Wendy's National Hamburger Day: Junior Bacon Cheeseburger for $0.01 with Any Purchase/Order

Offer valid for a limited time only at participating U.S. Wendy’s. Offer must be redeemed in the Wendy’s App or order.wendys.com. Account registration required.

Click on the 'Offers' tab and locate the "Happy Hamburger Day!" offer;
on desktop, click "Use Offer";
in App, select "Use in Mobile Order" or "Use in Restaurant".