diff --git a/Libraries/Hotcakes.Commerce/Accounts/StoreSettingsPayPal.cs b/Libraries/Hotcakes.Commerce/Accounts/StoreSettingsPayPal.cs
index 1a6411fb0..d3e54b9ee 100644
--- a/Libraries/Hotcakes.Commerce/Accounts/StoreSettingsPayPal.cs
+++ b/Libraries/Hotcakes.Commerce/Accounts/StoreSettingsPayPal.cs
@@ -49,6 +49,18 @@ public string Password
             set { parent.SetPropEncrypted("PaypalPassword", value); }
         }
 
+        public string ClienId
+        {
+            get { return parent.GetPropEncrypted("PaypalClientId"); }
+            set { parent.SetPropEncrypted("PaypalClientId", value); }
+        }
+
+        public string Secret
+        {
+            get { return parent.GetPropEncrypted("PaypalSecret"); }
+            set { parent.SetPropEncrypted("PaypalSecret", value); }
+        }
+
         public string Signature
         {
             get { return parent.GetPropEncrypted("PaypalSignature"); }
diff --git a/Libraries/Hotcakes.Commerce/BusinessRules/OrderTasks/ReceivePaypalExpressPayments.cs b/Libraries/Hotcakes.Commerce/BusinessRules/OrderTasks/ReceivePaypalExpressPayments.cs
index bfbff0b3a..56cecb4be 100644
--- a/Libraries/Hotcakes.Commerce/BusinessRules/OrderTasks/ReceivePaypalExpressPayments.cs
+++ b/Libraries/Hotcakes.Commerce/BusinessRules/OrderTasks/ReceivePaypalExpressPayments.cs
@@ -48,7 +48,7 @@ public override bool Execute(OrderTaskContext context)
             {
 
 				//Use the last transaction entered by customer first
-				List<OrderTransaction> transactions = context.HccApp.OrderServices.Transactions
+                List<OrderTransaction> transactions = context.HccApp.OrderServices.Transactions
 																	.FindForOrder(context.Order.bvin)
 																	.OrderByDescending(x => x.TimeStampUtc)
 																	.ToList();
diff --git a/Libraries/Hotcakes.Commerce/BusinessRules/OrderTasks/StartPaypalExpressCheckout.cs b/Libraries/Hotcakes.Commerce/BusinessRules/OrderTasks/StartPaypalExpressCheckout.cs
index 0219cbc56..ee09dcf5d 100644
--- a/Libraries/Hotcakes.Commerce/BusinessRules/OrderTasks/StartPaypalExpressCheckout.cs
+++ b/Libraries/Hotcakes.Commerce/BusinessRules/OrderTasks/StartPaypalExpressCheckout.cs
@@ -32,8 +32,14 @@
 using System.Web;
 using Hotcakes.Web.Logging;
 using System.Globalization;
+using System.Net;
+using System.Threading.Tasks;
+using Hotcakes.Commerce.Common;
 using Hotcakes.Commerce.Globalization;
 using Hotcakes.Commerce.Payment;
+using PayPalCheckoutSdk.Core;
+using PayPalCheckoutSdk.Orders;
+using PayPalHttp;
 
 namespace Hotcakes.Commerce.BusinessRules.OrderTasks
 {
@@ -54,7 +60,7 @@ public override bool ProcessCheckout(OrderTaskContext context)
             {
                 try
                 {
-                    PayPalAPI ppAPI = Utilities.PaypalExpressUtilities.GetPaypalAPI(context.HccApp.CurrentStore);
+                    RestPayPalApi replacePayPal = Utilities.PaypalExpressUtilities.GetRestPaypalAPI(context.HccApp.CurrentStore);
 
                     string cartReturnUrl = HccUrlBuilder.RouteHccUrl(HccRoute.ThirdPartyPayment, null, Uri.UriSchemeHttps);
                     string cartCancelUrl = HccUrlBuilder.RouteHccUrl(HccRoute.Checkout, null, Uri.UriSchemeHttps);
@@ -62,16 +68,16 @@ public override bool ProcessCheckout(OrderTaskContext context)
                     EventLog.LogEvent("PayPal Express Checkout", "CartCancelUrl=" + cartCancelUrl, EventLogSeverity.Information);
                     EventLog.LogEvent("PayPal Express Checkout", "CartReturnUrl=" + cartReturnUrl, EventLogSeverity.Information);
 
-                    PaymentActionCodeType mode = PaymentActionCodeType.Authorization;
+                    string mode = PayPalConstants.PAYMENT_MODE_AUTHORIZE;
                     if (!context.HccApp.CurrentStore.Settings.PayPal.ExpressAuthorizeOnly)
 					{
-                        mode = PaymentActionCodeType.Sale;
+                        mode = PayPalConstants.PAYMENT_MODE_CAPTURE;
                     }
 
                     // Accelerated boarding
                     if (string.IsNullOrWhiteSpace(context.HccApp.CurrentStore.Settings.PayPal.UserName))
 					{
-                        mode = PaymentActionCodeType.Sale;
+                        mode = PayPalConstants.PAYMENT_MODE_CAPTURE;
 					}
 
 					var solutionType = context.HccApp.CurrentStore.Settings.PayPal.RequirePayPalAccount ? SolutionTypeType.Mark : SolutionTypeType.Sole;
@@ -87,7 +93,7 @@ public override bool ProcessCheckout(OrderTaskContext context)
 
 					PaymentDetailsItemType[] itemsDetails = GetOrderItemsDetails(context);
 
-					SetExpressCheckoutResponseType expressResponse;
+					PayPalHttp.HttpResponse expressResponse;
                     if (addressSupplied)
                     {
                         Contacts.Address address = context.Order.ShippingAddress;
@@ -101,12 +107,14 @@ public override bool ProcessCheckout(OrderTaskContext context)
 
                         if (address.CountryData != null)
                         {
-							var itemsTotalWithoutTax = context.Order.TotalOrderAfterDiscounts;
+                            var ISOCode = address.CountryData.IsoCode;
+
+                            var itemsTotalWithoutTax = context.Order.TotalOrderAfterDiscounts;
 							if (context.HccApp.CurrentStore.Settings.ApplyVATRules)
 							{
 								itemsTotalWithoutTax -= context.Order.ItemsTax;
 							}
-							string itemsTotal = itemsTotalWithoutTax.ToString("N", CultureInfo.InvariantCulture);
+                            string itemsTotal = itemsTotalWithoutTax.ToString("N", CultureInfo.InvariantCulture);
 							string taxTotal = context.Order.TotalTax.ToString("N", CultureInfo.InvariantCulture);
 							var shippingTotalWithoutTax = context.Order.TotalShippingAfterDiscounts;
 							if (context.HccApp.CurrentStore.Settings.ApplyVATRules)
@@ -116,27 +124,27 @@ public override bool ProcessCheckout(OrderTaskContext context)
 							string shippingTotal = shippingTotalWithoutTax.ToString("N", CultureInfo.InvariantCulture);
 
 							string orderTotal = context.Order.TotalGrand.ToString("N", CultureInfo.InvariantCulture);
-                            expressResponse = ppAPI.SetExpressCheckout(
-								itemsDetails,
-								itemsTotal,
-								taxTotal,
-								shippingTotal,
-								orderTotal,
-                                cartReturnUrl,
-                                cartCancelUrl,
-                                mode,
-                                PayPalAPI.GetCurrencyCodeType(context.HccApp.CurrentStore.Settings.PayPal.Currency),
-								solutionType,
-                                address.FirstName + " " + address.LastName,
-                                address.CountryData.IsoCode,
-                                address.Line1,
-                                address.Line2,
-                                address.City,
-                                address.RegionBvin,
-                                address.PostalCode,
-                                address.Phone,
-                                context.Order.OrderNumber + Guid.NewGuid().ToString(),
-								isNonShipping);
+                            expressResponse = System.Threading.Tasks.Task.Run(() => replacePayPal.createOrder(
+                                                    itemsDetails,
+                                                    itemsTotal,
+                                                    taxTotal,
+                                                    shippingTotal,
+                                                    orderTotal,
+                                                    cartReturnUrl,
+                                                    cartCancelUrl,
+                                                    mode,
+                                                    context.HccApp.CurrentStore.Settings.PayPal.Currency,
+                                                    solutionType,
+                                                    ($"{address.FirstName} {address.LastName}"),
+                                                    ISOCode,
+                                                    address.Line1,
+                                                    address.Line2,
+                                                    address.City,
+                                                    address.RegionBvin,
+                                                    address.PostalCode,
+                                                    address.Phone,
+                                                    context.Order.OrderNumber + Guid.NewGuid().ToString(),
+                                                    isNonShipping)).GetAwaiter().GetResult(); 
                             if (expressResponse == null)
                             {
                                 EventLog.LogEvent("PayPal Express Checkout", "Express Response Was Null!", EventLogSeverity.Error);
@@ -163,26 +171,27 @@ public override bool ProcessCheckout(OrderTaskContext context)
 						}
 						string itemsTotal = itemsTotalWithoutTax.ToString("N", CultureInfo.InvariantCulture);
 						string orderTotal = context.Order.TotalOrderAfterDiscounts.ToString("N", CultureInfo.InvariantCulture);
-						expressResponse = ppAPI.SetExpressCheckout(itemsDetails,
-																itemsTotal,
-																taxTotal,
-																orderTotal,
-                                                                cartReturnUrl,
-                                                                cartCancelUrl,
-                                                                mode,
-                                                                PayPalAPI.GetCurrencyCodeType(context.HccApp.CurrentStore.Settings.PayPal.Currency),
-																solutionType,
-                                                                context.Order.OrderNumber + Guid.NewGuid().ToString(),
-																isNonShipping);
+						expressResponse = System.Threading.Tasks.Task.Run(() => replacePayPal.createOrder(itemsDetails,
+                            itemsTotal,
+                            taxTotal,
+                            orderTotal,
+                            cartReturnUrl,
+                            cartCancelUrl,
+                            mode,
+                            context.HccApp.CurrentStore.Settings.PayPal.Currency,
+                            solutionType,
+                            context.Order.OrderNumber + Guid.NewGuid().ToString(),
+                            isNonShipping)).GetAwaiter().GetResult();
+                        
                         if (expressResponse == null)
                         {
                             EventLog.LogEvent("PayPal Express Checkout", "Express Response2 Was Null!", EventLogSeverity.Error);
                         }
                     }
 
-                    if (expressResponse.Ack == AckCodeType.Success || expressResponse.Ack == AckCodeType.SuccessWithWarning)
+                    if (expressResponse.StatusCode == HttpStatusCode.Created /*|| expressResponse.Ack == AckCodeType.SuccessWithWarning*/)
                     {
-                        context.Order.ThirdPartyOrderId = expressResponse.Token;
+                        context.Order.ThirdPartyOrderId = expressResponse.Result<Order>().Id;
 
                         // Recording of this info is handled on the paypal express
                         // checkout page instead of here.
@@ -193,38 +202,26 @@ public override bool ProcessCheckout(OrderTaskContext context)
 
                         Orders.OrderNote note = new Orders.OrderNote();
                         note.IsPublic = false;
-                        note.Note = "Paypal Order Accepted With Paypal Order Number: " + expressResponse.Token;
+                        note.Note = "Paypal Order Accepted With Paypal Order Number: " + expressResponse.Result<Order>().Id;
                         context.Order.Notes.Add(note);
                         if (context.HccApp.OrderServices.Orders.Update(context.Order))
                         {
 							string urlTemplate;
                             if (string.Compare(context.HccApp.CurrentStore.Settings.PayPal.Mode, "Live", true) == 0)
                             {
-								urlTemplate = "https://www.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token={0}";
+								urlTemplate = PayPalConstants.LIVE_URL;
                             }
                             else
                             {
-								urlTemplate = "https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token={0}";
+								urlTemplate = PayPalConstants.SANDBOX_URL;
                             }
 							HttpContextBase httpContext = new HccHttpContextWrapper(HttpContext.Current);
-                            httpContext.Response.Redirect(string.Format(urlTemplate, expressResponse.Token), true);
+                            httpContext.Response.Redirect(string.Format(urlTemplate, expressResponse.Result<Order>().Id), true);
                         }
                         return true;
                     }
                     else
                     {
-                        foreach (ErrorType ppError in expressResponse.Errors)
-                        {
-                            context.Errors.Add(new WorkflowMessage(ppError.ErrorCode, ppError.ShortMessage, true));
-
-                            //create a note to save the paypal error info onto the order
-                            Orders.OrderNote note = new Orders.OrderNote();
-                            note.IsPublic = false;
-                            note.Note = "Paypal error number: " + ppError.ErrorCode + " Paypal Error: '" + ppError.ShortMessage + "' Message: '" + ppError.LongMessage;
-                            context.Order.Notes.Add(note);
-
-                            EventLog.LogEvent("Paypal error number: " + ppError.ErrorCode, "Paypal Error: '" + ppError.ShortMessage + "' Message: '" + ppError.LongMessage + "' " + " Values passed to SetExpressCheckout: Total=" + string.Format("{0:c}", context.Order.TotalOrderBeforeDiscounts) + " Cart Return Url: " + cartReturnUrl + " Cart Cancel Url: " + cartCancelUrl, EventLogSeverity.Error);
-                        }
                         context.Errors.Add(new WorkflowMessage("Paypal checkout error", GlobalLocalization.GetString("PaypalCheckoutCustomerError"), true));
                         return false;
                     }
diff --git a/Libraries/Hotcakes.Commerce/Common/Constants.cs b/Libraries/Hotcakes.Commerce/Common/Constants.cs
index 4e95b377f..35c778954 100644
--- a/Libraries/Hotcakes.Commerce/Common/Constants.cs
+++ b/Libraries/Hotcakes.Commerce/Common/Constants.cs
@@ -163,5 +163,6 @@ public class Constants
         public const string TAG_IOGPRICEAMOUNT = "<meta property=\"og:price:amount\" content=\"{0}\" />";
         public const string TAG_IOGPRICECURRENCY = "<meta property=\"og:price:currency\" content=\"{0}\" />";
         #endregion
+
     }
 }
diff --git a/Libraries/Hotcakes.Commerce/Common/PayPalConstants.cs b/Libraries/Hotcakes.Commerce/Common/PayPalConstants.cs
new file mode 100644
index 000000000..41e282099
--- /dev/null
+++ b/Libraries/Hotcakes.Commerce/Common/PayPalConstants.cs
@@ -0,0 +1,42 @@
+using System;
+
+
+namespace Hotcakes.Commerce.Common
+{
+    public class PayPalConstants
+    {
+        //Payments Status
+        public const string PAYMENT_STATUS_COMPLETED = "COMPLETED";
+        public const string PAYMENT_STATUS_COMPLETED_DESCRIPTION = "PayPal Express Payment Captured Successfully";
+        public const string PAYMENT_STATUS_Pending = "PENDING";
+        public const string PAYMENT_STATUS_Pending_DESCRIPTION = "PayPal Express Payment PENDING";
+        public const string PAYMENT_STATUS_DENIED = "DENIED";
+        public const string PAYMENT_STATUS_DENIED_DESCRIPTION = "PayPal Express Payment DENIED";
+        public const string PAYMENT_STATUS_ERROR_DESCRIPTION =
+            "An error occurred while trying to capture your PayPal payment.";
+        public const string PAYMENT_CHARGE_ERROR = "An error occurred while trying to charge your PayPal payment.";
+        public const string PAYMENT_ERROR = "Paypal Express Payment Charge Failed.";
+
+        //Payment Authorize
+        public const string PAYMENT_AUTHORIZE_SUCCESS = "PayPal Express Payment Authorized Successfully.";
+        public const string PAYMENT_AUTHORIZE_FAILED = "PayPal Express Payment Authorization Failed.";
+
+
+        //Payment Refund
+        public const string PAYMENT_REFUND_SUCCESS = "PayPal Express Payment Refunded Successfully.";
+        public const string PAYMENT_REFUND_FAILED = "Paypal Express Payment Refund Failed.";
+
+        //Payment Void
+        public const string PAYMENT_Void_SUCCESS = "PayPal Express Payment Voided Successfully.";
+        public const string PAYMENT_Void_FAILED = "Paypal Express Payment Void Failed.";
+
+
+        //Payment Mode
+        public const string PAYMENT_MODE_AUTHORIZE = "AUTHORIZE";
+        public const string PAYMENT_MODE_CAPTURE = "CAPTURE";
+
+        //Template URL
+        public const string LIVE_URL = "https://www.paypal.com/checkoutnow?token={0}";
+        public const string SANDBOX_URL = "https://www.sandbox.paypal.com/checkoutnow?token={0}";
+    }
+}
diff --git a/Libraries/Hotcakes.Commerce/Hotcakes.Commerce.csproj b/Libraries/Hotcakes.Commerce/Hotcakes.Commerce.csproj
index 61f94d348..5cf2a99b9 100644
--- a/Libraries/Hotcakes.Commerce/Hotcakes.Commerce.csproj
+++ b/Libraries/Hotcakes.Commerce/Hotcakes.Commerce.csproj
@@ -94,6 +94,12 @@
     <Reference Include="Newtonsoft.Json">
       <HintPath>..\..\References\Dnn\Newtonsoft.Json.dll</HintPath>
     </Reference>
+    <Reference Include="PayPalCheckoutSdk, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\PayPalCheckoutSdk.1.0.4\lib\netstandard2.0\PayPalCheckoutSdk.dll</HintPath>
+    </Reference>
+    <Reference Include="PayPalHttp-Dotnet, Version=1.0.1.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\PayPalHttp.1.0.1\lib\netstandard2.0\PayPalHttp-Dotnet.dll</HintPath>
+    </Reference>
     <Reference Include="paypal_base">
       <HintPath>..\..\References\Misc\paypal_base.dll</HintPath>
       <Private>True</Private>
@@ -212,6 +218,7 @@
     <Compile Include="Catalog\ResevationItem.cs" />
     <Compile Include="Catalog\ValidateSelectionsResult.cs" />
     <Compile Include="Common\Constants.cs" />
+    <Compile Include="Common\PayPalConstants.cs" />
     <Compile Include="Configuration\IConfigurationManager.cs" />
     <Compile Include="Configuration\SmtpSettings.cs" />
     <Compile Include="Contacts\AffiliatePayment.cs" />
diff --git a/Libraries/Hotcakes.Commerce/Orders/OrderPaymentManager.cs b/Libraries/Hotcakes.Commerce/Orders/OrderPaymentManager.cs
index f6224c60e..ccfe2ac86 100644
--- a/Libraries/Hotcakes.Commerce/Orders/OrderPaymentManager.cs
+++ b/Libraries/Hotcakes.Commerce/Orders/OrderPaymentManager.cs
@@ -1242,6 +1242,7 @@ public bool PayPalExpressCompleteAllPayments()
                         var t = CreateEmptyTransaction();
                         t.Card = p.CreditCard;
                         t.Amount = p.Amount;
+                        t.PreviousTransactionNumber = p.RefNum1;
 
                         var processor = new PaypalExpress();
 
diff --git a/Libraries/Hotcakes.Commerce/Payment/Methods/PaypalExpress.cs b/Libraries/Hotcakes.Commerce/Payment/Methods/PaypalExpress.cs
index e396529bd..3a80b05d2 100644
--- a/Libraries/Hotcakes.Commerce/Payment/Methods/PaypalExpress.cs
+++ b/Libraries/Hotcakes.Commerce/Payment/Methods/PaypalExpress.cs
@@ -25,10 +25,15 @@
 
 using System;
 using System.Globalization;
+using System.Net;
+using System.Threading.Tasks;
 using com.paypal.soap.api;
+using Hotcakes.Commerce.Common;
 using Hotcakes.Commerce.Utilities;
 using Hotcakes.Payment;
 using Hotcakes.PaypalWebServices;
+using PayPalCheckoutSdk.Orders;
+using PayPalHttp;
 
 namespace Hotcakes.Commerce.Payment.Methods
 {
@@ -64,7 +69,7 @@ public bool Authorize(Transaction t, HotcakesApplication app)
         {
             try
             {
-                var ppAPI = PaypalExpressUtilities.GetPaypalAPI(app.CurrentStore);
+                var ppAPI = PaypalExpressUtilities.GetRestPaypalAPI(app.CurrentStore);
 
                 if (t.PreviousTransactionNumber != null)
                 {
@@ -76,31 +81,22 @@ public bool Authorize(Transaction t, HotcakesApplication app)
                         mode = PaymentActionCodeType.Sale;
                     }
 
-                    var paymentResponse = ppAPI.DoExpressCheckoutPayment(t.PreviousTransactionNumber,
-                        t.PreviousTransactionAuthCode,
-                        t.Amount.ToString("N", CultureInfo.InvariantCulture),
-                        mode,
-                        PayPalAPI.GetCurrencyCodeType(app.CurrentStore.Settings.PayPal.Currency),
-                        OrderNumber);
+                    var paymentResponse = Task.Run(() => ppAPI.AuthorizeOrder(t.PreviousTransactionNumber)).GetAwaiter().GetResult();
+                   
 
-                    if (paymentResponse.Ack == AckCodeType.Success ||
-                        paymentResponse.Ack == AckCodeType.SuccessWithWarning)
+                    if (paymentResponse.StatusCode == HttpStatusCode.Created)
                     {
-                        var paymentInfo = paymentResponse.DoExpressCheckoutPaymentResponseDetails.PaymentInfo[0];
+                        var paymentInfo = paymentResponse.Result<Order>().PurchaseUnits[0].Payments.Authorizations[0];
 
                         t.Result.Succeeded = true;
-                        t.Result.ReferenceNumber = paymentInfo.TransactionID;
+                        t.Result.ReferenceNumber = paymentInfo.Id;
                         t.Result.ResponseCode = "OK";
-                        t.Result.ResponseCodeDescription = "PayPal Express Payment Authorized Successfully.";
+                        t.Result.ResponseCodeDescription = PayPalConstants.PAYMENT_AUTHORIZE_SUCCESS;
                         return true;
                     }
                     t.Result.Succeeded = false;
-                    t.Result.Messages.Add(new Message("PayPal Express Payment Authorization Failed.", string.Empty,
+                    t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_AUTHORIZE_FAILED, string.Empty,
                         MessageType.Error));
-                    foreach (var ppError in paymentResponse.Errors)
-                    {
-                        t.Result.Messages.Add(new Message(ppError.LongMessage, ppError.ErrorCode, MessageType.Error));
-                    }
                     return false;
                 }
             }
@@ -116,79 +112,53 @@ public bool Capture(Transaction t, HotcakesApplication app)
         {
             try
             {
-                var ppAPI = PaypalExpressUtilities.GetPaypalAPI(app.CurrentStore);
+                var ppAPI = PaypalExpressUtilities.GetRestPaypalAPI(app.CurrentStore);
 
                 var OrderNumber = t.MerchantInvoiceNumber + Guid.NewGuid();
 
-                var captureResponse = ppAPI.DoCapture(t.PreviousTransactionNumber,
-                    "Thank you for your payment.",
+                var captureResponse = Task.Run(() => ppAPI.CaptureAuthorizedOrder(t.PreviousTransactionNumber,
                     t.Amount.ToString("N", CultureInfo.InvariantCulture),
-                    PayPalAPI.GetCurrencyCodeType(app.CurrentStore.Settings.PayPal.Currency),
-                    OrderNumber);
+                    app.CurrentStore.Settings.PayPal.Currency,
+                    OrderNumber)).GetAwaiter().GetResult();
 
-                if (captureResponse.Ack == AckCodeType.Success || captureResponse.Ack == AckCodeType.SuccessWithWarning)
+                if (captureResponse.StatusCode == HttpStatusCode.OK || captureResponse.StatusCode == HttpStatusCode.Created)
                 {
-                    t.Result.ReferenceNumber = captureResponse.DoCaptureResponseDetails.PaymentInfo.TransactionID;
+                    var capturedInfo = captureResponse.Result<PayPalCheckoutSdk.Payments.Capture>();
+                    t.Result.ReferenceNumber = capturedInfo.Id;
 
-                    if (captureResponse.DoCaptureResponseDetails.PaymentInfo.PaymentStatus ==
-                        PaymentStatusCodeType.Pending)
-                    {
-                        t.Result.Succeeded = true;
-                        t.Result.ResponseCode = "PENDING";
-                        t.Result.ResponseCodeDescription = "PayPal Express Payment PENDING";
-                        t.Result.Messages.Add(new Message("Paypal Express Payment PENDING.", "OK",
-                            MessageType.Information));
-                        return true;
-                    }
-                    if (captureResponse.DoCaptureResponseDetails.PaymentInfo.PaymentStatus ==
-                        PaymentStatusCodeType.InProgress)
-                    {
-                        t.Result.Succeeded = true;
-                        t.Result.ResponseCode = "PENDING";
-                        t.Result.ResponseCodeDescription = "PayPal Express Payment IN PROGRESS";
-                        t.Result.Messages.Add(new Message("Paypal Express Payment PENDING. In Progress.", "OK",
-                            MessageType.Information));
-                        return true;
-                    }
-                    if (captureResponse.DoCaptureResponseDetails.PaymentInfo.PaymentStatus == PaymentStatusCodeType.None)
+                    if (capturedInfo.Status == PayPalConstants.PAYMENT_STATUS_Pending)
                     {
                         t.Result.Succeeded = true;
-                        t.Result.ResponseCode = "PENDING";
-                        t.Result.ResponseCodeDescription = "PayPal Express Payment: No Status Yet";
-                        t.Result.Messages.Add(new Message("Paypal Express Payment PENDING. No Status Yet.", "OK",
+                        t.Result.ResponseCode = PayPalConstants.PAYMENT_STATUS_Pending;
+                        t.Result.ResponseCodeDescription = PayPalConstants.PAYMENT_STATUS_Pending_DESCRIPTION;
+                        t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_STATUS_Pending_DESCRIPTION, "OK",
                             MessageType.Information));
                         return true;
                     }
-                    if (captureResponse.DoCaptureResponseDetails.PaymentInfo.PaymentStatus ==
-                        PaymentStatusCodeType.Processed)
+                    if (capturedInfo.Status == PayPalConstants.PAYMENT_STATUS_DENIED)
                     {
                         t.Result.Succeeded = true;
-                        t.Result.ResponseCode = "PENDING";
-                        t.Result.ResponseCodeDescription = "PayPal Express Payment PENDING";
-                        t.Result.Messages.Add(new Message("Paypal Express Payment PENDING.", "OK",
+                        t.Result.ResponseCode = PayPalConstants.PAYMENT_STATUS_DENIED;
+                        t.Result.ResponseCodeDescription = PayPalConstants.PAYMENT_STATUS_DENIED_DESCRIPTION;
+                        t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_STATUS_DENIED_DESCRIPTION, "OK",
                             MessageType.Information));
                         return true;
                     }
-                    if (captureResponse.DoCaptureResponseDetails.PaymentInfo.PaymentStatus ==
-                        PaymentStatusCodeType.Completed)
+                    if (capturedInfo.Status == PayPalConstants.PAYMENT_STATUS_COMPLETED)
                     {
                         t.Result.Succeeded = true;
-                        t.Result.Messages.Add(new Message("PayPal Express Payment Captured Successfully.", "OK",
+                        t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_STATUS_COMPLETED_DESCRIPTION, "OK",
                             MessageType.Information));
                         return true;
                     }
                     t.Result.Succeeded = false;
-                    t.Result.Messages.Add(new Message("An error occurred while trying to capture your PayPal payment.",
+                    t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_STATUS_ERROR_DESCRIPTION,
                         string.Empty, MessageType.Error));
                     return false;
                 }
                 t.Result.Succeeded = false;
-                t.Result.Messages.Add(new Message("Paypal Express Payment Charge Failed.", string.Empty,
+                t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_ERROR, string.Empty,
                     MessageType.Error));
-                foreach (var ppError in captureResponse.Errors)
-                {
-                    t.Result.Messages.Add(new Message(ppError.LongMessage, ppError.ErrorCode, MessageType.Error));
-                }
                 return false;
             }
             catch (Exception ex)
@@ -202,53 +172,45 @@ public bool Charge(Transaction t, HotcakesApplication app)
         {
             try
             {
-                var ppAPI = PaypalExpressUtilities.GetPaypalAPI(app.CurrentStore);
+                var ppAPI = PaypalExpressUtilities.GetRestPaypalAPI(app.CurrentStore);
 
-                var OrderNumber = t.MerchantInvoiceNumber + Guid.NewGuid();
 
-                DoExpressCheckoutPaymentResponseType paymentResponse;
+                HttpResponse paymentResponse;
                 //there was no authorization so we just need to do a direct sale
-                paymentResponse = ppAPI.DoExpressCheckoutPayment(t.PreviousTransactionNumber,
-                    t.PreviousTransactionAuthCode,
-                    t.Amount.ToString("N", CultureInfo.InvariantCulture),
-                    PaymentActionCodeType.Sale,
-                    PayPalAPI.GetCurrencyCodeType(app.CurrentStore.Settings.PayPal.Currency),
-                    OrderNumber);
+                
+                paymentResponse = Task.Run(() => ppAPI.CaptureOrder(t.PreviousTransactionNumber)).GetAwaiter().GetResult();
 
-                if (paymentResponse.Ack == AckCodeType.Success || paymentResponse.Ack == AckCodeType.SuccessWithWarning)
+                if (paymentResponse.StatusCode == HttpStatusCode.Created || paymentResponse.StatusCode == HttpStatusCode.OK)
                 {
-                    var paymentInfo = paymentResponse.DoExpressCheckoutPaymentResponseDetails.PaymentInfo[0];
+                    var paymentInfo = paymentResponse.Result<Order>().PurchaseUnits[0].Payments.Captures[0];
 
-                    t.Result.ReferenceNumber = paymentInfo.TransactionID;
+                    t.Result.ReferenceNumber = paymentInfo.Id;
 
-                    if (paymentInfo.PaymentStatus == PaymentStatusCodeType.Completed)
+                    if (paymentInfo.Status == PayPalConstants.PAYMENT_STATUS_COMPLETED)
                     {
                         t.Result.Succeeded = true;
-                        t.Result.Messages.Add(new Message("PayPal Express Payment Charged Successfully.", "OK",
+                        t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_STATUS_COMPLETED_DESCRIPTION, "OK",
                             MessageType.Information));
                         return true;
                     }
-                    if (paymentInfo.PaymentStatus == PaymentStatusCodeType.Pending)
+                    if (paymentInfo.Status == PayPalConstants.PAYMENT_STATUS_Pending)
                     {
                         t.Result.Succeeded = true;
-                        t.Result.ResponseCode = "PENDING";
-                        t.Result.ResponseCodeDescription = "PayPal Express Payment PENDING";
-                        t.Result.Messages.Add(new Message("Paypal Express Payment PENDING.", "OK",
+                        t.Result.ResponseCode = PayPalConstants.PAYMENT_STATUS_Pending;
+                        t.Result.ResponseCodeDescription = PayPalConstants.PAYMENT_STATUS_Pending_DESCRIPTION;
+                        t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_STATUS_Pending_DESCRIPTION, "OK",
                             MessageType.Information));
                         return true;
                     }
                     t.Result.Succeeded = false;
-                    t.Result.Messages.Add(new Message("An error occurred while trying to charge your PayPal payment.",
+                    t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_CHARGE_ERROR,
                         string.Empty, MessageType.Error));
                     return false;
                 }
                 t.Result.Succeeded = false;
-                t.Result.Messages.Add(new Message("Paypal Express Payment Charge Failed.", string.Empty,
+                t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_ERROR, string.Empty,
                     MessageType.Error));
-                foreach (var ppError in paymentResponse.Errors)
-                {
-                    t.Result.Messages.Add(new Message(ppError.LongMessage, ppError.ErrorCode, MessageType.Error));
-                }
+                
                 return false;
             }
             catch (Exception ex)
@@ -262,33 +224,27 @@ public bool Refund(Transaction t, HotcakesApplication app)
         {
             try
             {
-                var ppAPI = PaypalExpressUtilities.GetPaypalAPI(app.CurrentStore);
+                var ppAPI = PaypalExpressUtilities.GetRestPaypalAPI(app.CurrentStore);
 
                 if (t.PreviousTransactionNumber != null)
                 {
                     var refundType = string.Empty;
                     //per paypal's request, the refund type should always be set to partial
-                    refundType = "Partial";
-                    var refundResponse = ppAPI.RefundTransaction(
+
+                    var refundResponse = Task.Run(() => ppAPI.CapturesRefund(
                         t.PreviousTransactionNumber,
-                        refundType,
                         t.Amount.ToString("N", CultureInfo.InvariantCulture),
-                        PayPalAPI.GetCurrencyCodeType(app.CurrentStore.Settings.PayPal.Currency));
-                    if (refundResponse.Ack == AckCodeType.Success ||
-                        refundResponse.Ack == AckCodeType.SuccessWithWarning)
+                        app.CurrentStore.Settings.PayPal.Currency)).GetAwaiter().GetResult();
+                    if (refundResponse.StatusCode == HttpStatusCode.Created)
                     {
                         t.Result.Succeeded = true;
-                        t.Result.Messages.Add(new Message("PayPal Express Payment Refunded Successfully.", "OK",
+                        t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_REFUND_SUCCESS, "OK",
                             MessageType.Information));
                         return true;
                     }
                     t.Result.Succeeded = false;
-                    t.Result.Messages.Add(new Message("Paypal Express Payment Refund Failed.", string.Empty,
+                    t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_REFUND_FAILED, string.Empty,
                         MessageType.Error));
-                    foreach (var ppError in refundResponse.Errors)
-                    {
-                        t.Result.Messages.Add(new Message(ppError.LongMessage, ppError.ErrorCode, MessageType.Error));
-                    }
                     return false;
                 }
             }
@@ -303,25 +259,21 @@ public bool Void(Transaction t, HotcakesApplication app)
         {
             try
             {
-                var ppAPI = PaypalExpressUtilities.GetPaypalAPI(app.CurrentStore);
+                var ppAPI = PaypalExpressUtilities.GetRestPaypalAPI(app.CurrentStore);
 
                 if (t.PreviousTransactionNumber != null)
                 {
-                    var voidResponse = ppAPI.DoVoid(t.PreviousTransactionNumber, "Transaction Voided");
-                    if (voidResponse.Ack == AckCodeType.Success || voidResponse.Ack == AckCodeType.SuccessWithWarning)
+                    var voidResponse = Task.Run(() => ppAPI.VoidAuthorizedPayment(t.PreviousTransactionNumber)).GetAwaiter().GetResult();
+                    if (voidResponse.StatusCode == HttpStatusCode.NoContent)
                     {
                         t.Result.Succeeded = true;
-                        t.Result.Messages.Add(new Message("PayPal Express Payment Voided Successfully.", "OK",
+                        t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_Void_SUCCESS, "OK",
                             MessageType.Information));
                         return true;
                     }
                     t.Result.Succeeded = false;
-                    t.Result.Messages.Add(new Message("Paypal Express Payment Void Failed.", string.Empty,
+                    t.Result.Messages.Add(new Message(PayPalConstants.PAYMENT_Void_FAILED, string.Empty,
                         MessageType.Error));
-                    foreach (var ppError in voidResponse.Errors)
-                    {
-                        t.Result.Messages.Add(new Message(ppError.LongMessage, ppError.ErrorCode, MessageType.Error));
-                    }
                     return false;
                 }
             }
diff --git a/Libraries/Hotcakes.Commerce/Utilities/PaypalExpressUtilities.cs b/Libraries/Hotcakes.Commerce/Utilities/PaypalExpressUtilities.cs
index 0eabb49cb..948c4fda0 100644
--- a/Libraries/Hotcakes.Commerce/Utilities/PaypalExpressUtilities.cs
+++ b/Libraries/Hotcakes.Commerce/Utilities/PaypalExpressUtilities.cs
@@ -33,50 +33,12 @@ namespace Hotcakes.Commerce.Utilities
 {
     public class PaypalExpressUtilities
     {
-        public static PayPalAPI GetPaypalAPI(Store currentStore)
+        public static RestPayPalApi GetRestPaypalAPI(Store currentStore)
         {
-            var APIProfile
-                = CreateAPIProfile(currentStore.Settings.PayPal.UserName,
-                    currentStore.Settings.PayPal.Password,
-                    currentStore.Settings.PayPal.Signature,
-                    currentStore.Settings.PayPal.FastSignupEmail,
-                    currentStore.Settings.PayPal.Mode);
-
-            return new PayPalAPI(APIProfile);
-        }
-
-        private static IAPIProfile CreateAPIProfile(string PayPalUserName, string PayPalPassword, string PayPalSignature,
-            string subject, string mode)
-        {
-            try
-            {
-                var profile = ProfileFactory.createSignatureAPIProfile();
-
-                if (profile != null)
-                {
-                    profile.Environment = mode;
-
-                    EventLog.LogEvent("PayPal Express Get Api", "Getting Environment " + mode,
-                        EventLogSeverity.Information);
-
-                    profile.APIUsername = PayPalUserName;
-                    profile.APIPassword = PayPalPassword;
-                    profile.APISignature = PayPalSignature;
-                    profile.Subject = subject;
-                }
-                else
-                {
-                    EventLog.LogEvent("Paypal API",
-                        "Paypal com.paypal.sdk.profiles.ProfileFactory.CreateAPIProfile has failed.",
-                        EventLogSeverity.Error);
-                }
-                return profile;
-            }
-            catch (Exception ex)
-            {
-                EventLog.LogEvent("PayPal Utilities", ex.Message + " | " + ex.StackTrace, EventLogSeverity.Warning);
-            }
-            return null;
+            return new RestPayPalApi(currentStore.Settings.PayPal.ClienId,
+                currentStore.Settings.PayPal.Secret, currentStore.Settings.PayPal.Mode);
         }
     }
+
+    
 }
\ No newline at end of file
diff --git a/Libraries/Hotcakes.Commerce/app.config b/Libraries/Hotcakes.Commerce/app.config
index bf878282b..bf9b35c1f 100644
--- a/Libraries/Hotcakes.Commerce/app.config
+++ b/Libraries/Hotcakes.Commerce/app.config
@@ -1,28 +1,28 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <configSections>
     <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
-    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false"/>
+    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
   </configSections>
   <connectionStrings>
-    <add name="HccDbContext" connectionString="metadata=res://*/Data.EF.HccDbContext.csdl|res://*/Data.EF.HccDbContext.ssdl|res://*/Data.EF.HccDbContext.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=server;initial catalog=SocialHotcakesDemo_DNN;user id=dnn;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient"/>
+    <add name="HccDbContext" connectionString="metadata=res://*/Data.EF.HccDbContext.csdl|res://*/Data.EF.HccDbContext.ssdl|res://*/Data.EF.HccDbContext.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=server;initial catalog=SocialHotcakesDemo_DNN;user id=dnn;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" />
   </connectionStrings>
   <entityFramework>
     <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
       <parameters>
-        <parameter value="v11.0"/>
+        <parameter value="v11.0" />
       </parameters>
     </defaultConnectionFactory>
     <providers>
-      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer"/>
+      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
     </providers>
   </entityFramework>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
-        <assemblyIdentity name="MiniProfiler" publicKeyToken="b44f9351044011a3" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-3.1.1.140" newVersion="3.1.1.140"/>
+        <assemblyIdentity name="MiniProfiler" publicKeyToken="b44f9351044011a3" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.1.1.140" newVersion="3.1.1.140" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" /></startup></configuration>
diff --git a/Libraries/Hotcakes.Commerce/packages.config b/Libraries/Hotcakes.Commerce/packages.config
index 756907dc3..ff7fbc845 100644
--- a/Libraries/Hotcakes.Commerce/packages.config
+++ b/Libraries/Hotcakes.Commerce/packages.config
@@ -4,4 +4,6 @@
   <package id="log4net" version="1.2.10" targetFramework="net45" />
   <package id="MiniProfiler" version="3.1.1.140" targetFramework="net40" />
   <package id="MiniProfiler.EF6" version="3.0.11" targetFramework="net40" />
+  <package id="PayPalCheckoutSdk" version="1.0.4" targetFramework="net472" />
+  <package id="PayPalHttp" version="1.0.1" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/Libraries/Hotcakes.PaypalWebServices/Hotcakes.PaypalWebServices.csproj b/Libraries/Hotcakes.PaypalWebServices/Hotcakes.PaypalWebServices.csproj
index 0ba44f583..956a133a1 100644
--- a/Libraries/Hotcakes.PaypalWebServices/Hotcakes.PaypalWebServices.csproj
+++ b/Libraries/Hotcakes.PaypalWebServices/Hotcakes.PaypalWebServices.csproj
@@ -64,21 +64,37 @@
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="PayPalCheckoutSdk, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\PayPalCheckoutSdk.1.0.4\lib\netstandard2.0\PayPalCheckoutSdk.dll</HintPath>
+    </Reference>
+    <Reference Include="PayPalHttp-Dotnet, Version=1.0.1.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\PayPalHttp.1.0.1\lib\netstandard2.0\PayPalHttp-Dotnet.dll</HintPath>
+    </Reference>
     <Reference Include="paypal_base, Version=5.6.61.0, Culture=neutral, PublicKeyToken=b37401294aaf5617">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\References\Misc\paypal_base.dll</HintPath>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.ComponentModel.Composition" />
     <Reference Include="System.Core">
       <RequiredTargetFramework>3.5</RequiredTargetFramework>
     </Reference>
     <Reference Include="System.Data" />
+    <Reference Include="System.IO, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\System.IO.4.3.0\lib\net462\System.IO.dll</HintPath>
+      <Private>True</Private>      
+    </Reference>
+    <Reference Include="System.Net.Http, Version=4.1.1.3, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\System.Net.Http.4.3.4\lib\net46\System.Net.Http.dll</HintPath>
+      <Private>True</Private>      
+    </Reference>
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\..\CommonAssemblyInfo.cs">
       <Link>Properties\CommonAssemblyInfo.cs</Link>
     </Compile>
+    <Compile Include="RestPaypalApi.cs" />
     <Compile Include="PaypalAPI.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
@@ -104,6 +120,9 @@
       <Install>true</Install>
     </BootstrapperPackage>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Libraries/Hotcakes.PaypalWebServices/Properties/AssemblyInfo.cs b/Libraries/Hotcakes.PaypalWebServices/Properties/AssemblyInfo.cs
index 615a68a53..c09b8439e 100644
--- a/Libraries/Hotcakes.PaypalWebServices/Properties/AssemblyInfo.cs
+++ b/Libraries/Hotcakes.PaypalWebServices/Properties/AssemblyInfo.cs
@@ -9,4 +9,3 @@
 // The following GUID is for the ID of the typelib if this project is exposed to COM
 [assembly: Guid("2bc855dd-49b7-4d2d-96f9-ef76dd05e945")]
 
-[assembly: AllowPartiallyTrustedCallers()]
\ No newline at end of file
diff --git a/Libraries/Hotcakes.PaypalWebServices/RestPaypalApi.cs b/Libraries/Hotcakes.PaypalWebServices/RestPaypalApi.cs
new file mode 100644
index 000000000..1cc2be1c9
--- /dev/null
+++ b/Libraries/Hotcakes.PaypalWebServices/RestPaypalApi.cs
@@ -0,0 +1,289 @@
+#region License
+
+// Distributed under the MIT License
+// ============================================================
+// Copyright (c) 2019 Hotcakes Commerce, LLC
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+// and associated documentation files (the "Software"), to deal in the Software without restriction, 
+// including without limitation the rights to use, copy, modify, merge, publish, distribute, 
+// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or 
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
+// THE SOFTWARE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using com.paypal.soap.api;
+using PayPalCheckoutSdk.Core;
+using PayPalCheckoutSdk.Orders;
+using PayPalCheckoutSdk.Payments;
+using PayPalHttp;
+using Capture = PayPalCheckoutSdk.Orders.Capture;
+using LinkDescription = PayPalCheckoutSdk.Orders.LinkDescription;
+using Money = PayPalCheckoutSdk.Orders.Money;
+
+namespace Hotcakes.PaypalWebServices
+{
+    /// <summary>
+    ///     Summary description for PayPalAPI.
+    /// </summary>
+    [Serializable]
+    public class RestPayPalApi
+    {
+        private string clientId; 
+        private string secret; 
+        private string mode;
+        private const string PAYPAL_SANDBOX_MODE = "Sandbox";
+        private const string REQUEST_RETURN_TYPE = "return=representation";
+
+        public RestPayPalApi(string clientId, string secret, string mode)
+        {
+            this.clientId = clientId;
+            this.secret = secret;
+            this.mode = mode;
+        }
+
+        public HttpClient client()
+        {
+            PayPalEnvironment environment;
+            
+            if (mode == PAYPAL_SANDBOX_MODE)
+            {
+                // Creating a sandbox environment
+                environment = new SandboxEnvironment(clientId, secret);
+            }
+            else
+            {
+                // Creating a sandbox live environment
+                environment = new LiveEnvironment(clientId, secret);
+            }
+            
+            // Creating a client for the environment
+            PayPalHttpClient client = new PayPalHttpClient(environment);
+
+            return client;
+        }
+
+        public async Task<HttpResponse> createOrder(PaymentDetailsItemType[] itemsDetails,
+            string itemsTotal, string taxTotal, string shippingTotal,
+            string orderTotal, string returnURL, string cancelURL, string paymentAction,
+            string currencyCodeType, SolutionTypeType solutionType, string name,
+            string countryISOCode, string street1, string street2, string city, string region, string postalCode,
+            string phone, string invoiceId, bool isNonShipping)
+        {
+            HttpResponse response;
+            // Construct a request object and set desired parameters
+            // Here, OrdersCreateRequest() creates a POST request to /v2/checkout/orders
+            OrderRequest order = new OrderRequest()
+            {
+                CheckoutPaymentIntent = paymentAction,
+
+                ApplicationContext = new ApplicationContext
+                {
+                    CancelUrl = cancelURL,
+                    ReturnUrl = returnURL,
+                },
+                PurchaseUnits = new List<PurchaseUnitRequest>
+                    {
+                        new PurchaseUnitRequest
+                        {
+                            InvoiceId = invoiceId,
+                            AmountWithBreakdown = new AmountWithBreakdown
+                            {
+                                CurrencyCode = currencyCodeType,
+                                Value = orderTotal,
+                                AmountBreakdown = new AmountBreakdown
+                                {
+                                    ItemTotal = new Money
+                                    {
+                                        CurrencyCode = currencyCodeType,
+                                        Value = itemsTotal
+                                    },
+                                    Shipping = new Money
+                                    {
+                                        CurrencyCode = currencyCodeType,
+                                        Value = shippingTotal
+                                    },
+                                    TaxTotal = new Money
+                                    {
+                                        CurrencyCode = currencyCodeType,
+                                        Value = taxTotal
+                                    },
+                                }
+                            },
+                            ShippingDetail = new ShippingDetail
+                            {
+                                Name = new Name
+                                {
+                                    FullName = name
+                                },
+                                AddressPortable = new AddressPortable
+                                {
+                                    AddressLine1 = street1,
+                                    AddressLine2 = street2,
+                                    AdminArea2 = city,
+                                    AdminArea1 = region,
+                                    PostalCode = postalCode,
+                                    CountryCode = countryISOCode,
+                                }
+                            }
+                        }
+                    }
+            };
+
+            var request = new OrdersCreateRequest();
+            request.Prefer(REQUEST_RETURN_TYPE);
+            request.RequestBody(order);
+            response = await client().Execute(request);
+
+            return response;
+        }
+
+
+        public async Task<HttpResponse> createOrder(PaymentDetailsItemType[] itemsDetails,
+            string itemsTotal, string taxTotal, string orderTotal,
+            string returnURL, string cancelURL, string paymentAction, string currencyCodeType,
+            SolutionTypeType solutionType, string invoiceId, bool isNonShipping)
+        {
+
+            HttpResponse response;
+            // Construct a request object and set desired parameters
+            // Here, OrdersCreateRequest() creates a POST request to /v2/checkout/orders
+            OrderRequest order = new OrderRequest()
+            {
+                CheckoutPaymentIntent = paymentAction,
+                
+                ApplicationContext = new ApplicationContext
+                {
+                    CancelUrl = cancelURL,
+                    ReturnUrl = returnURL,
+                },
+                PurchaseUnits = new List<PurchaseUnitRequest>
+                {
+                    new PurchaseUnitRequest()
+                    {
+                        InvoiceId = invoiceId,
+                        AmountWithBreakdown = new AmountWithBreakdown()
+                        {
+                            CurrencyCode = currencyCodeType,
+                            Value = orderTotal,
+                            AmountBreakdown = new AmountBreakdown()
+                            {
+                                ItemTotal = new Money
+                                {
+                                    CurrencyCode = currencyCodeType,
+                                    Value = itemsTotal
+                                },
+                                TaxTotal = new Money
+                                {
+                                    CurrencyCode = currencyCodeType,
+                                    Value = taxTotal
+                                },
+                            }
+                        }
+                    }
+                }
+            };
+
+            // Call API with your client and get a response for your call
+            var request = new OrdersCreateRequest();
+            request.Prefer(REQUEST_RETURN_TYPE);
+            request.RequestBody(order);
+            response = await client().Execute(request);
+
+            return response;
+        }
+
+
+        public async Task<HttpResponse> GetOrder(string orderId)
+        {
+            OrdersGetRequest request = new OrdersGetRequest(orderId);
+            var response = await client().Execute(request);
+            return response;
+        }
+
+        public async Task<HttpResponse> CaptureOrder(string orderId)
+        {
+            var request = new OrdersCaptureRequest(orderId);
+            request.Prefer(REQUEST_RETURN_TYPE);
+            request.RequestBody(new OrderActionRequest());
+            var response = await client().Execute(request);
+            var result = response.Result<Order>();
+            
+            return response;
+        }
+
+        public async Task<HttpResponse> AuthorizeOrder(string orderId)
+        {
+            var request = new OrdersAuthorizeRequest(orderId);
+            request.Prefer(REQUEST_RETURN_TYPE);
+            request.RequestBody(new AuthorizeRequest());
+            var response = await client().Execute(request);
+            
+            return response;
+        }
+
+        public async Task<HttpResponse> CaptureAuthorizedOrder(string AuthorizationId,string value,
+            string currencyId, string invoiceId)
+        {
+            var capture = new CaptureRequest
+            {
+                Amount = new PayPalCheckoutSdk.Payments.Money()
+                {
+                    Value = value,
+                    CurrencyCode = currencyId
+                },
+                InvoiceId = invoiceId,
+            };
+            var request = new AuthorizationsCaptureRequest(AuthorizationId);
+            request.Prefer(REQUEST_RETURN_TYPE);
+            request.RequestBody(capture);
+            var response = await client().Execute(request);
+            var result = response.Result<PayPalCheckoutSdk.Payments.Capture>();
+
+            return response;
+        }
+
+
+        public async Task<HttpResponse> CapturesRefund(string CaptureId, string amount,
+            string storeCurrency)
+        {
+            var request = new CapturesRefundRequest(CaptureId);
+            request.Prefer(REQUEST_RETURN_TYPE);
+            RefundRequest refundRequest = new RefundRequest()
+            {
+                Amount = new PayPalCheckoutSdk.Payments.Money()
+                {
+                    Value = amount,
+                    CurrencyCode = storeCurrency
+                }
+            };
+            request.RequestBody(refundRequest);
+            var response = await client().Execute(request);
+
+            return response;
+        }
+
+
+        public async Task<HttpResponse> VoidAuthorizedPayment(string AuthorizationId)
+        {
+            var request = new AuthorizationsVoidRequest(AuthorizationId);
+            var response = await client().Execute(request);
+            return response;
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/Libraries/Hotcakes.PaypalWebServices/packages.config b/Libraries/Hotcakes.PaypalWebServices/packages.config
new file mode 100644
index 000000000..ad61b7db6
--- /dev/null
+++ b/Libraries/Hotcakes.PaypalWebServices/packages.config
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="PayPalCheckoutSdk" version="1.0.4" targetFramework="net472" />
+  <package id="PayPalHttp" version="1.0.1" targetFramework="net472" />
+  <package id="System.IO" version="4.3.0" targetFramework="net472" />
+  <package id="System.Net.Http" version="4.3.4" targetFramework="net472" />
+  <package id="System.Runtime" version="4.3.0" targetFramework="net472" />
+  <package id="System.Security.Cryptography.Algorithms" version="4.3.0" targetFramework="net472" />
+  <package id="System.Security.Cryptography.Encoding" version="4.3.0" targetFramework="net472" />
+  <package id="System.Security.Cryptography.Primitives" version="4.3.0" targetFramework="net472" />
+  <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net472" />
+</packages>
\ No newline at end of file
diff --git a/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/App_LocalResources/Edit.ascx.resx b/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/App_LocalResources/Edit.ascx.resx
index 7d51a51f2..cf5cfaacb 100644
--- a/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/App_LocalResources/Edit.ascx.resx
+++ b/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/App_LocalResources/Edit.ascx.resx
@@ -117,14 +117,12 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <data name="APIPassword.Text" xml:space="preserve">
-    <value>API Password</value>
+  
+  <data name="APIClientId.Text" xml:space="preserve">
+    <value>API Client Id</value>
   </data>
-  <data name="APISignature.Text" xml:space="preserve">
-    <value>API Signature</value>
-  </data>
-  <data name="APIUsername.Text" xml:space="preserve">
-    <value>API Username</value>
+  <data name="APISecret.Text" xml:space="preserve">
+    <value>API Secret</value>
   </data>
   <data name="CaptureMode.Text" xml:space="preserve">
     <value>Capture Mode</value>
@@ -150,14 +148,11 @@
   <data name="ProductionMode.Text" xml:space="preserve">
     <value>Production Mode</value>
   </data>
-  <data name="rfvPassword.Text" xml:space="preserve">
-    <value>API Password is required</value>
-  </data>
-  <data name="rfvSignature.Text" xml:space="preserve">
-    <value>API Signature is required</value>
+  <data name="rfvClientId.Text" xml:space="preserve">
+    <value>API Client ID is required</value>
   </data>
-  <data name="rfvUsername.Text" xml:space="preserve">
-    <value>API Username is required</value>
+  <data name="rfvSecret.Text" xml:space="preserve">
+    <value>API Secret is required</value>
   </data>
   <data name="SandboxMode.Text" xml:space="preserve">
     <value>Sandbox Mode (for testing)</value>
diff --git a/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx b/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx
index e0b50f75a..88929e17f 100644
--- a/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx
+++ b/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx
@@ -15,14 +15,9 @@
 <div class="hcColumnLeft" style="width: 50%;">
     <div class="hcForm">
         <div class="hcFormItem">
-            <asp:Label runat="server" resourcekey="APIUsername" CssClass="hcLabel" />
-            <asp:TextBox ID="txtUsername" runat="server" />
-            <asp:RequiredFieldValidator ID="rfvUsername" runat="server" resourcekey="rfvUsername" ControlToValidate="txtUsername" Display="Dynamic" CssClass="hcFormError" />
-        </div>
-        <div class="hcFormItem">
-            <asp:Label runat="server" resourcekey="APIPassword" CssClass="hcLabel" />
-            <asp:TextBox ID="txtPassword" runat="server" />
-            <asp:RequiredFieldValidator ID="rfvPassword" runat="server" resourcekey="rfvPassword" ControlToValidate="txtPassword" Display="Dynamic" CssClass="hcFormError" />
+            <asp:Label runat="server" resourcekey="APIClientId" CssClass="hcLabel" />
+            <asp:TextBox ID="txtClientId" runat="server" />
+            <asp:RequiredFieldValidator ID="rfvClientId" runat="server" resourcekey="rfvClientId" ControlToValidate="txtClientId" Display="Dynamic" CssClass="hcFormError" />
         </div>
         <div class="hcFormItem">
             <asp:Label runat="server" CssClass="hcLabel">
@@ -44,13 +39,9 @@
 <div class="hcColumnRight" style="width: 50%;">
     <div class="hcForm">
         <div class="hcFormItem">
-            <asp:Label runat="server" resourcekey="APISignature" CssClass="hcLabel" />
-            <asp:TextBox ID="txtSignature" runat="server" />
-            <asp:RequiredFieldValidator ID="rfvSignature" runat="server" resourcekey="rfvSignature" ControlToValidate="txtSignature" Display="Dynamic" CssClass="hcFormError" />
-        </div>
-        <div class="hcFormItem">
-            <asp:Label runat="server" resourcekey="PayPalFastSignupEmail" CssClass="hcLabel" />
-            <asp:TextBox ID="txtPayPalFastSignupEmail" runat="server" />
+            <asp:Label runat="server" resourcekey="APISecret" CssClass="hcLabel" />
+            <asp:TextBox ID="txtSecret" runat="server" />
+            <asp:RequiredFieldValidator ID="rfvSecret" runat="server" resourcekey="rfvSecret" ControlToValidate="txtSecret" Display="Dynamic" CssClass="hcFormError" />
         </div>
         <div class="hcFormItem">
             <asp:Label runat="server" resourcekey="CaptureMode" CssClass="hcLabel" />
diff --git a/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx.cs b/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx.cs
index 47d060039..f4b2bf547 100644
--- a/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx.cs
+++ b/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx.cs
@@ -45,10 +45,8 @@ public override void LoadData()
 
             lstMode.SelectedValue = HccApp.CurrentStore.Settings.PayPal.Mode;
 
-            txtUsername.Text = HccApp.CurrentStore.Settings.PayPal.UserName;
-            txtPassword.Text = HccApp.CurrentStore.Settings.PayPal.Password;
-            txtSignature.Text = HccApp.CurrentStore.Settings.PayPal.Signature;
-            txtPayPalFastSignupEmail.Text = HccApp.CurrentStore.Settings.PayPal.FastSignupEmail;
+            txtClientId.Text = HccApp.CurrentStore.Settings.PayPal.ClienId;
+            txtSecret.Text = HccApp.CurrentStore.Settings.PayPal.Secret;
 
             var authorizeOnly = HccApp.CurrentStore.Settings.PayPal.ExpressAuthorizeOnly;
             lstCaptureMode.SelectedValue = authorizeOnly ? "1" : "0";
@@ -62,10 +60,8 @@ public override void SaveData()
         {
             HccApp.CurrentStore.Settings.PayPal.Mode = lstMode.SelectedValue;
 
-            HccApp.CurrentStore.Settings.PayPal.UserName = txtUsername.Text.Trim();
-            HccApp.CurrentStore.Settings.PayPal.Password = txtPassword.Text.Trim();
-            HccApp.CurrentStore.Settings.PayPal.Signature = txtSignature.Text.Trim();
-            HccApp.CurrentStore.Settings.PayPal.FastSignupEmail = txtPayPalFastSignupEmail.Text.Trim();
+            HccApp.CurrentStore.Settings.PayPal.ClienId = txtClientId.Text.Trim();
+            HccApp.CurrentStore.Settings.PayPal.Secret = txtSecret.Text.Trim();
 
             var authorizeOnly = lstCaptureMode.SelectedValue == "1";
             HccApp.CurrentStore.Settings.PayPal.ExpressAuthorizeOnly = authorizeOnly;
diff --git a/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx.designer.cs b/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx.designer.cs
index 575f71d7f..742513d79 100644
--- a/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx.designer.cs
+++ b/Website/DesktopModules/Hotcakes/Core/Admin/Parts/PaymentMethods/PaypalExpress/Edit.ascx.designer.cs
@@ -7,20 +7,13 @@
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-namespace Hotcakes.Modules.Core.Modules.PaymentMethods.PaypalExpress {
-    
-    
-    public partial class Edit {
-        
-        /// <summary>
-        /// divLicenseCheck control.
-        /// </summary>
-        /// <remarks>
-        /// Auto-generated field.
-        /// To modify move field declaration from designer file to code-behind file.
-        /// </remarks>
-        protected global::System.Web.UI.HtmlControls.HtmlGenericControl divLicenseCheck;
-        
+namespace Hotcakes.Modules.Core.Modules.PaymentMethods.PaypalExpress
+{
+
+
+    public partial class Edit
+    {
+
         /// <summary>
         /// lstMode control.
         /// </summary>
@@ -29,43 +22,25 @@ public partial class Edit {
         /// To modify move field declaration from designer file to code-behind file.
         /// </remarks>
         protected global::System.Web.UI.WebControls.RadioButtonList lstMode;
-        
-        /// <summary>
-        /// txtUsername control.
-        /// </summary>
-        /// <remarks>
-        /// Auto-generated field.
-        /// To modify move field declaration from designer file to code-behind file.
-        /// </remarks>
-        protected global::System.Web.UI.WebControls.TextBox txtUsername;
-        
-        /// <summary>
-        /// rfvUsername control.
-        /// </summary>
-        /// <remarks>
-        /// Auto-generated field.
-        /// To modify move field declaration from designer file to code-behind file.
-        /// </remarks>
-        protected global::System.Web.UI.WebControls.RequiredFieldValidator rfvUsername;
-        
+
         /// <summary>
-        /// txtPassword control.
+        /// txtClientId control.
         /// </summary>
         /// <remarks>
         /// Auto-generated field.
         /// To modify move field declaration from designer file to code-behind file.
         /// </remarks>
-        protected global::System.Web.UI.WebControls.TextBox txtPassword;
-        
+        protected global::System.Web.UI.WebControls.TextBox txtClientId;
+
         /// <summary>
-        /// rfvPassword control.
+        /// rfvClientId control.
         /// </summary>
         /// <remarks>
         /// Auto-generated field.
         /// To modify move field declaration from designer file to code-behind file.
         /// </remarks>
-        protected global::System.Web.UI.WebControls.RequiredFieldValidator rfvPassword;
-        
+        protected global::System.Web.UI.WebControls.RequiredFieldValidator rfvClientId;
+
         /// <summary>
         /// ddlCurrency control.
         /// </summary>
@@ -74,7 +49,7 @@ public partial class Edit {
         /// To modify move field declaration from designer file to code-behind file.
         /// </remarks>
         protected global::System.Web.UI.WebControls.DropDownList ddlCurrency;
-        
+
         /// <summary>
         /// chkUnconfirmedAddress control.
         /// </summary>
@@ -83,7 +58,7 @@ public partial class Edit {
         /// To modify move field declaration from designer file to code-behind file.
         /// </remarks>
         protected global::System.Web.UI.WebControls.CheckBox chkUnconfirmedAddress;
-        
+
         /// <summary>
         /// chkRequirePayPalAccount control.
         /// </summary>
@@ -92,34 +67,25 @@ public partial class Edit {
         /// To modify move field declaration from designer file to code-behind file.
         /// </remarks>
         protected global::System.Web.UI.WebControls.CheckBox chkRequirePayPalAccount;
-        
-        /// <summary>
-        /// txtSignature control.
-        /// </summary>
-        /// <remarks>
-        /// Auto-generated field.
-        /// To modify move field declaration from designer file to code-behind file.
-        /// </remarks>
-        protected global::System.Web.UI.WebControls.TextBox txtSignature;
-        
+
         /// <summary>
-        /// rfvSignature control.
+        /// txtSecret control.
         /// </summary>
         /// <remarks>
         /// Auto-generated field.
         /// To modify move field declaration from designer file to code-behind file.
         /// </remarks>
-        protected global::System.Web.UI.WebControls.RequiredFieldValidator rfvSignature;
-        
+        protected global::System.Web.UI.WebControls.TextBox txtSecret;
+
         /// <summary>
-        /// txtPayPalFastSignupEmail control.
+        /// rfvSecret control.
         /// </summary>
         /// <remarks>
         /// Auto-generated field.
         /// To modify move field declaration from designer file to code-behind file.
         /// </remarks>
-        protected global::System.Web.UI.WebControls.TextBox txtPayPalFastSignupEmail;
-        
+        protected global::System.Web.UI.WebControls.RequiredFieldValidator rfvSecret;
+
         /// <summary>
         /// lstCaptureMode control.
         /// </summary>
diff --git a/Website/DesktopModules/Hotcakes/Core/Controllers/PayPalExpressCheckoutController.cs b/Website/DesktopModules/Hotcakes/Core/Controllers/PayPalExpressCheckoutController.cs
index 37d03f0e6..8b2f9e80c 100644
--- a/Website/DesktopModules/Hotcakes/Core/Controllers/PayPalExpressCheckoutController.cs
+++ b/Website/DesktopModules/Hotcakes/Core/Controllers/PayPalExpressCheckoutController.cs
@@ -24,6 +24,7 @@
 #endregion
 
 using System;
+using System.Net;
 using System.Web.Mvc;
 using com.paypal.soap.api;
 using Hotcakes.Commerce;
@@ -39,6 +40,9 @@
 using Hotcakes.PaypalWebServices;
 using Hotcakes.Web.Logging;
 using Hotcakes.Web.Validation;
+using PayPalCheckoutSdk.Core;
+using PayPalCheckoutSdk.Orders;
+using Order = PayPalCheckoutSdk.Orders.Order;
 
 namespace Hotcakes.Modules.Core.Controllers
 {
@@ -123,9 +127,9 @@ private void DisplayPaypalExpressMode(CheckoutViewModel model)
             model.PayPalToken = Request.QueryString["token"] ?? string.Empty;
             model.PayPalPayerId = Request.QueryString["payerId"] ?? string.Empty;
 
-            var ppAPI = PaypalExpressUtilities.GetPaypalAPI(HccApp.CurrentStore);
+            var ppAPI = PaypalExpressUtilities.GetRestPaypalAPI(HccApp.CurrentStore);
             var failed = false;
-            GetExpressCheckoutDetailsResponseType ppResponse = null;
+            PayPalHttp.HttpResponse ppResponse = null;
             try
             {
                 if (!GetExpressCheckoutDetails(ppAPI, ref ppResponse, model))
@@ -133,13 +137,6 @@ private void DisplayPaypalExpressMode(CheckoutViewModel model)
                     failed = true;
                     EventLog.LogEvent("Paypal Express Checkout",
                         "GetExpressCheckoutDetails call failed. Detailed Errors will follow. ", EventLogSeverity.Error);
-                    foreach (var ppError in ppResponse.Errors)
-                    {
-                        EventLog.LogEvent("Paypal error number: " + ppError.ErrorCode,
-                            "Paypal Error: '" + ppError.ShortMessage + "' Message: '" + ppError.LongMessage + "' " +
-                            " Values passed to GetExpressCheckoutDetails: Token: " + model.PayPalToken,
-                            EventLogSeverity.Error);
-                    }
                     FlashFailure(Localization.GetString("ErrorOccured"));
                     ViewBag.HideCheckout = true;
                 }
@@ -151,53 +148,52 @@ private void DisplayPaypalExpressMode(CheckoutViewModel model)
                 o.CustomProperties.Add("hcc", "PayerID", Request.QueryString["PayerID"]);
                 if (!failed)
                 {
-                    if (ppResponse != null && ppResponse.GetExpressCheckoutDetailsResponseDetails != null &&
-                        ppResponse.GetExpressCheckoutDetailsResponseDetails.PayerInfo != null)
+                    if (ppResponse != null && ppResponse != null &&
+                        ppResponse.Result<Order>().Payer != null)
                     {
-                        o.UserEmail = ppResponse.GetExpressCheckoutDetailsResponseDetails.PayerInfo.Payer;
-                        if (string.IsNullOrEmpty(o.ShippingAddress.Phone))
-                        {
-                            o.ShippingAddress.Phone =
-                                ppResponse.GetExpressCheckoutDetailsResponseDetails.ContactPhone ?? string.Empty;
-                        }
+                        o.UserEmail = ppResponse.Result<Order>().Payer.Email;
                     }
                 }
                 HccApp.OrderServices.Orders.Update(o);
             }
         }
 
-        private bool GetExpressCheckoutDetails(PayPalAPI ppAPI, ref GetExpressCheckoutDetailsResponseType ppResponse,
+        private bool GetExpressCheckoutDetails(RestPayPalApi ppAPI, ref PayPalHttp.HttpResponse ppResponse,
             CheckoutViewModel model)
-        {
-            ppResponse = ppAPI.GetExpressCheckoutDetails(Request.QueryString["token"]);
-            if (ppResponse.Ack == AckCodeType.Success || ppResponse.Ack == AckCodeType.SuccessWithWarning)
+        {//
+            ppResponse = System.Threading.Tasks.Task.Run(() => ppAPI.GetOrder(Request.QueryString["token"])).GetAwaiter().GetResult();
+            if (ppResponse.StatusCode == HttpStatusCode.OK)
             {
-                var payerInfo = ppResponse.GetExpressCheckoutDetailsResponseDetails.PayerInfo;
-                var country = HccApp.GlobalizationServices.Countries.FindByISOCode(payerInfo.Address.Country.ToString());
-                model.CurrentOrder.UserEmail = payerInfo.Payer;
+                var paypalOrder = ppResponse.Result<Order>();
+                var payerInfo = paypalOrder.Payer;
+                var purchaseUnits = paypalOrder.PurchaseUnits;
+                var country = HccApp.GlobalizationServices.Countries.FindByISOCode(payerInfo.AddressPortable.CountryCode.ToString());
+                model.CurrentOrder.UserEmail = payerInfo.Email;
 
                 if (model.CurrentOrder.HasShippingItems)
                 {
-                    model.CurrentOrder.ShippingAddress.FirstName = payerInfo.PayerName.FirstName;
-                    model.CurrentOrder.ShippingAddress.LastName = payerInfo.PayerName.LastName;
+                    model.CurrentOrder.ShippingAddress.FirstName = payerInfo.Name.GivenName;
+                    model.CurrentOrder.ShippingAddress.LastName = payerInfo.Name.Surname;
 
-                    model.CurrentOrder.ShippingAddress.Company = payerInfo.PayerBusiness ?? string.Empty;
-                    model.CurrentOrder.ShippingAddress.Line1 = payerInfo.Address.Street1 ?? string.Empty;
-                    model.CurrentOrder.ShippingAddress.Line2 = payerInfo.Address.Street2 ?? string.Empty;
+                    //model.CurrentOrder.ShippingAddress.Company = payerInfo. ?? string.Empty;
+                    model.CurrentOrder.ShippingAddress.Line1 = purchaseUnits[0].ShippingDetail.AddressPortable.AddressLine1 ?? string.Empty;
+                    model.CurrentOrder.ShippingAddress.Line2 = purchaseUnits[0].ShippingDetail.AddressPortable.AddressLine2 ?? string.Empty;
                     model.CurrentOrder.ShippingAddress.CountryBvin = country.Bvin ?? string.Empty;
-                    model.CurrentOrder.ShippingAddress.City = payerInfo.Address.CityName ?? string.Empty;
-                    model.CurrentOrder.ShippingAddress.RegionBvin = payerInfo.Address.StateOrProvince ?? string.Empty;
-                    model.CurrentOrder.ShippingAddress.PostalCode = payerInfo.Address.PostalCode ?? string.Empty;
-                    model.CurrentOrder.ShippingAddress.Phone = payerInfo.Address.Phone ?? string.Empty;
-
-                    if (payerInfo.Address.AddressStatus == AddressStatusCodeType.Confirmed)
-                    {
-                        ViewBag.AddressStatus = Localization.GetString("Confirmed");
-                    }
-                    else
-                    {
-                        ViewBag.AddressStatus = Localization.GetString("Unconfirmed");
-                    }
+                    model.CurrentOrder.ShippingAddress.City = purchaseUnits[0].ShippingDetail.AddressPortable.AdminArea1 ?? string.Empty;
+                    //model.CurrentOrder.ShippingAddress.RegionBvin = payerInfo.Address.StateOrProvince ?? string.Empty;
+                    model.CurrentOrder.ShippingAddress.PostalCode = purchaseUnits[0].ShippingDetail.AddressPortable.PostalCode ?? string.Empty;
+                    //model.CurrentOrder.ShippingAddress.Phone = purchaseUnits[0].ShippingDetail.AddressPortable.AddressLine3 ?? string.Empty;
+                    model.CurrentOrder.ThirdPartyOrderId = paypalOrder.Id;
+
+                    model.CurrentOrder.BillingAddress.FirstName = payerInfo.Name.GivenName;
+                    model.CurrentOrder.BillingAddress.LastName = payerInfo.Name.Surname;
+                    model.CurrentOrder.BillingAddress.Line1 = payerInfo.AddressPortable.AddressLine1 ?? string.Empty;
+                    model.CurrentOrder.BillingAddress.Line2 = payerInfo.AddressPortable.AdminArea2 ?? string.Empty;
+                    model.CurrentOrder.BillingAddress.CountryBvin = country.Bvin ?? string.Empty;
+                    model.CurrentOrder.BillingAddress.City = payerInfo.AddressPortable.AdminArea1 ?? string.Empty;
+                    model.CurrentOrder.BillingAddress.PostalCode = payerInfo.AddressPortable.PostalCode ?? string.Empty;
+
+                    ViewBag.AddressStatus = Localization.GetString("Confirmed");
                 }
                 return true;
             }
@@ -222,7 +218,7 @@ private void LoadValuesFromForm(CheckoutViewModel model)
             LoadShippingMethodsForOrder(o);
         }
 
-        private void LoadShippingMethodsForOrder(Order o)
+        private void LoadShippingMethodsForOrder(Hotcakes.Commerce.Orders.Order  o)
         {
             var rates = HccApp.OrderServices.FindAvailableShippingRates(o);
 
diff --git a/Website/DesktopModules/Hotcakes/Hotcakes.Modules.csproj b/Website/DesktopModules/Hotcakes/Hotcakes.Modules.csproj
index 15fa2dd80..f86c8a49f 100644
--- a/Website/DesktopModules/Hotcakes/Hotcakes.Modules.csproj
+++ b/Website/DesktopModules/Hotcakes/Hotcakes.Modules.csproj
@@ -125,6 +125,12 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\References\Dnn\Newtonsoft.Json.dll</HintPath>
     </Reference>
+    <Reference Include="PayPalCheckoutSdk, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\PayPalCheckoutSdk.1.0.4\lib\netstandard2.0\PayPalCheckoutSdk.dll</HintPath>
+    </Reference>
+    <Reference Include="PayPalHttp-Dotnet, Version=1.0.1.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\PayPalHttp.1.0.1\lib\netstandard2.0\PayPalHttp-Dotnet.dll</HintPath>
+    </Reference>
     <Reference Include="paypal_base">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\References\Misc\paypal_base.dll</HintPath>
@@ -986,7 +992,9 @@
     <Content Include="Core\Admin\Parts\CreditCardGateways\PayLeap\App_LocalResources\Edit.ascx.resx" />
     <Content Include="Core\Admin\Parts\CreditCardGateways\PayPal Payments Pro\App_LocalResources\Edit.ascx.resx" />
     <Content Include="Core\Admin\Parts\CreditCardGateways\Authorize.Net\App_LocalResources\Edit.ascx.resx" />
-    <Content Include="Core\Admin\Parts\PaymentMethods\PaypalExpress\App_LocalResources\Edit.ascx.resx" />
+    <Content Include="Core\Admin\Parts\PaymentMethods\PaypalExpress\App_LocalResources\Edit.ascx.resx">
+      <SubType>Designer</SubType>
+    </Content>
     <Content Include="Core\Admin\Parts\ShippingZones\App_LocalResources\Edit.ascx.resx" />
     <Content Include="Core\Admin\Parts\PaymentMethods\CreditCard\App_LocalResources\Edit.ascx.resx" />
     <Content Include="Core\Admin\People\App_LocalResources\Vendors.aspx.resx" />
diff --git a/Website/DesktopModules/Hotcakes/packages.config b/Website/DesktopModules/Hotcakes/packages.config
index fcc127dd8..a769c037d 100644
--- a/Website/DesktopModules/Hotcakes/packages.config
+++ b/Website/DesktopModules/Hotcakes/packages.config
@@ -11,4 +11,6 @@
   <package id="Modernizr" version="2.5.3" />
   <package id="MSBuild.Microsoft.VisualStudio.Web.targets" version="14.0.0.3" targetFramework="net451" />
   <package id="MSBuildTasks" version="1.5.0.235" targetFramework="net451" developmentDependency="true" />
+  <package id="PayPalCheckoutSdk" version="1.0.4" targetFramework="net472" />
+  <package id="PayPalHttp" version="1.0.1" targetFramework="net472" />
 </packages>
\ No newline at end of file