@RobertDee 

If you are using QBO US version, explore this 3rd party payment service to deal with multi currency transactions.

https://veem.grsm.io/veems

Another option, both of you and/or your vendor may utilize TW as your virtual account. It supports QBO with bank feed and Open Banking complied.

https://prf.hn/l/7gg1NWy

Hope it helps