Yes, Firebelly Tea does offer a site-wide discount code. Customers can get an instant 20% off storewide discount code when they join Firebelly Tea's email newsletter. Additionally, there are other discount codes available such as a 15% off store-wide coupon code and a $5 off site-wide coupon code. Please note that these offers may vary and it's recommended to check the Firebelly Tea website for the most current deals.