Qdoba Mexican Grill Gift Card Qdoba Mexican Grill is a Mexican kitchen where anyone can enjoy a fresh, customizable meal prepared right in front of them from a variety of high-quality and flavorful ingredients. Qdoba's Q-Cash Cards are redeemable at over 600 locations in 42 states and the District of Columbia, where you can find a delicious entre sure to fit your tastes. Redeem at any participating Qdoba location. No returns and no refunds on gift cards.