diff --git a/README.md b/README.md
index 83efd4b..4ef9523 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ This is a custom Node.js Express server that listens for Shopify `orders/create`
 
 - Node.js (v14 or higher)
 - A Shopify Store
-- An Email Account (e.g., Gmail, SendGrid) to send emails via SMTP.
+- An Email Account (e.g ., Gmail, SendGrid) to send emails via SMTP.
 
 ## Setup
 
diff --git a/mailer.js b/mailer.js
index af8f7f6..85f1de9 100644
--- a/mailer.js
+++ b/mailer.js
@@ -74,6 +74,9 @@ const sendEmailWithAttachment = async (toEmail, orderData, pdfBuffer, shippingLa
 
     // --- 3. Billing Address Details HTML ---
     const billing = orderData.billing_address || {};
+    const whatsappNumber = orderData.note_attributes?.find?.((attr) => attr.name === 'WhatsApp Number')?.value;
+    const contactNumber = billing.phone || orderData.phone;
+
     let billingAddressHtml = '';
     if (billing.first_name || billing.last_name) {
         billingAddressHtml += `${billing.first_name || ''} ${billing.last_name || ''}<br/>`;
@@ -84,8 +87,12 @@ const sendEmailWithAttachment = async (toEmail, orderData, pdfBuffer, shippingLa
         billingAddressHtml += `${billing.city || ''} ${billing.province || ''} ${billing.zip || ''}<br/>`;
     }
     if (billing.country) billingAddressHtml += `${billing.country}<br/>`;
-    if (billing.phone || orderData.phone) {
-        billingAddressHtml += `${billing.phone || orderData.phone}`;
+    if (whatsappNumber) {
+        billingAddressHtml += `WhatsApp: ${whatsappNumber}`;
+    }
+    if (contactNumber) {
+        if (whatsappNumber) billingAddressHtml += `<br/>`;
+        billingAddressHtml += `Contact Number: ${contactNumber}`;
     }
 
     const paymentMethod = orderData.gateway || 'Request Quote';
diff --git a/pdfGenerator.js b/pdfGenerator.js
index 555838a..69b9d7c 100644
--- a/pdfGenerator.js
+++ b/pdfGenerator.js
@@ -132,6 +132,8 @@ const generateInvoicePDF = async (orderData) => {
 
             // Bill To (Left)
             const billing = orderData.billing_address || {};
+            const whatsappNumber = orderData.note_attributes?.find?.((attr) => attr.name === 'WhatsApp Number')?.value;
+
             doc.fontSize(11)
                .font('Helvetica-Bold')
                .fillColor(primaryColor)
@@ -166,8 +168,13 @@ const generateInvoicePDF = async (orderData) => {
                 doc.text(orderData.email || orderData.contact_email, 40, billTextY);
                 billTextY += 13;
             }
+            if (whatsappNumber) {
+                doc.text(`WhatsApp: ${whatsappNumber}`, 40, billTextY);
+                billTextY += 13;
+            }
             if (billing.phone || orderData.phone) {
-                doc.text(billing.phone || orderData.phone, 40, billTextY);
+                doc.text(`Contact Number: ${billing.phone || orderData.phone}`, 40, billTextY);
+                billTextY += 13;
             }
 
             // Order Details (Right)
diff --git a/server.js b/server.js
index 2c13c5d..2a93709 100644
--- a/server.js
+++ b/server.js
@@ -7,7 +7,11 @@ const { generateShippingLabelPDF } = require('./shippingLabelGenerator');
 const { sendEmailWithAttachment } = require('./mailer');
 
 const app = express();
-app.use(cors()); // Allow frontend Shopify store to call this server
+app.use(cors({
+    origin: '*', // Allow all origins (you can restrict this to 'https://rayaarishop.com' in production)
+    methods: ['GET', 'POST', 'OPTIONS', 'PUT', 'PATCH', 'DELETE'],
+    allowedHeaders: ['Origin', 'X-Requested-With', 'Content-Type', 'Accept', 'Authorization', 'X-Shopify-Hmac-Sha256', 'X-Shopify-Access-Token']
+})); // Allow frontend Shopify store to call this server
 const PORT = process.env.PORT || 3000;
 
 // Middleware to capture raw body for Shopify webhook HMAC verification
@@ -208,6 +212,16 @@ app.post('/create-order', async (req, res) => {
             }
         };
 
+        const whatsappNumber = customerData.whatsapp_number || customerData.contact_phone || customerData.contactNumber;
+        if (whatsappNumber) {
+            orderPayload.order.note_attributes = [
+                {
+                    name: 'WhatsApp Number',
+                    value: whatsappNumber
+                }
+            ];
+        }
+
         const shopifyResponse = await fetch(`https://${process.env.SHOPIFY_STORE_DOMAIN}/admin/api/2024-01/orders.json`, {
             method: 'POST',
             headers: {