The most common Korean word for “vending machine” is 자판기 (japangi). There is one more word with a similar meaning — compare them below. 「vending machine」는 한국어로 자판기.
vending machine
TOPIK 2 · noun
vending machine
TOPIK 2 · noun
Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato
치즈감자