diff --git a/app.js b/app.js
index 20bbfec..f5eb65c 100644
--- a/app.js
+++ b/app.js
@@ -1029,20 +1029,20 @@ async function loadUserData() {
     if (!res.ok) throw new Error(`HTTP ${res.status}`);
     let data = await res.json();
     dbg("\u2190 User data", data);
-    // unwrap envelope
-    if (data && !Array.isArray(data) && Array.isArray(data.data)) {
-      data = data.data[0];
-    } else if (Array.isArray(data)) {
+    // unwrap envelope: plain array or {data:[...]}
+    if (Array.isArray(data)) {
       const first = data[0];
       data =
         first && typeof first === "object" && "json" in first
           ? first.json
           : first;
+    } else if (data && !Array.isArray(data) && Array.isArray(data.data)) {
+      data = data.data[0];
     }
     if (!data) return;
 
     const invoiceEmail = stripQuotes(
-      data.invoice_email || data.invoiceEmail || "",
+      data.invoice_mail || data.invoice_email || data.invoiceEmail || "",
     );
     const invInput = document.getElementById("invoice-email-input");
     if (invInput && invoiceEmail) invInput.value = invoiceEmail;
@@ -1066,9 +1066,10 @@ async function loadUserData() {
 function copyAffiliateCode() {
   const code = document.getElementById("acct-affiliate-code")?.textContent;
   if (!code || code === "—") return;
+  const link = `https://derez.ai?utm_source=${encodeURIComponent(code)}`;
   navigator.clipboard
-    .writeText(code)
-    .then(() => toast("Affiliate code copied!", "success"));
+    .writeText(link)
+    .then(() => toast("Affiliate link copied!", "success"));
 }
 
 function closeUserPanel() {
diff --git a/index.html b/index.html
index 8d91520..5f73ec3 100644
--- a/index.html
+++ b/index.html
@@ -928,7 +928,7 @@
                                     onclick="copyAffiliateCode()"
                                     style="display: none"
                                 >
-                                    Copy
+                                    Copy Affiliate Link
                                 </button>
                             </div>
                         </div>