Now you can add a U.S. credit card in WeChat Pay, and the first 1,000 in spending each day is fee-free! Key point: New users can use this, and existing users can delete WeChat Pay and then re-register to use it again. Note: it's best to use a secondary WeChat account. Then register and verify with a U.S. phone number + U.S. credit card + passport. See the detailed steps here
You can see the full process by joining 美卡 101 知识星球