The Mid-market exchange rate would be the rate that banks and currency exchange services get when they buy and market currencies like US Dollar and Japanese Yen on wholesale markets. Exchanging your money digitally is often simpler. As an example, here's how you can send out a payment abroad: https://financefeeds.com/copyright-bookings-through-travala-have-made-copyright-pay-their-top-external-payment-method/