I have trouble adding my credit card.
Our payment system has a difficult time capturing payments for certain types of cards. It's been our experience that there are two situations where your card's billing address will not match properly:
1. You're using a US-issued credit/debit/prepaid card with an international address.
2. You're using a Canadian credit/debit card with a Canadian address.
Unfortunately, this is an issue with the address verification in our payment system where it cannot properly validate Canadian / international addresses.
If you do have issues adding payment due to the issue above, please contact support.