A purchase of a hot coffee at participating locations will result in one hot coffee for free on Sept. 29 . The Canton, Mass.-based chain has more than 12,000 locations worldwide.

Dunkin’ is also teaming up with beauty brand Dove to offer the chance to win a year’s supply of Dunkin’ coffee and Dove dry shampoo. Contest winners will be selected November 8. Additionally, there will a pop-up styling cafe on October 1 in New York City with merchandise from the collaboration.

Espresso martinis are on the menu at this New York restaurant. The drink also includes vanilla vodka and simple syrup.

The Austin-based cupcake chain is giving away High Brew Coffee on Sept. 29, at the 20 locations that already sell the cold brew in a can.

The Miami, Fla.-based chain has a Spiked Pumpkin Spice Cold Brew, a cocktail featuring spiced rum and RumChata, at its more that 35 locations.

The Arizona-based chain will offer free drip coffee at its nine locations with no purchase necessary and half-priced 12-ounce lattes or $2 off iced and chai lattes purchased through its app.

The brand’s three cafes on the West Coast will offer $1 coffee all day. Meanwhile, back East, Bulletproof will offer free coffee all day at Virtual World NYC from 11 a.m. to 3 p.m. and at the intersection of Warren and Greenwich streets in Tribeca from 7 a.m. to 10 a.m.

The Lakewood, Colo.-based chain will give away one free cup of Caribou Coffee in select Los Angeles-area locations.

The Canton, Mass.-based chain will have a small Cappuccino Blast for $2.99 through October 31 in honor of National Coffee Day.

The New York based cafe with two locations is offering a free large coffee with any purchase from 8 a.m. to 10 a.m.

Square and the Specialty Coffee Association have teamed up with the five-unit Brooklyn-based roaster to present a summary of U.S. coffee trends at a pop-up in Soho on Sept. 28 and 29.

Toby’s will also offer $1 espresso shots at all locations and $1 cold brew or drip coffee purchased through its app on Sept. 29.

The New York-based restaurant is partnering with Devoción roasters to give its first 100 customers free hot drip coffee on Sept. 29.

For National Coffee Day, this New York restaurant is offering Irish coffee-flavored boozy milkshake shots, in addition to its classic Rootbeer Float version.

This New York restaurant features a coffee cocktail — a Mai Tai Café infused with coffee syrup —  in addition to manifest and cazadores reposado tequila.

The Pittsburgh restaurant features a Shakerato on the cocktail menu made with espresso, simple syrup, and a choice of amaretto, Sambuca or limoncello.

The five-unit New York chain is offering a spin on Affogato: its signature shaved cream with a shot of espresso.