As of May 2015, Panera Bread does not appear to offer coupons online other than through registration with its MyPanera rewards program, which employs a member card rather than printable coupons. Restaurants as well as retail stores increasingly emphasize loyalty programs over coupons available to the general public.
Joining a company's loyalty program, of course, does not demand loyalty to it over other companies. It simply allows access to benefits based on repeated patronage. However, a Co-CEO of Panera Bread stated in 2012 that the main value of the company's loyalty program is the data each membership provides on an individual customer's behavior and Panera Bread's resulting ability to better target its marketing to that customer.