Once customers have the barcode, they can redeem one item per person per transaction.
To celebrate, some restaurant chains will be offering special deals.
Snag a $1 hot dog from Sonic all day!
Get a free hot dog July 18 with DogHaus app download. It does not include jumbo hot dogs, polish sausages or Italian sausages.
Download the myPilot rewards app and you'll get an offer for a free hot dog on Wednesday. National Ice Cream Day was a personal favorite, but that has since come and gone.
Biggest fans: New Yorkers (surprise!) purchase $101 billion hot dogs each year, which is the most of any state.
Ballpark history: Hot dogs are the MVP at Major League Baseball parks and became standard fare in 1983.
Sonic Drive-In: Corn Dogs are 99 cents every day from 2 pm - 4 pm at participating Sonic locations.
Wienerschnitzel: Get five Original Chili Dogs for $5 at participating locations Wednesday.