreements/CreateBillingAgreementWithPayPal.php b/samples/rest/billing_agreements/CreateBillingAgreementWithPayPal.php
index d5206e2e..133203ce 100644
--- a/samples/rest/billing_agreements/CreateBillingAgreementWithPayPal.php
+++ b/samples/rest/billing_agreements/CreateBillingAgreementWithPayPal.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_agreements/ExecuteAgreement.php b/samples/rest/billing_agreements/ExecuteAgreement.php
index 4ab4be30..00a52836 100644
--- a/samples/rest/billing_agreements/ExecuteAgreement.php
+++ b/samples/rest/billing_agreements/ExecuteAgreement.php
@@ -6,6 +6,7 @@
 
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/billing_agreements/GetBillingAgreement.php b/samples/rest/billing_agreements/GetBillingAgreement.php
index 5e88541e..642426e7 100644
--- a/samples/rest/billing_agreements/GetBillingAgreement.php
+++ b/samples/rest/billing_agreements/GetBillingAgreement.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_agreements/ReactivateBillingAgreement.php b/samples/rest/billing_agreements/ReactivateBillingAgreement.php
index 405242c5..f66af8a2 100644
--- a/samples/rest/billing_agreements/ReactivateBillingAgreement.php
+++ b/samples/rest/billing_agreements/ReactivateBillingAgreement.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_agreements/SearchBillingTransactions.php b/samples/rest/billing_agreements/SearchBillingTransactions.php
index 802ce8c1..b51274e2 100644
--- a/samples/rest/billing_agreements/SearchBillingTransactions.php
+++ b/samples/rest/billing_agreements/SearchBillingTransactions.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_agreements/SetAgreementBalance.php b/samples/rest/billing_agreements/SetAgreementBalance.php
index 1ef9c0de..1215e0a5 100644
--- a/samples/rest/billing_agreements/SetAgreementBalance.php
+++ b/samples/rest/billing_agreements/SetAgreementBalance.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_agreements/SuspendBillingAgreement.php b/samples/rest/billing_agreements/SuspendBillingAgreement.php
index a3413689..ae19dc8e 100644
--- a/samples/rest/billing_agreements/SuspendBillingAgreement.php
+++ b/samples/rest/billing_agreements/SuspendBillingAgreement.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_agreements/UpdateBillingAgreement.php b/samples/rest/billing_agreements/UpdateBillingAgreement.php
index a69e8263..c96be4ed 100644
--- a/samples/rest/billing_agreements/UpdateBillingAgreement.php
+++ b/samples/rest/billing_agreements/UpdateBillingAgreement.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_plans/CreatePlan.php b/samples/rest/billing_plans/CreatePlan.php
index f364c76d..3e8a9d05 100644
--- a/samples/rest/billing_plans/CreatePlan.php
+++ b/samples/rest/billing_plans/CreatePlan.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/billing_plans/DeletePlan.php b/samples/rest/billing_plans/DeletePlan.php
index 3d39eb98..d1fe39dc 100644
--- a/samples/rest/billing_plans/DeletePlan.php
+++ b/samples/rest/billing_plans/DeletePlan.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_plans/GetPlan.php b/samples/rest/billing_plans/GetPlan.php
index a66fb55e..d0fbc1dc 100644
--- a/samples/rest/billing_plans/GetPlan.php
+++ b/samples/rest/billing_plans/GetPlan.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_plans/ListPlans.php b/samples/rest/billing_plans/ListPlans.php
index 6687711f..8ee780df 100644
--- a/samples/rest/billing_plans/ListPlans.php
+++ b/samples/rest/billing_plans/ListPlans.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/billing_plans/UpdatePlan.php b/samples/rest/billing_plans/UpdatePlan.php
index fd4eca3f..1a6c9330 100644
--- a/samples/rest/billing_plans/UpdatePlan.php
+++ b/samples/rest/billing_plans/UpdatePlan.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/checkout_orders/AuthorizeOrder.php b/samples/rest/checkout_orders/AuthorizeOrder.php
index 82275262..21ac6d32 100644
--- a/samples/rest/checkout_orders/AuthorizeOrder.php
+++ b/samples/rest/checkout_orders/AuthorizeOrder.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/CaptureAuthorizedPayment.php b/samples/rest/checkout_orders/CaptureAuthorizedPayment.php
index c5b438c0..787fa1f0 100644
--- a/samples/rest/checkout_orders/CaptureAuthorizedPayment.php
+++ b/samples/rest/checkout_orders/CaptureAuthorizedPayment.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/CaptureOrder.php b/samples/rest/checkout_orders/CaptureOrder.php
index b8d894f3..9f230294 100644
--- a/samples/rest/checkout_orders/CaptureOrder.php
+++ b/samples/rest/checkout_orders/CaptureOrder.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/CreateAuthorizeOrder.php b/samples/rest/checkout_orders/CreateAuthorizeOrder.php
index 1b540c0f..c7db8ea5 100644
--- a/samples/rest/checkout_orders/CreateAuthorizeOrder.php
+++ b/samples/rest/checkout_orders/CreateAuthorizeOrder.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/CreateCaptureOrder.php b/samples/rest/checkout_orders/CreateCaptureOrder.php
index 887aeacc..ca6b7979 100644
--- a/samples/rest/checkout_orders/CreateCaptureOrder.php
+++ b/samples/rest/checkout_orders/CreateCaptureOrder.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/GetAuthorizePaymentDetails.php b/samples/rest/checkout_orders/GetAuthorizePaymentDetails.php
index 84d267bb..bbec44a6 100644
--- a/samples/rest/checkout_orders/GetAuthorizePaymentDetails.php
+++ b/samples/rest/checkout_orders/GetAuthorizePaymentDetails.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/GetCapturedPaymentDetails.php b/samples/rest/checkout_orders/GetCapturedPaymentDetails.php
index 9543527a..449079be 100644
--- a/samples/rest/checkout_orders/GetCapturedPaymentDetails.php
+++ b/samples/rest/checkout_orders/GetCapturedPaymentDetails.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/GetOrderDetails.php b/samples/rest/checkout_orders/GetOrderDetails.php
index 13597c2a..78ebd538 100644
--- a/samples/rest/checkout_orders/GetOrderDetails.php
+++ b/samples/rest/checkout_orders/GetOrderDetails.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/Reauthorize.php b/samples/rest/checkout_orders/Reauthorize.php
index 79255868..726b430a 100644
--- a/samples/rest/checkout_orders/Reauthorize.php
+++ b/samples/rest/checkout_orders/Reauthorize.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/RefundCapturedPayment.php b/samples/rest/checkout_orders/RefundCapturedPayment.php
index 57b5308e..05f763f0 100644
--- a/samples/rest/checkout_orders/RefundCapturedPayment.php
+++ b/samples/rest/checkout_orders/RefundCapturedPayment.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/ShowRefundDetails.php b/samples/rest/checkout_orders/ShowRefundDetails.php
index fb212875..aa545a23 100644
--- a/samples/rest/checkout_orders/ShowRefundDetails.php
+++ b/samples/rest/checkout_orders/ShowRefundDetails.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/UpdateOrder.php b/samples/rest/checkout_orders/UpdateOrder.php
index a81ca73d..f6f22682 100644
--- a/samples/rest/checkout_orders/UpdateOrder.php
+++ b/samples/rest/checkout_orders/UpdateOrder.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/checkout_orders/VoidAuthorizedPayment.php b/samples/rest/checkout_orders/VoidAuthorizedPayment.php
index 05e168cc..45016437 100644
--- a/samples/rest/checkout_orders/VoidAuthorizedPayment.php
+++ b/samples/rest/checkout_orders/VoidAuthorizedPayment.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/customer-disputes/AcceptClaim.php b/samples/rest/customer-disputes/AcceptClaim.php
index dd4b3006..5dc94048 100644
--- a/samples/rest/customer-disputes/AcceptClaim.php
+++ b/samples/rest/customer-disputes/AcceptClaim.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/customer-disputes/DisputesAppeal.php b/samples/rest/customer-disputes/DisputesAppeal.php
index 84c51cf9..8aeeaa88 100644
--- a/samples/rest/customer-disputes/DisputesAppeal.php
+++ b/samples/rest/customer-disputes/DisputesAppeal.php
@@ -11,6 +11,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/customer-disputes/DisputesEscalate.php b/samples/rest/customer-disputes/DisputesEscalate.php
index b0a12780..fd505691 100644
--- a/samples/rest/customer-disputes/DisputesEscalate.php
+++ b/samples/rest/customer-disputes/DisputesEscalate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/customer-disputes/DisputesMakeOffer.php b/samples/rest/customer-disputes/DisputesMakeOffer.php
index db21f555..82ddbd72 100644
--- a/samples/rest/customer-disputes/DisputesMakeOffer.php
+++ b/samples/rest/customer-disputes/DisputesMakeOffer.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/customer-disputes/ListDisputes.php b/samples/rest/customer-disputes/ListDisputes.php
index dd401a8a..53ea636c 100644
--- a/samples/rest/customer-disputes/ListDisputes.php
+++ b/samples/rest/customer-disputes/ListDisputes.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/customer-disputes/ProvideEvidence.php b/samples/rest/customer-disputes/ProvideEvidence.php
index 558d7ebf..892a8d5f 100644
--- a/samples/rest/customer-disputes/ProvideEvidence.php
+++ b/samples/rest/customer-disputes/ProvideEvidence.php
@@ -16,6 +16,7 @@
  */
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/customer-disputes/SendMessageToOtherParty.php b/samples/rest/customer-disputes/SendMessageToOtherParty.php
index 4ff781b4..6ed75cfe 100644
--- a/samples/rest/customer-disputes/SendMessageToOtherParty.php
+++ b/samples/rest/customer-disputes/SendMessageToOtherParty.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/customer-disputes/SettleDispute.php b/samples/rest/customer-disputes/SettleDispute.php
index ea55f203..2cada75a 100644
--- a/samples/rest/customer-disputes/SettleDispute.php
+++ b/samples/rest/customer-disputes/SettleDispute.php
@@ -8,6 +8,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/customer-disputes/ShowDisputeDetails.php b/samples/rest/customer-disputes/ShowDisputeDetails.php
index f921f81d..40d9e230 100644
--- a/samples/rest/customer-disputes/ShowDisputeDetails.php
+++ b/samples/rest/customer-disputes/ShowDisputeDetails.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/customer-disputes/UpdateDisputeStatus.php b/samples/rest/customer-disputes/UpdateDisputeStatus.php
index 57a1905a..30f47788 100644
--- a/samples/rest/customer-disputes/UpdateDisputeStatus.php
+++ b/samples/rest/customer-disputes/UpdateDisputeStatus.php
@@ -16,6 +16,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/identity/GetUserConsentURL.php b/samples/rest/identity/GetUserConsentURL.php
index 3b808928..00ac9ead 100644
--- a/samples/rest/identity/GetUserConsentURL.php
+++ b/samples/rest/identity/GetUserConsentURL.php
@@ -3,13 +3,14 @@
 require_once('../../../autoload.php');
 require_once('../../../includes/config.php');
 
-$configArray = array(
-                'ClientID' => $rest_client_id,
-                'ClientSecret' => $rest_client_secret,
-                'LogResults' => $log_results, 
-                'LogPath' => $log_path,
-                'LogLevel' => $log_level
-                );
+$configArray = array(                
+    'Sandbox' => $sandbox,
+    'ClientID' => $rest_client_id,
+    'ClientSecret' => $rest_client_secret,
+    'LogResults' => $log_results, 
+    'LogPath' => $log_path,
+    'LogLevel' => $log_level
+);
 
 $PayPal = new \angelleye\PayPal\rest\identity\IdentityAPI($configArray);
 
diff --git a/samples/rest/identity/GetUserInfo.php b/samples/rest/identity/GetUserInfo.php
index 909b8cc2..4ef0a339 100644
--- a/samples/rest/identity/GetUserInfo.php
+++ b/samples/rest/identity/GetUserInfo.php
@@ -3,13 +3,14 @@
 require_once('../../../autoload.php');
 require_once('../../../includes/config.php');
 
-$configArray = array(
-                'ClientID' => $rest_client_id,
-                'ClientSecret' => $rest_client_secret,
-                'LogResults' => $log_results, 
-                'LogPath' => $log_path,
-                'LogLevel' => $log_level
-                );
+$configArray = array(                
+    'Sandbox' => $sandbox,
+    'ClientID' => $rest_client_id,
+    'ClientSecret' => $rest_client_secret,
+    'LogResults' => $log_results, 
+    'LogPath' => $log_path,
+    'LogLevel' => $log_level
+);
 
 $PayPal = new \angelleye\PayPal\rest\identity\IdentityAPI($configArray);
 // To obtain User Info, you have to follow three steps in general.
diff --git a/samples/rest/identity/UserConsentRedirect.php b/samples/rest/identity/UserConsentRedirect.php
index a889327e..4fd1b666 100644
--- a/samples/rest/identity/UserConsentRedirect.php
+++ b/samples/rest/identity/UserConsentRedirect.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/invoice-templates/CreateInvoiceTemplate.php b/samples/rest/invoice-templates/CreateInvoiceTemplate.php
index 04ddfe25..ec50e1df 100755
--- a/samples/rest/invoice-templates/CreateInvoiceTemplate.php
+++ b/samples/rest/invoice-templates/CreateInvoiceTemplate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice-templates/DeleteInvoiceTemplate.php b/samples/rest/invoice-templates/DeleteInvoiceTemplate.php
index 02d168f8..cd61738c 100755
--- a/samples/rest/invoice-templates/DeleteInvoiceTemplate.php
+++ b/samples/rest/invoice-templates/DeleteInvoiceTemplate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice-templates/GetAllInvoiceTemplates.php b/samples/rest/invoice-templates/GetAllInvoiceTemplates.php
index 32d375c9..a8f86f17 100755
--- a/samples/rest/invoice-templates/GetAllInvoiceTemplates.php
+++ b/samples/rest/invoice-templates/GetAllInvoiceTemplates.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice-templates/GetInvoiceTemplate.php b/samples/rest/invoice-templates/GetInvoiceTemplate.php
index 1c0c4e81..035f0e18 100755
--- a/samples/rest/invoice-templates/GetInvoiceTemplate.php
+++ b/samples/rest/invoice-templates/GetInvoiceTemplate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice-templates/UpdateInvoiceTemplate.php b/samples/rest/invoice-templates/UpdateInvoiceTemplate.php
index 2f39967f..47ee4ce6 100755
--- a/samples/rest/invoice-templates/UpdateInvoiceTemplate.php
+++ b/samples/rest/invoice-templates/UpdateInvoiceTemplate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/CancelInvoice.php b/samples/rest/invoice/CancelInvoice.php
index d4bd3cd0..47ad5466 100755
--- a/samples/rest/invoice/CancelInvoice.php
+++ b/samples/rest/invoice/CancelInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/CreateInvoice.php b/samples/rest/invoice/CreateInvoice.php
index 15b38648..73ae22e0 100755
--- a/samples/rest/invoice/CreateInvoice.php
+++ b/samples/rest/invoice/CreateInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/CreateThirdPartyInvoice.php b/samples/rest/invoice/CreateThirdPartyInvoice.php
index 1ee06e03..1eb66072 100644
--- a/samples/rest/invoice/CreateThirdPartyInvoice.php
+++ b/samples/rest/invoice/CreateThirdPartyInvoice.php
@@ -10,13 +10,14 @@
 require_once('../../../autoload.php');
 require_once('../../../includes/config.php');
 
-$configArray = array(
-                'ClientID' => $rest_client_id,
-                'ClientSecret' => $rest_client_secret,
-                'LogResults' => $log_results, 
-                'LogPath' => $log_path,
-                'LogLevel' => $log_level  
-                );
+$configArray = array(                
+    'Sandbox' => $sandbox,
+    'ClientID' => $rest_client_id,
+    'ClientSecret' => $rest_client_secret,
+    'LogResults' => $log_results, 
+    'LogPath' => $log_path,
+    'LogLevel' => $log_level  
+);
 
 $PayPal = new \angelleye\PayPal\rest\invoice\InvoiceAPI($configArray);
 
diff --git a/samples/rest/invoice/DeleteInvoice.php b/samples/rest/invoice/DeleteInvoice.php
index 6f2544a1..f0f3b1dc 100755
--- a/samples/rest/invoice/DeleteInvoice.php
+++ b/samples/rest/invoice/DeleteInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/GetInvoice.php b/samples/rest/invoice/GetInvoice.php
index f43830af..d13f72e7 100755
--- a/samples/rest/invoice/GetInvoice.php
+++ b/samples/rest/invoice/GetInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/GetNextInvoiceNumber.php b/samples/rest/invoice/GetNextInvoiceNumber.php
index 6492e5e9..cd4007ef 100755
--- a/samples/rest/invoice/GetNextInvoiceNumber.php
+++ b/samples/rest/invoice/GetNextInvoiceNumber.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/GetThirdPartyInvoice.php b/samples/rest/invoice/GetThirdPartyInvoice.php
index 33dde5c9..c0c65256 100644
--- a/samples/rest/invoice/GetThirdPartyInvoice.php
+++ b/samples/rest/invoice/GetThirdPartyInvoice.php
@@ -13,6 +13,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/ListInvoice.php b/samples/rest/invoice/ListInvoice.php
index 421b9164..05c0d011 100755
--- a/samples/rest/invoice/ListInvoice.php
+++ b/samples/rest/invoice/ListInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/RecordPayment.php b/samples/rest/invoice/RecordPayment.php
index 422d8600..23312643 100755
--- a/samples/rest/invoice/RecordPayment.php
+++ b/samples/rest/invoice/RecordPayment.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/RecordRefund.php b/samples/rest/invoice/RecordRefund.php
index 85c0b071..e41d4410 100755
--- a/samples/rest/invoice/RecordRefund.php
+++ b/samples/rest/invoice/RecordRefund.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/RemindInvoice.php b/samples/rest/invoice/RemindInvoice.php
index a49a92fe..15bcc85a 100755
--- a/samples/rest/invoice/RemindInvoice.php
+++ b/samples/rest/invoice/RemindInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/RetrieveQRCode.php b/samples/rest/invoice/RetrieveQRCode.php
index 969df5e4..7cb7760f 100755
--- a/samples/rest/invoice/RetrieveQRCode.php
+++ b/samples/rest/invoice/RetrieveQRCode.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/SearchInvoices.php b/samples/rest/invoice/SearchInvoices.php
index 581bd771..db087ec3 100755
--- a/samples/rest/invoice/SearchInvoices.php
+++ b/samples/rest/invoice/SearchInvoices.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/SendInvoice.php b/samples/rest/invoice/SendInvoice.php
index ee4a7996..615692a3 100755
--- a/samples/rest/invoice/SendInvoice.php
+++ b/samples/rest/invoice/SendInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/invoice/UpdateInvoice.php b/samples/rest/invoice/UpdateInvoice.php
index 9e89bf2d..a882dcb7 100755
--- a/samples/rest/invoice/UpdateInvoice.php
+++ b/samples/rest/invoice/UpdateInvoice.php
@@ -3,13 +3,14 @@
 require_once('../../../autoload.php');
 require_once('../../../includes/config.php');
 
-$configArray = array(
-                'ClientID' => $rest_client_id,
-                'ClientSecret' => $rest_client_secret,
-                'LogResults' => $log_results, 
-                'LogPath' => $log_path,
-                'LogLevel' => $log_level  
-                );
+$configArray = array(                
+    'Sandbox' => $sandbox,
+    'ClientID' => $rest_client_id,
+    'ClientSecret' => $rest_client_secret,
+    'LogResults' => $log_results, 
+    'LogPath' => $log_path,
+    'LogLevel' => $log_level  
+);
 
 $PayPal = new \angelleye\PayPal\rest\invoice\InvoiceAPI($configArray);
 
diff --git a/samples/rest/notifications/CreateWebhook.php b/samples/rest/notifications/CreateWebhook.php
index 71c3b29f..80116ba3 100644
--- a/samples/rest/notifications/CreateWebhook.php
+++ b/samples/rest/notifications/CreateWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/DeleteWebhook.php b/samples/rest/notifications/DeleteWebhook.php
index 5995704b..22d3cfb6 100644
--- a/samples/rest/notifications/DeleteWebhook.php
+++ b/samples/rest/notifications/DeleteWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/EventNotificationDetails.php b/samples/rest/notifications/EventNotificationDetails.php
index 37b7d553..26eb7d29 100644
--- a/samples/rest/notifications/EventNotificationDetails.php
+++ b/samples/rest/notifications/EventNotificationDetails.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/GetWebhook.php b/samples/rest/notifications/GetWebhook.php
index 4114290f..9a70166d 100644
--- a/samples/rest/notifications/GetWebhook.php
+++ b/samples/rest/notifications/GetWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/ListEventSubscriptionsForWebhook.php b/samples/rest/notifications/ListEventSubscriptionsForWebhook.php
index e4988025..1efd9751 100644
--- a/samples/rest/notifications/ListEventSubscriptionsForWebhook.php
+++ b/samples/rest/notifications/ListEventSubscriptionsForWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/ListWebhooks.php b/samples/rest/notifications/ListWebhooks.php
index 3fb25991..da169a9c 100644
--- a/samples/rest/notifications/ListWebhooks.php
+++ b/samples/rest/notifications/ListWebhooks.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/ResendEventNotification.php b/samples/rest/notifications/ResendEventNotification.php
index 953011b5..9a5ac544 100644
--- a/samples/rest/notifications/ResendEventNotification.php
+++ b/samples/rest/notifications/ResendEventNotification.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/SearchWebhookEvents.php b/samples/rest/notifications/SearchWebhookEvents.php
index d0398a6d..f7bb2afc 100644
--- a/samples/rest/notifications/SearchWebhookEvents.php
+++ b/samples/rest/notifications/SearchWebhookEvents.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/SimulateEvent.php b/samples/rest/notifications/SimulateEvent.php
index e2c77b48..90ad6b77 100644
--- a/samples/rest/notifications/SimulateEvent.php
+++ b/samples/rest/notifications/SimulateEvent.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/UpdateWebhook.php b/samples/rest/notifications/UpdateWebhook.php
index 93d6adbb..2a2ecc55 100644
--- a/samples/rest/notifications/UpdateWebhook.php
+++ b/samples/rest/notifications/UpdateWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/VerifyWebhookSignature.php b/samples/rest/notifications/VerifyWebhookSignature.php
index 2a2cdbc5..17d007b7 100644
--- a/samples/rest/notifications/VerifyWebhookSignature.php
+++ b/samples/rest/notifications/VerifyWebhookSignature.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/notifications/WebhooksEventTypes.php b/samples/rest/notifications/WebhooksEventTypes.php
index c5d45762..b299700d 100644
--- a/samples/rest/notifications/WebhooksEventTypes.php
+++ b/samples/rest/notifications/WebhooksEventTypes.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payment/AuthorizationCapture.php b/samples/rest/payment/AuthorizationCapture.php
index 9d6031d7..635d2c14 100755
--- a/samples/rest/payment/AuthorizationCapture.php
+++ b/samples/rest/payment/AuthorizationCapture.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/AuthorizePaymentUsingPayPal.php b/samples/rest/payment/AuthorizePaymentUsingPayPal.php
index b1eae142..0cd84907 100644
--- a/samples/rest/payment/AuthorizePaymentUsingPayPal.php
+++ b/samples/rest/payment/AuthorizePaymentUsingPayPal.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payment/CreateFuturePayment.php b/samples/rest/payment/CreateFuturePayment.php
index 76a97c48..453d1c89 100644
--- a/samples/rest/payment/CreateFuturePayment.php
+++ b/samples/rest/payment/CreateFuturePayment.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payment/CreatePayment.php b/samples/rest/payment/CreatePayment.php
index 6e81445b..bc8935b7 100755
--- a/samples/rest/payment/CreatePayment.php
+++ b/samples/rest/payment/CreatePayment.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/CreatePaymentUsingPayPal.php b/samples/rest/payment/CreatePaymentUsingPayPal.php
index 3f29a19f..516f4b17 100755
--- a/samples/rest/payment/CreatePaymentUsingPayPal.php
+++ b/samples/rest/payment/CreatePaymentUsingPayPal.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/CreatePaymentUsingSavedCardVault.php b/samples/rest/payment/CreatePaymentUsingSavedCardVault.php
index a642e4bb..30d6913d 100755
--- a/samples/rest/payment/CreatePaymentUsingSavedCardVault.php
+++ b/samples/rest/payment/CreatePaymentUsingSavedCardVault.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/CreateThirdPartyPayment.php b/samples/rest/payment/CreateThirdPartyPayment.php
index 223a9075..9e4c9f64 100644
--- a/samples/rest/payment/CreateThirdPartyPayment.php
+++ b/samples/rest/payment/CreateThirdPartyPayment.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/ExecutePayment.php b/samples/rest/payment/ExecutePayment.php
index 0ed75d4a..ae54b0cd 100755
--- a/samples/rest/payment/ExecutePayment.php
+++ b/samples/rest/payment/ExecutePayment.php
@@ -15,6 +15,7 @@
 // API used: POST '/v1/payments/payment/<payment-id>/execute'.
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payment/GetAuthorization.php b/samples/rest/payment/GetAuthorization.php
index 237f381e..901c814e 100755
--- a/samples/rest/payment/GetAuthorization.php
+++ b/samples/rest/payment/GetAuthorization.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/GetCapture.php b/samples/rest/payment/GetCapture.php
index d397c1f9..ac8faac3 100755
--- a/samples/rest/payment/GetCapture.php
+++ b/samples/rest/payment/GetCapture.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/ListPayments.php b/samples/rest/payment/ListPayments.php
index 5bada0e6..b3d40144 100755
--- a/samples/rest/payment/ListPayments.php
+++ b/samples/rest/payment/ListPayments.php
@@ -12,6 +12,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,    
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/OrderAuthorize.php b/samples/rest/payment/OrderAuthorize.php
index 97dba7a4..1c847cb5 100755
--- a/samples/rest/payment/OrderAuthorize.php
+++ b/samples/rest/payment/OrderAuthorize.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/OrderCapture.php b/samples/rest/payment/OrderCapture.php
index 0d8f148d..85d83339 100755
--- a/samples/rest/payment/OrderCapture.php
+++ b/samples/rest/payment/OrderCapture.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/OrderCreateForAuthorization.php b/samples/rest/payment/OrderCreateForAuthorization.php
index 0d51e7ff..630af421 100644
--- a/samples/rest/payment/OrderCreateForAuthorization.php
+++ b/samples/rest/payment/OrderCreateForAuthorization.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payment/OrderCreateForCapture.php b/samples/rest/payment/OrderCreateForCapture.php
index 710b2511..9e822db3 100644
--- a/samples/rest/payment/OrderCreateForCapture.php
+++ b/samples/rest/payment/OrderCreateForCapture.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payment/OrderCreateForVoid.php b/samples/rest/payment/OrderCreateForVoid.php
index d113ecad..1f175b65 100644
--- a/samples/rest/payment/OrderCreateForVoid.php
+++ b/samples/rest/payment/OrderCreateForVoid.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payment/OrderDoVoid.php b/samples/rest/payment/OrderDoVoid.php
index 841f2025..290b6dff 100755
--- a/samples/rest/payment/OrderDoVoid.php
+++ b/samples/rest/payment/OrderDoVoid.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/OrderGet.php b/samples/rest/payment/OrderGet.php
index decf321e..a3c8ccc2 100755
--- a/samples/rest/payment/OrderGet.php
+++ b/samples/rest/payment/OrderGet.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payment/Reauthorization.php b/samples/rest/payment/Reauthorization.php
index 9d93a8d8..f3155e59 100644
--- a/samples/rest/payment/Reauthorization.php
+++ b/samples/rest/payment/Reauthorization.php
@@ -15,6 +15,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/RefundCapture.php b/samples/rest/payment/RefundCapture.php
index ffb7761e..67f806e3 100755
--- a/samples/rest/payment/RefundCapture.php
+++ b/samples/rest/payment/RefundCapture.php
@@ -6,6 +6,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/ShowPaymentDetails.php b/samples/rest/payment/ShowPaymentDetails.php
index 164835e0..8d4980fc 100755
--- a/samples/rest/payment/ShowPaymentDetails.php
+++ b/samples/rest/payment/ShowPaymentDetails.php
@@ -6,6 +6,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/ShowRefundDetails.php b/samples/rest/payment/ShowRefundDetails.php
index 2e2c0d55..6e54a0ef 100644
--- a/samples/rest/payment/ShowRefundDetails.php
+++ b/samples/rest/payment/ShowRefundDetails.php
@@ -6,6 +6,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/UpdatePayment.php b/samples/rest/payment/UpdatePayment.php
index 93ff519d..76432978 100644
--- a/samples/rest/payment/UpdatePayment.php
+++ b/samples/rest/payment/UpdatePayment.php
@@ -11,6 +11,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payment/VoidAuthorization.php b/samples/rest/payment/VoidAuthorization.php
index b54008f3..ea32e286 100755
--- a/samples/rest/payment/VoidAuthorization.php
+++ b/samples/rest/payment/VoidAuthorization.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/paymentexperience/CreateWebProfile.php b/samples/rest/paymentexperience/CreateWebProfile.php
index 80f01d89..fc7f0244 100755
--- a/samples/rest/paymentexperience/CreateWebProfile.php
+++ b/samples/rest/paymentexperience/CreateWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/paymentexperience/DeleteWebProfile.php b/samples/rest/paymentexperience/DeleteWebProfile.php
index cf6561a3..efbdd3ea 100755
--- a/samples/rest/paymentexperience/DeleteWebProfile.php
+++ b/samples/rest/paymentexperience/DeleteWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/paymentexperience/GetWebProfile.php b/samples/rest/paymentexperience/GetWebProfile.php
index 639d551d..43198c6c 100755
--- a/samples/rest/paymentexperience/GetWebProfile.php
+++ b/samples/rest/paymentexperience/GetWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/paymentexperience/ListWebProfiles.php b/samples/rest/paymentexperience/ListWebProfiles.php
index ecc2fdd6..6c0630f4 100755
--- a/samples/rest/paymentexperience/ListWebProfiles.php
+++ b/samples/rest/paymentexperience/ListWebProfiles.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/paymentexperience/PartiallyUpdateWebProfile.php b/samples/rest/paymentexperience/PartiallyUpdateWebProfile.php
index 82e22ec5..4c818829 100755
--- a/samples/rest/paymentexperience/PartiallyUpdateWebProfile.php
+++ b/samples/rest/paymentexperience/PartiallyUpdateWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/paymentexperience/UpdateWebProfile.php b/samples/rest/paymentexperience/UpdateWebProfile.php
index ecbde5d9..eae05212 100755
--- a/samples/rest/paymentexperience/UpdateWebProfile.php
+++ b/samples/rest/paymentexperience/UpdateWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payouts/CancelPayoutItem.php b/samples/rest/payouts/CancelPayoutItem.php
index bdec26f2..4dbe353f 100755
--- a/samples/rest/payouts/CancelPayoutItem.php
+++ b/samples/rest/payouts/CancelPayoutItem.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payouts/CreateBatchPayout.php b/samples/rest/payouts/CreateBatchPayout.php
index 63ca1118..7b50ff52 100755
--- a/samples/rest/payouts/CreateBatchPayout.php
+++ b/samples/rest/payouts/CreateBatchPayout.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payouts/CreateSinglePayout.php b/samples/rest/payouts/CreateSinglePayout.php
index e2a976fd..ff804af7 100755
--- a/samples/rest/payouts/CreateSinglePayout.php
+++ b/samples/rest/payouts/CreateSinglePayout.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/payouts/GetPayoutBatchStatus.php b/samples/rest/payouts/GetPayoutBatchStatus.php
index 2390167a..5ec2b04d 100755
--- a/samples/rest/payouts/GetPayoutBatchStatus.php
+++ b/samples/rest/payouts/GetPayoutBatchStatus.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/payouts/GetPayoutItemStatus.php b/samples/rest/payouts/GetPayoutItemStatus.php
index 912b9f65..d0676861 100755
--- a/samples/rest/payouts/GetPayoutItemStatus.php
+++ b/samples/rest/payouts/GetPayoutItemStatus.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/paypal_sync/PaypalSyncTransactions.php b/samples/rest/paypal_sync/PaypalSyncTransactions.php
index 3b1d0826..0e3ecefc 100644
--- a/samples/rest/paypal_sync/PaypalSyncTransactions.php
+++ b/samples/rest/paypal_sync/PaypalSyncTransactions.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/referenced_payouts/CreateReferencedBatchPayout.php b/samples/rest/referenced_payouts/CreateReferencedBatchPayout.php
index 958fb5b0..5b5192d7 100644
--- a/samples/rest/referenced_payouts/CreateReferencedBatchPayout.php
+++ b/samples/rest/referenced_payouts/CreateReferencedBatchPayout.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/sale/GetSale.php b/samples/rest/sale/GetSale.php
index d8da30ba..564720d4 100644
--- a/samples/rest/sale/GetSale.php
+++ b/samples/rest/sale/GetSale.php
@@ -10,6 +10,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/sale/RefundSale.php b/samples/rest/sale/RefundSale.php
index c71e2ae0..941ffa18 100644
--- a/samples/rest/sale/RefundSale.php
+++ b/samples/rest/sale/RefundSale.php
@@ -10,6 +10,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/samples/rest/vault/DeleteCreditCard.php b/samples/rest/vault/DeleteCreditCard.php
index 2a8e8fa3..74abe113 100755
--- a/samples/rest/vault/DeleteCreditCard.php
+++ b/samples/rest/vault/DeleteCreditCard.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/vault/GetCardDetails.php b/samples/rest/vault/GetCardDetails.php
index d2722a93..6fa44933 100644
--- a/samples/rest/vault/GetCardDetails.php
+++ b/samples/rest/vault/GetCardDetails.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/vault/ListCreditCards.php b/samples/rest/vault/ListCreditCards.php
index 65253954..9612f16f 100755
--- a/samples/rest/vault/ListCreditCards.php
+++ b/samples/rest/vault/ListCreditCards.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/vault/StoreCreditCard.php b/samples/rest/vault/StoreCreditCard.php
index 6814f941..89d04982 100644
--- a/samples/rest/vault/StoreCreditCard.php
+++ b/samples/rest/vault/StoreCreditCard.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/samples/rest/vault/UpdateCreditCard.php b/samples/rest/vault/UpdateCreditCard.php
index d4723bc0..11730066 100755
--- a/samples/rest/vault/UpdateCreditCard.php
+++ b/samples/rest/vault/UpdateCreditCard.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/src/angelleye/PayPal/RestClass.php b/src/angelleye/PayPal/RestClass.php
index 1b53f936..dfba6f13 100644
--- a/src/angelleye/PayPal/RestClass.php
+++ b/src/angelleye/PayPal/RestClass.php
@@ -72,8 +72,16 @@ public function __construct($configArray){
             }
         }
 
+        $mode ='live';
+        if(isset($configArray['Sandbox'])){
+            if(($configArray['Sandbox'] == true || $configArray['Sandbox'] == 'true')){
+                $mode ='sandbox';
+            }
+        } 
+
         $this->_api_context->setConfig(
                 array(
+                  'mode' => $mode,
                   'log.LogEnabled' => isset($configArray['LogResults']) ? $configArray['LogResults'] : false,
                   'log.FileName' => $path,
                   'log.LogLevel' => isset($configArray['LogLevel']) ? $configArray['LogPath'] : 'INFO'
diff --git a/templates/rest/billing_agreements/BillAgreementBalance.php b/templates/rest/billing_agreements/BillAgreementBalance.php
index ff489bbd..b6d6b1c4 100644
--- a/templates/rest/billing_agreements/BillAgreementBalance.php
+++ b/templates/rest/billing_agreements/BillAgreementBalance.php
@@ -5,6 +5,7 @@
 
 // Create PayPal object.
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_agreements/CancelBillingAgreement.php b/templates/rest/billing_agreements/CancelBillingAgreement.php
index 5bd071a3..57d3eee3 100644
--- a/templates/rest/billing_agreements/CancelBillingAgreement.php
+++ b/templates/rest/billing_agreements/CancelBillingAgreement.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_agreements/CreateBillingAgreementWithCreditCard.php b/templates/rest/billing_agreements/CreateBillingAgreementWithCreditCard.php
index d33aa378..6540c390 100644
--- a/templates/rest/billing_agreements/CreateBillingAgreementWithCreditCard.php
+++ b/templates/rest/billing_agreements/CreateBillingAgreementWithCreditCard.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_agreements/CreateBillingAgreementWithPayPal.php b/templates/rest/billing_agreements/CreateBillingAgreementWithPayPal.php
index ce04217c..b50ec9b1 100644
--- a/templates/rest/billing_agreements/CreateBillingAgreementWithPayPal.php
+++ b/templates/rest/billing_agreements/CreateBillingAgreementWithPayPal.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_agreements/ExecuteAgreement.php b/templates/rest/billing_agreements/ExecuteAgreement.php
index 4ab4be30..00a52836 100644
--- a/templates/rest/billing_agreements/ExecuteAgreement.php
+++ b/templates/rest/billing_agreements/ExecuteAgreement.php
@@ -6,6 +6,7 @@
 
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/billing_agreements/GetBillingAgreement.php b/templates/rest/billing_agreements/GetBillingAgreement.php
index 06856133..2ffc2fff 100644
--- a/templates/rest/billing_agreements/GetBillingAgreement.php
+++ b/templates/rest/billing_agreements/GetBillingAgreement.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_agreements/ReactivateBillingAgreement.php b/templates/rest/billing_agreements/ReactivateBillingAgreement.php
index 93b77c47..587f0dc2 100644
--- a/templates/rest/billing_agreements/ReactivateBillingAgreement.php
+++ b/templates/rest/billing_agreements/ReactivateBillingAgreement.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_agreements/SearchBillingTransactions.php b/templates/rest/billing_agreements/SearchBillingTransactions.php
index c6f50db3..e2863ecf 100644
--- a/templates/rest/billing_agreements/SearchBillingTransactions.php
+++ b/templates/rest/billing_agreements/SearchBillingTransactions.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_agreements/SetAgreementBalance.php b/templates/rest/billing_agreements/SetAgreementBalance.php
index 22a149d5..2d2d628a 100644
--- a/templates/rest/billing_agreements/SetAgreementBalance.php
+++ b/templates/rest/billing_agreements/SetAgreementBalance.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_agreements/SuspendBillingAgreement.php b/templates/rest/billing_agreements/SuspendBillingAgreement.php
index 1cb4ec60..c4d98690 100644
--- a/templates/rest/billing_agreements/SuspendBillingAgreement.php
+++ b/templates/rest/billing_agreements/SuspendBillingAgreement.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_agreements/UpdateBillingAgreement.php b/templates/rest/billing_agreements/UpdateBillingAgreement.php
index 8d35c867..cfca727d 100644
--- a/templates/rest/billing_agreements/UpdateBillingAgreement.php
+++ b/templates/rest/billing_agreements/UpdateBillingAgreement.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_plans/CreatePlan.php b/templates/rest/billing_plans/CreatePlan.php
index 8990695e..892f745c 100644
--- a/templates/rest/billing_plans/CreatePlan.php
+++ b/templates/rest/billing_plans/CreatePlan.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/billing_plans/DeletePlan.php b/templates/rest/billing_plans/DeletePlan.php
index ceb96e7d..0ccbc0d4 100644
--- a/templates/rest/billing_plans/DeletePlan.php
+++ b/templates/rest/billing_plans/DeletePlan.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_plans/GetPlan.php b/templates/rest/billing_plans/GetPlan.php
index a405661b..70d6c238 100644
--- a/templates/rest/billing_plans/GetPlan.php
+++ b/templates/rest/billing_plans/GetPlan.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_plans/ListPlans.php b/templates/rest/billing_plans/ListPlans.php
index 173cde15..ba6eb45b 100644
--- a/templates/rest/billing_plans/ListPlans.php
+++ b/templates/rest/billing_plans/ListPlans.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/billing_plans/UpdatePlan.php b/templates/rest/billing_plans/UpdatePlan.php
index 72cd9759..9e7b2717 100644
--- a/templates/rest/billing_plans/UpdatePlan.php
+++ b/templates/rest/billing_plans/UpdatePlan.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/checkout_orders/AuthorizeOrder.php b/templates/rest/checkout_orders/AuthorizeOrder.php
index 82275262..21ac6d32 100644
--- a/templates/rest/checkout_orders/AuthorizeOrder.php
+++ b/templates/rest/checkout_orders/AuthorizeOrder.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/CaptureAuthorizedPayment.php b/templates/rest/checkout_orders/CaptureAuthorizedPayment.php
index 65e0aa02..14514a0c 100644
--- a/templates/rest/checkout_orders/CaptureAuthorizedPayment.php
+++ b/templates/rest/checkout_orders/CaptureAuthorizedPayment.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/CaptureOrder.php b/templates/rest/checkout_orders/CaptureOrder.php
index b8d894f3..9f230294 100644
--- a/templates/rest/checkout_orders/CaptureOrder.php
+++ b/templates/rest/checkout_orders/CaptureOrder.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/CreateAuthorizeOrder.php b/templates/rest/checkout_orders/CreateAuthorizeOrder.php
index d19405b5..b110fd40 100644
--- a/templates/rest/checkout_orders/CreateAuthorizeOrder.php
+++ b/templates/rest/checkout_orders/CreateAuthorizeOrder.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/CreateCaptureOrder.php b/templates/rest/checkout_orders/CreateCaptureOrder.php
index d19405b5..b110fd40 100644
--- a/templates/rest/checkout_orders/CreateCaptureOrder.php
+++ b/templates/rest/checkout_orders/CreateCaptureOrder.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/GetAuthorizePaymentDetails.php b/templates/rest/checkout_orders/GetAuthorizePaymentDetails.php
index 20944b15..fe439852 100644
--- a/templates/rest/checkout_orders/GetAuthorizePaymentDetails.php
+++ b/templates/rest/checkout_orders/GetAuthorizePaymentDetails.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/GetCapturedPaymentDetails.php b/templates/rest/checkout_orders/GetCapturedPaymentDetails.php
index 5cd12b50..3e4d48e7 100644
--- a/templates/rest/checkout_orders/GetCapturedPaymentDetails.php
+++ b/templates/rest/checkout_orders/GetCapturedPaymentDetails.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/GetOrderDetails.php b/templates/rest/checkout_orders/GetOrderDetails.php
index 4bc29235..86473513 100644
--- a/templates/rest/checkout_orders/GetOrderDetails.php
+++ b/templates/rest/checkout_orders/GetOrderDetails.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/Reauthorize.php b/templates/rest/checkout_orders/Reauthorize.php
index e872fcee..2a0b7d5f 100644
--- a/templates/rest/checkout_orders/Reauthorize.php
+++ b/templates/rest/checkout_orders/Reauthorize.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/RefundCapturedPayment.php b/templates/rest/checkout_orders/RefundCapturedPayment.php
index a6de0b12..88a658c6 100644
--- a/templates/rest/checkout_orders/RefundCapturedPayment.php
+++ b/templates/rest/checkout_orders/RefundCapturedPayment.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/ShowRefundDetails.php b/templates/rest/checkout_orders/ShowRefundDetails.php
index e4b57666..303fbb28 100644
--- a/templates/rest/checkout_orders/ShowRefundDetails.php
+++ b/templates/rest/checkout_orders/ShowRefundDetails.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/checkout_orders/VoidAuthorizedPayment.php b/templates/rest/checkout_orders/VoidAuthorizedPayment.php
index 11d0f05c..511250af 100644
--- a/templates/rest/checkout_orders/VoidAuthorizedPayment.php
+++ b/templates/rest/checkout_orders/VoidAuthorizedPayment.php
@@ -7,6 +7,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/customer-disputes/AcceptClaim.php b/templates/rest/customer-disputes/AcceptClaim.php
index fa1876d3..983efc75 100644
--- a/templates/rest/customer-disputes/AcceptClaim.php
+++ b/templates/rest/customer-disputes/AcceptClaim.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/customer-disputes/DisputesAppeal.php b/templates/rest/customer-disputes/DisputesAppeal.php
index 2161fe6a..5a25aa02 100644
--- a/templates/rest/customer-disputes/DisputesAppeal.php
+++ b/templates/rest/customer-disputes/DisputesAppeal.php
@@ -11,6 +11,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/customer-disputes/DisputesEscalate.php b/templates/rest/customer-disputes/DisputesEscalate.php
index 01b6084c..7e104415 100644
--- a/templates/rest/customer-disputes/DisputesEscalate.php
+++ b/templates/rest/customer-disputes/DisputesEscalate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/customer-disputes/DisputesMakeOffer.php b/templates/rest/customer-disputes/DisputesMakeOffer.php
index 5baede6b..52eed2f3 100644
--- a/templates/rest/customer-disputes/DisputesMakeOffer.php
+++ b/templates/rest/customer-disputes/DisputesMakeOffer.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/customer-disputes/ListDisputes.php b/templates/rest/customer-disputes/ListDisputes.php
index 64a53feb..9fb956a8 100644
--- a/templates/rest/customer-disputes/ListDisputes.php
+++ b/templates/rest/customer-disputes/ListDisputes.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/customer-disputes/ProvideEvidence.php b/templates/rest/customer-disputes/ProvideEvidence.php
index a883a44d..11d0603e 100644
--- a/templates/rest/customer-disputes/ProvideEvidence.php
+++ b/templates/rest/customer-disputes/ProvideEvidence.php
@@ -16,6 +16,7 @@
  */
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/customer-disputes/SendMessageToOtherParty.php b/templates/rest/customer-disputes/SendMessageToOtherParty.php
index 8fbf4bd1..aa496d85 100644
--- a/templates/rest/customer-disputes/SendMessageToOtherParty.php
+++ b/templates/rest/customer-disputes/SendMessageToOtherParty.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/customer-disputes/SettleDispute.php b/templates/rest/customer-disputes/SettleDispute.php
index 33a9ac66..f829a7b1 100644
--- a/templates/rest/customer-disputes/SettleDispute.php
+++ b/templates/rest/customer-disputes/SettleDispute.php
@@ -8,6 +8,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/customer-disputes/ShowDisputeDetails.php b/templates/rest/customer-disputes/ShowDisputeDetails.php
index 3a1456c1..6e432152 100644
--- a/templates/rest/customer-disputes/ShowDisputeDetails.php
+++ b/templates/rest/customer-disputes/ShowDisputeDetails.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/customer-disputes/UpdateDisputeStatus.php b/templates/rest/customer-disputes/UpdateDisputeStatus.php
index 02b254e2..1f03d2d8 100644
--- a/templates/rest/customer-disputes/UpdateDisputeStatus.php
+++ b/templates/rest/customer-disputes/UpdateDisputeStatus.php
@@ -16,6 +16,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/identity/GetUserConsentURL.php b/templates/rest/identity/GetUserConsentURL.php
index bf57533b..63eb70d5 100644
--- a/templates/rest/identity/GetUserConsentURL.php
+++ b/templates/rest/identity/GetUserConsentURL.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/identity/GetUserInfo.php b/templates/rest/identity/GetUserInfo.php
index 497a35fb..63c6d793 100644
--- a/templates/rest/identity/GetUserInfo.php
+++ b/templates/rest/identity/GetUserInfo.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/identity/UserConsentRedirect.php b/templates/rest/identity/UserConsentRedirect.php
index a889327e..4fd1b666 100644
--- a/templates/rest/identity/UserConsentRedirect.php
+++ b/templates/rest/identity/UserConsentRedirect.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/invoice-templates/CreateInvoiceTemplate.php b/templates/rest/invoice-templates/CreateInvoiceTemplate.php
index 0ae05929..15624dc8 100755
--- a/templates/rest/invoice-templates/CreateInvoiceTemplate.php
+++ b/templates/rest/invoice-templates/CreateInvoiceTemplate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice-templates/DeleteInvoiceTemplate.php b/templates/rest/invoice-templates/DeleteInvoiceTemplate.php
index aaaf3f0d..8f65ab79 100755
--- a/templates/rest/invoice-templates/DeleteInvoiceTemplate.php
+++ b/templates/rest/invoice-templates/DeleteInvoiceTemplate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice-templates/GetAllInvoiceTemplates.php b/templates/rest/invoice-templates/GetAllInvoiceTemplates.php
index 32ede487..5ed83b6e 100755
--- a/templates/rest/invoice-templates/GetAllInvoiceTemplates.php
+++ b/templates/rest/invoice-templates/GetAllInvoiceTemplates.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice-templates/GetInvoiceTemplate.php b/templates/rest/invoice-templates/GetInvoiceTemplate.php
index 6d701315..1ee790c2 100755
--- a/templates/rest/invoice-templates/GetInvoiceTemplate.php
+++ b/templates/rest/invoice-templates/GetInvoiceTemplate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice-templates/UpdateInvoiceTemplate.php b/templates/rest/invoice-templates/UpdateInvoiceTemplate.php
index 3103436e..0d463590 100755
--- a/templates/rest/invoice-templates/UpdateInvoiceTemplate.php
+++ b/templates/rest/invoice-templates/UpdateInvoiceTemplate.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/CancelInvoice.php b/templates/rest/invoice/CancelInvoice.php
index 68fe3544..6dfeb69d 100755
--- a/templates/rest/invoice/CancelInvoice.php
+++ b/templates/rest/invoice/CancelInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/CreateInvoice.php b/templates/rest/invoice/CreateInvoice.php
index a3b69d9e..a68a012e 100755
--- a/templates/rest/invoice/CreateInvoice.php
+++ b/templates/rest/invoice/CreateInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/CreateThirdPartyInvoice.php b/templates/rest/invoice/CreateThirdPartyInvoice.php
index 95a55c1f..b5f92185 100644
--- a/templates/rest/invoice/CreateThirdPartyInvoice.php
+++ b/templates/rest/invoice/CreateThirdPartyInvoice.php
@@ -10,13 +10,14 @@
 require_once('../../../autoload.php');
 require_once('../../../includes/config.php');
 
-$configArray = array(
-                'ClientID' => $rest_client_id,
-                'ClientSecret' => $rest_client_secret,
-                'LogResults' => $log_results, 
-                'LogPath' => $log_path,
-                'LogLevel' => $log_level  
-                );
+$configArray = array(                
+    'Sandbox' => $sandbox,
+    'ClientID' => $rest_client_id,
+    'ClientSecret' => $rest_client_secret,
+    'LogResults' => $log_results, 
+    'LogPath' => $log_path,
+    'LogLevel' => $log_level  
+);
 
 $PayPal = new \angelleye\PayPal\rest\invoice\InvoiceAPI($configArray);
 
diff --git a/templates/rest/invoice/DeleteInvoice.php b/templates/rest/invoice/DeleteInvoice.php
index 76cae209..c5ffc45e 100755
--- a/templates/rest/invoice/DeleteInvoice.php
+++ b/templates/rest/invoice/DeleteInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/GetInvoice.php b/templates/rest/invoice/GetInvoice.php
index 11dd732f..e7e49234 100755
--- a/templates/rest/invoice/GetInvoice.php
+++ b/templates/rest/invoice/GetInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/GetNextInvoiceNumber.php b/templates/rest/invoice/GetNextInvoiceNumber.php
index 6492e5e9..cd4007ef 100755
--- a/templates/rest/invoice/GetNextInvoiceNumber.php
+++ b/templates/rest/invoice/GetNextInvoiceNumber.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/GetThirdPartyInvoice.php b/templates/rest/invoice/GetThirdPartyInvoice.php
index 5f37529b..60c670a5 100644
--- a/templates/rest/invoice/GetThirdPartyInvoice.php
+++ b/templates/rest/invoice/GetThirdPartyInvoice.php
@@ -13,6 +13,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/ListInvoice.php b/templates/rest/invoice/ListInvoice.php
index 09ba91c7..80656a91 100755
--- a/templates/rest/invoice/ListInvoice.php
+++ b/templates/rest/invoice/ListInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/RecordPayment.php b/templates/rest/invoice/RecordPayment.php
index 62faa594..c08a53cc 100755
--- a/templates/rest/invoice/RecordPayment.php
+++ b/templates/rest/invoice/RecordPayment.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/RecordRefund.php b/templates/rest/invoice/RecordRefund.php
index f0f9f15f..3b4edf34 100755
--- a/templates/rest/invoice/RecordRefund.php
+++ b/templates/rest/invoice/RecordRefund.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/RemindInvoice.php b/templates/rest/invoice/RemindInvoice.php
index 3f0b2d26..0f74e7d1 100755
--- a/templates/rest/invoice/RemindInvoice.php
+++ b/templates/rest/invoice/RemindInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/RetrieveQRCode.php b/templates/rest/invoice/RetrieveQRCode.php
index 9ac2efc4..770662f6 100755
--- a/templates/rest/invoice/RetrieveQRCode.php
+++ b/templates/rest/invoice/RetrieveQRCode.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/SearchInvoices.php b/templates/rest/invoice/SearchInvoices.php
index c99064ff..9962e615 100755
--- a/templates/rest/invoice/SearchInvoices.php
+++ b/templates/rest/invoice/SearchInvoices.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/SendInvoice.php b/templates/rest/invoice/SendInvoice.php
index 37bfe84e..b32ca0cc 100755
--- a/templates/rest/invoice/SendInvoice.php
+++ b/templates/rest/invoice/SendInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/invoice/UpdateInvoice.php b/templates/rest/invoice/UpdateInvoice.php
index b37308e4..eafbda6b 100755
--- a/templates/rest/invoice/UpdateInvoice.php
+++ b/templates/rest/invoice/UpdateInvoice.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/CreateWebhook.php b/templates/rest/notifications/CreateWebhook.php
index 129a50bc..e6c12b5b 100644
--- a/templates/rest/notifications/CreateWebhook.php
+++ b/templates/rest/notifications/CreateWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/DeleteWebhook.php b/templates/rest/notifications/DeleteWebhook.php
index 35411062..f1e7caf6 100644
--- a/templates/rest/notifications/DeleteWebhook.php
+++ b/templates/rest/notifications/DeleteWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/EventNotificationDetails.php b/templates/rest/notifications/EventNotificationDetails.php
index 3f513828..01d0fb7b 100644
--- a/templates/rest/notifications/EventNotificationDetails.php
+++ b/templates/rest/notifications/EventNotificationDetails.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/GetWebhook.php b/templates/rest/notifications/GetWebhook.php
index 7fcafdff..71bfe620 100644
--- a/templates/rest/notifications/GetWebhook.php
+++ b/templates/rest/notifications/GetWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/ListEventSubscriptionsForWebhook.php b/templates/rest/notifications/ListEventSubscriptionsForWebhook.php
index 082ab408..82881c9c 100644
--- a/templates/rest/notifications/ListEventSubscriptionsForWebhook.php
+++ b/templates/rest/notifications/ListEventSubscriptionsForWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/ListWebhooks.php b/templates/rest/notifications/ListWebhooks.php
index bfb44126..f659a5e2 100644
--- a/templates/rest/notifications/ListWebhooks.php
+++ b/templates/rest/notifications/ListWebhooks.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/ResendEventNotification.php b/templates/rest/notifications/ResendEventNotification.php
index 892da201..6aacf17d 100644
--- a/templates/rest/notifications/ResendEventNotification.php
+++ b/templates/rest/notifications/ResendEventNotification.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/SearchWebhookEvents.php b/templates/rest/notifications/SearchWebhookEvents.php
index 84ef0337..43ea7ea2 100644
--- a/templates/rest/notifications/SearchWebhookEvents.php
+++ b/templates/rest/notifications/SearchWebhookEvents.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/SimulateEvent.php b/templates/rest/notifications/SimulateEvent.php
index 24879a29..5815c47b 100644
--- a/templates/rest/notifications/SimulateEvent.php
+++ b/templates/rest/notifications/SimulateEvent.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/UpdateWebhook.php b/templates/rest/notifications/UpdateWebhook.php
index ad463c5a..ae17367e 100644
--- a/templates/rest/notifications/UpdateWebhook.php
+++ b/templates/rest/notifications/UpdateWebhook.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/VerifyWebhookSignature.php b/templates/rest/notifications/VerifyWebhookSignature.php
index 2a2cdbc5..17d007b7 100644
--- a/templates/rest/notifications/VerifyWebhookSignature.php
+++ b/templates/rest/notifications/VerifyWebhookSignature.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/notifications/WebhooksEventTypes.php b/templates/rest/notifications/WebhooksEventTypes.php
index c5d45762..b299700d 100644
--- a/templates/rest/notifications/WebhooksEventTypes.php
+++ b/templates/rest/notifications/WebhooksEventTypes.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/payment/AuthorizationCapture.php b/templates/rest/payment/AuthorizationCapture.php
index 6f091658..837eb7e8 100755
--- a/templates/rest/payment/AuthorizationCapture.php
+++ b/templates/rest/payment/AuthorizationCapture.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/CreatePayment.php b/templates/rest/payment/CreatePayment.php
index 3a39f3c6..3b05c1d5 100755
--- a/templates/rest/payment/CreatePayment.php
+++ b/templates/rest/payment/CreatePayment.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/CreatePaymentUsingPayPal.php b/templates/rest/payment/CreatePaymentUsingPayPal.php
index a2eda9dc..3d9854c2 100755
--- a/templates/rest/payment/CreatePaymentUsingPayPal.php
+++ b/templates/rest/payment/CreatePaymentUsingPayPal.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/CreatePaymentUsingSavedCardVault.php b/templates/rest/payment/CreatePaymentUsingSavedCardVault.php
index 253bea13..ce9d80e2 100755
--- a/templates/rest/payment/CreatePaymentUsingSavedCardVault.php
+++ b/templates/rest/payment/CreatePaymentUsingSavedCardVault.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/CreateThirdPartyPayment.php b/templates/rest/payment/CreateThirdPartyPayment.php
index 66a38347..d3640b80 100644
--- a/templates/rest/payment/CreateThirdPartyPayment.php
+++ b/templates/rest/payment/CreateThirdPartyPayment.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/ExecutePayment.php b/templates/rest/payment/ExecutePayment.php
index 84be0c51..c1be6723 100755
--- a/templates/rest/payment/ExecutePayment.php
+++ b/templates/rest/payment/ExecutePayment.php
@@ -15,6 +15,7 @@
 // API used: POST '/v1/payments/payment/<payment-id>/execute'.
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/payment/GetAuthorization.php b/templates/rest/payment/GetAuthorization.php
index 60d57ae9..5ee5f764 100755
--- a/templates/rest/payment/GetAuthorization.php
+++ b/templates/rest/payment/GetAuthorization.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/GetCapture.php b/templates/rest/payment/GetCapture.php
index daf7099b..0c3ceeb3 100755
--- a/templates/rest/payment/GetCapture.php
+++ b/templates/rest/payment/GetCapture.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/ListPayments.php b/templates/rest/payment/ListPayments.php
index f31c36ab..648b14c3 100755
--- a/templates/rest/payment/ListPayments.php
+++ b/templates/rest/payment/ListPayments.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/OrderAuthorize.php b/templates/rest/payment/OrderAuthorize.php
index 07ed2167..c9e68bbf 100755
--- a/templates/rest/payment/OrderAuthorize.php
+++ b/templates/rest/payment/OrderAuthorize.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/OrderCapture.php b/templates/rest/payment/OrderCapture.php
index f0b44043..e381f286 100755
--- a/templates/rest/payment/OrderCapture.php
+++ b/templates/rest/payment/OrderCapture.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/OrderDoVoid.php b/templates/rest/payment/OrderDoVoid.php
index 6861cc2b..9deaca77 100755
--- a/templates/rest/payment/OrderDoVoid.php
+++ b/templates/rest/payment/OrderDoVoid.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/Reauthorization.php b/templates/rest/payment/Reauthorization.php
index 0df5074b..6b08c478 100644
--- a/templates/rest/payment/Reauthorization.php
+++ b/templates/rest/payment/Reauthorization.php
@@ -15,6 +15,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/RefundCapture.php b/templates/rest/payment/RefundCapture.php
index f71f28a7..21d3d903 100755
--- a/templates/rest/payment/RefundCapture.php
+++ b/templates/rest/payment/RefundCapture.php
@@ -12,6 +12,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/ShowPaymentDetails.php b/templates/rest/payment/ShowPaymentDetails.php
index 13e53294..404fcb2b 100755
--- a/templates/rest/payment/ShowPaymentDetails.php
+++ b/templates/rest/payment/ShowPaymentDetails.php
@@ -6,6 +6,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/ShowRefundDetails.php b/templates/rest/payment/ShowRefundDetails.php
index f76e0dc6..8b84e9c4 100644
--- a/templates/rest/payment/ShowRefundDetails.php
+++ b/templates/rest/payment/ShowRefundDetails.php
@@ -6,6 +6,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/UpdatePayment.php b/templates/rest/payment/UpdatePayment.php
index ff1a0fdd..642d1d02 100644
--- a/templates/rest/payment/UpdatePayment.php
+++ b/templates/rest/payment/UpdatePayment.php
@@ -11,6 +11,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payment/VoidAuthorization.php b/templates/rest/payment/VoidAuthorization.php
index eb45e4f6..0a618e6a 100755
--- a/templates/rest/payment/VoidAuthorization.php
+++ b/templates/rest/payment/VoidAuthorization.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/paymentexperience/CreateWebProfile.php b/templates/rest/paymentexperience/CreateWebProfile.php
index 88e687da..9fc3e645 100755
--- a/templates/rest/paymentexperience/CreateWebProfile.php
+++ b/templates/rest/paymentexperience/CreateWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/paymentexperience/DeleteWebProfile.php b/templates/rest/paymentexperience/DeleteWebProfile.php
index a14ff0c9..6bc07631 100755
--- a/templates/rest/paymentexperience/DeleteWebProfile.php
+++ b/templates/rest/paymentexperience/DeleteWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/paymentexperience/GetWebProfile.php b/templates/rest/paymentexperience/GetWebProfile.php
index 466fc421..60a71a82 100755
--- a/templates/rest/paymentexperience/GetWebProfile.php
+++ b/templates/rest/paymentexperience/GetWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/paymentexperience/ListWebProfiles.php b/templates/rest/paymentexperience/ListWebProfiles.php
index 8c5aa9a3..29e2079e 100755
--- a/templates/rest/paymentexperience/ListWebProfiles.php
+++ b/templates/rest/paymentexperience/ListWebProfiles.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/paymentexperience/PartiallyUpdateWebProfile.php b/templates/rest/paymentexperience/PartiallyUpdateWebProfile.php
index 92336c89..faec02d8 100755
--- a/templates/rest/paymentexperience/PartiallyUpdateWebProfile.php
+++ b/templates/rest/paymentexperience/PartiallyUpdateWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/paymentexperience/UpdateWebProfile.php b/templates/rest/paymentexperience/UpdateWebProfile.php
index 55ba1c5b..de4e26e4 100755
--- a/templates/rest/paymentexperience/UpdateWebProfile.php
+++ b/templates/rest/paymentexperience/UpdateWebProfile.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/payouts/CancelPayoutItem.php b/templates/rest/payouts/CancelPayoutItem.php
index e956a45d..6b8a796b 100755
--- a/templates/rest/payouts/CancelPayoutItem.php
+++ b/templates/rest/payouts/CancelPayoutItem.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret
 );
diff --git a/templates/rest/payouts/CreateBatchPayout.php b/templates/rest/payouts/CreateBatchPayout.php
index 369fce05..72d064cf 100755
--- a/templates/rest/payouts/CreateBatchPayout.php
+++ b/templates/rest/payouts/CreateBatchPayout.php
@@ -4,9 +4,10 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
-                'ClientID' => $rest_client_id,
-                'ClientSecret' => $rest_client_secret
-                );
+    'Sandbox' => $sandbox,
+    'ClientID' => $rest_client_id,
+    'ClientSecret' => $rest_client_secret
+);
 
 $PayPal = new \angelleye\PayPal\rest\payouts\PayoutsAPI($configArray);
 
diff --git a/templates/rest/payouts/CreateSinglePayout.php b/templates/rest/payouts/CreateSinglePayout.php
index bb4121c2..951cd3bf 100755
--- a/templates/rest/payouts/CreateSinglePayout.php
+++ b/templates/rest/payouts/CreateSinglePayout.php
@@ -3,10 +3,11 @@
 require_once('../../../autoload.php');
 require_once('../../../includes/config.php');
 
-$configArray = array(
-                'ClientID' => $rest_client_id,
-                'ClientSecret' => $rest_client_secret
-                );
+$configArray = array(                
+    'Sandbox' => $sandbox,
+    'ClientID' => $rest_client_id,
+    'ClientSecret' => $rest_client_secret
+);
 
 $PayPal = new \angelleye\PayPal\rest\payouts\PayoutsAPI($configArray);
 
diff --git a/templates/rest/payouts/GetPayoutBatchStatus.php b/templates/rest/payouts/GetPayoutBatchStatus.php
index 04e6eec4..e6391d56 100755
--- a/templates/rest/payouts/GetPayoutBatchStatus.php
+++ b/templates/rest/payouts/GetPayoutBatchStatus.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret
 );
diff --git a/templates/rest/payouts/GetPayoutItemStatus.php b/templates/rest/payouts/GetPayoutItemStatus.php
index ba8df2d0..1f1a9dd0 100755
--- a/templates/rest/payouts/GetPayoutItemStatus.php
+++ b/templates/rest/payouts/GetPayoutItemStatus.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret
 );
diff --git a/templates/rest/paypal_sync/paypal_sync_transactions.php b/templates/rest/paypal_sync/paypal_sync_transactions.php
index bcc4b479..c91fa586 100644
--- a/templates/rest/paypal_sync/paypal_sync_transactions.php
+++ b/templates/rest/paypal_sync/paypal_sync_transactions.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/referenced_payouts/create_referenced_batch_payout.php b/templates/rest/referenced_payouts/create_referenced_batch_payout.php
index ac3be6ee..395e5f27 100644
--- a/templates/rest/referenced_payouts/create_referenced_batch_payout.php
+++ b/templates/rest/referenced_payouts/create_referenced_batch_payout.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/sale/GetSale.php b/templates/rest/sale/GetSale.php
index ee11e034..d2a7a130 100644
--- a/templates/rest/sale/GetSale.php
+++ b/templates/rest/sale/GetSale.php
@@ -10,6 +10,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/sale/RefundSale.php b/templates/rest/sale/RefundSale.php
index bce8275b..51858f97 100644
--- a/templates/rest/sale/RefundSale.php
+++ b/templates/rest/sale/RefundSale.php
@@ -10,6 +10,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results, 
diff --git a/templates/rest/vault/DeleteCreditCard.php b/templates/rest/vault/DeleteCreditCard.php
index 8b3ce02f..2b019c75 100755
--- a/templates/rest/vault/DeleteCreditCard.php
+++ b/templates/rest/vault/DeleteCreditCard.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/vault/GetCardDetails.php b/templates/rest/vault/GetCardDetails.php
index 2c1a6f7e..2a653182 100644
--- a/templates/rest/vault/GetCardDetails.php
+++ b/templates/rest/vault/GetCardDetails.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/vault/ListCreditCards.php b/templates/rest/vault/ListCreditCards.php
index 5d46530c..00054ed4 100755
--- a/templates/rest/vault/ListCreditCards.php
+++ b/templates/rest/vault/ListCreditCards.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/vault/StoreCreditCard.php b/templates/rest/vault/StoreCreditCard.php
index db5de426..c1ebf867 100644
--- a/templates/rest/vault/StoreCreditCard.php
+++ b/templates/rest/vault/StoreCreditCard.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,
diff --git a/templates/rest/vault/UpdateCreditCard.php b/templates/rest/vault/UpdateCreditCard.php
index 7c980e65..f1ce23df 100755
--- a/templates/rest/vault/UpdateCreditCard.php
+++ b/templates/rest/vault/UpdateCreditCard.php
@@ -4,6 +4,7 @@
 require_once('../../../includes/config.php');
 
 $configArray = array(
+    'Sandbox' => $sandbox,
     'ClientID' => $rest_client_id,
     'ClientSecret' => $rest_client_secret,
     'LogResults' => $log_results,