For the last two weeks different people have been trying to send me money internationally, but it keeps bouncing back to them. These are different people with different banks. I double and tripe checked my details and they are correct.
Has anybody experiences this?
You cannot receive other currency.
Monzo don’t provide you with a number for international transfers, so what are you double and triple checking?
It’s possible to generate/calculate any IBAN.
However, OP, if you see this page you’ll see it says you (or the people sending you money, rather) should be using Wise to make the transfer: