Whataburger is offering big discounts today only to celebrate its 75th anniversary.

The iconic Texas burger chain is offering its No. 1 Whataburger for 75 cents. That's nearly $5 off the usual price.

The deal is only available through the Whataburger app for rewards members. To take advantage of the deal, you must place a digital order.

The discount starts at 11 a.m. and ends at 8 p.m. Friday.

"Whataburger’s story has always been one about people - the fans who’ve made us part of their everyday moments, the family members who serve every meal with care and pride, and the communities that have welcomed us like family for 75 years,” said Whataburger President and CEO Debbie Stroud.

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