In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

Normally, one discount code is only applied for one offer. However, If the users put a vast of items in their cart, it is easy to use one coupon code to purchase items. It depends on Grubhub's policy, you can contact Grubhub via mail for your reference.

Grubhub can offer international shipping for certain purchases but not all orders. Check out their shipping policy to know if your order can be internationally shipped or not.

Shoppers can get coupons for their first purchase at the store. However, it is not all the time, sometimes, they cannot apply a discount on items selling out or items not contained in the promotion program. It depends on the time you shop at Grubhub.

All deals from Promotion Programs of Grubhub are collected here. For each certain occasion, its coupons will be on the top of the coupon list, and surely they always come with an expiry date.