The following are the main things to note about cash and credit cards in Japan:

It is generally safer to carry cash with you in Tokyo. You'll need cash to buy bus tickets, museum admission, and eat in small restaurants or shop in small shops. Major credit cards can be used everywhere in Tokyo.

Credit Card Contact:

VISA, Tel: 0120-133-173 (free);

MasterCard, Tel: 5531-6100, Tel: 5531- 6000 (ATM information);

AmericanExpress, Tel: 3220-6100, Tel: 0120-020-020 (free).

Consumption tax: Consumption tax (VAT) is 5, which is usually added at the checkout counter. In some major department stores, you can partially refund the consumption tax (please refer to the tax-free shopping manual).