Yes! As of October 25th, 2017, Bento has started supporting international transactions. Your Bento card will now work anywhere Mastercard is accepted.
Please keep in mind, there will be a 3% currency conversion fee for all transactions not made in US Dollars (USD). This means if you choose the option to use USD over a foreign currency at time of purchase, you will not be charged this fee. This currency conversion fee will show up as a separate transaction from your purchase transaction. It will appear in your Transactions and Statements as Foreign Currency Fee and will also appear as a Fee rather than Debit or Credit transaction.