diff --git a/lib/services/medusaCart.service.ts b/lib/services/medusaCart.service.ts
index e91ef65..87efe47 100644
--- a/lib/services/medusaCart.service.ts
+++ b/lib/services/medusaCart.service.ts
@@ -31,8 +31,8 @@ const env = () =>
         .min(1),
     })
     .parse({
-      medusaBackendPublicUrl: 'http://webhook.site:3000',
-      siteUrl: 'http://webhook.site:3000',
+      medusaBackendPublicUrl: process.env.MEDUSA_BACKEND_PUBLIC_URL!,
+      siteUrl: process.env.NEXT_PUBLIC_SITE_URL!,
     });
 
 export async function handleAddToCart({