You can provided your issuer has not blocked transactions in your merchant’s country. Its completely dependent on the issuer - again, some issuers blocks it for swipe while they allow for e - commerce. read more
Major credit cards are accepted at all retailers across Canada, with Visa and MasterCard being the most common, but some exceptions include Costco Canada, which only accepts cash or MasterCard and Walmart Canada, which no longer accepts Visa credit cards as of fall 2017. read more