diff --git a/src/pages/api/contact.ts b/src/pages/api/contact.ts
index f0c8ce7..bcc3c40 100644
--- a/src/pages/api/contact.ts
+++ b/src/pages/api/contact.ts
@@ -1,10 +1,6 @@
 import type { APIRoute } from 'astro';
 import { Resend } from 'resend';
 
-// Initialize Resend with API key from environment variables
-// IMPORTANT: Set RESEND_API_KEY in your deployment environment (e.g., Cloudflare Pages)
-const resend = new Resend(import.meta.env.RESEND_API_KEY);
-
 // Define the expected structure of the form data
 interface FormData {
   name: string;
@@ -14,6 +10,10 @@ interface FormData {
 }
 
 export const POST: APIRoute = async ({ request }) => {
+  // Initialize Resend inside the handler to access runtime env vars/secrets
+  // IMPORTANT: Set RESEND_API_KEY in your deployment environment (e.g., Cloudflare Pages)
+  const resend = new Resend(import.meta.env.RESEND_API_KEY);
+
   // Check if API key is configured
   if (!import.meta.env.RESEND_API_KEY) {
     console.error("Resend API key is not configured.");
@@ -56,7 +56,7 @@ export const POST: APIRoute = async ({ request }) => {
         <p><strong>Message:</strong></p>
         <p>${data.message.replace(/\n/g, '<br>')}</p>
       `,
-      reply_to: data.email, // Set the reply-to header to the sender's email
+      replyTo: data.email, // Set the reply-to header to the sender's email
     });
 
     if (emailError) {