If the above is still correct, interest is charged at 1% per month, based on the credit limit, not the outstanding amount. So the APR might be something between 12.7% (if you borrow the maximum) and ~infinity (if you have a non-negligible limit, but borrow only 0.01 GBP).
https://news.ycombinator.com/item?id=18075506
If the above is still correct, interest is charged at 1% per month, based on the credit limit, not the outstanding amount. So the APR might be something between 12.7% (if you borrow the maximum) and ~infinity (if you have a non-negligible limit, but borrow only 0.01 GBP).