checkout

CHECKOUT noun

[ C ] uk/ˈtʃekaʊt/ us
B1 (also US checkout counter, us) the place in a large shop, especially a food shop, where you pay for your goods

касса
a supermarket checkout
B1 the place on an Internet website where you order and pay for things

страница оплаты покупок (в интернет-магазине)