diff --git a/app/src/main/java/io/token/sample/Application.java b/app/src/main/java/io/token/sample/Application.java
index fd87d7b..90e2162 100644
--- a/app/src/main/java/io/token/sample/Application.java
+++ b/app/src/main/java/io/token/sample/Application.java
@@ -96,10 +96,11 @@ public static void main(String[] args) throws IOException {
 
             //generate Token Request URL to redirect to
             String tokenRequestUrl = tokenClient.generateTokenRequestUrlBlocking(requestId);
-            //send a 302 Redirect
-            res.status(302);
-            res.redirect(tokenRequestUrl);
-            return null;
+
+            //send a 200 with tokenRequestUrl body
+            res.status(200);
+            res.type("text/plain");
+            return tokenRequestUrl;
         });
 
         Spark.get("/redeem", (req, res) -> {
diff --git a/app/src/main/resources/script.js b/app/src/main/resources/script.js
index 1c99f95..32f5e84 100644
--- a/app/src/main/resources/script.js
+++ b/app/src/main/resources/script.js
@@ -47,14 +47,17 @@ function createPopupButton() {
     // clean up instances
     clean();
 
+    var Token = new window.Token({
+        env: 'sandbox',
+    });
     // create TokenPopupController to handle Popup messages
-    tokenController = window.Token.createPopupController();
+    tokenController = Token.createPopupController();
 
     // get button placeholder element
     var element = document.getElementById(elementId);
 
     // create the button
-    button = window.Token.createTokenButton(element, {
+    button = Token.createTokenButton(element, {
         label: "Popup Token Quick Checkout",
     });
 
@@ -98,16 +101,16 @@ function getTokenRequestUrl(done) {
     var data = $.param({
         merchantId: 'Merchant 123',
         amount: 4.99,
-        currency: 'EUR',
+        currency: 'GBP',
         description: 'Book Purchase',
-        destination: '{"sepa":{"iban":"DE16700222000072880129"}}'
+        destination: '{"fasterPayments":{"sortCode":"123456","accountNumber":"12345678"}}'
      });
 
      // Define what happens on successful data submission
      XHR.addEventListener("load", function(event) {
          // execute callback once response is received
          if (event.target.status === 200) {
-             done(event.target.responseURL);
+             done(event.target.responseText);
          }
      });