diff --git a/frontend/app/api/products/route.ts b/frontend/app/api/products/route.ts
index b37b01b0..c0ca7724 100644
--- a/frontend/app/api/products/route.ts
+++ b/frontend/app/api/products/route.ts
@@ -18,6 +18,9 @@ export async function GET(req: NextRequest) {
 export async function POST(req: NextRequest) {
   const body = await req.json();
   const authHeaders = await getAuthHeaders();
+  // Debug: log auth headers
+  // eslint-disable-next-line no-console
+  console.log('API /api/products POST: authHeaders =', authHeaders);
   const res = await fetch(`${API_BASE}/api/products`, {
     method: 'POST',
     headers: { 'Content-Type': 'application/json', ...authHeaders },