For a summary of merchants that support WeChat Pay + U.S. (foreign) credit cards, you can jump to my roundup article:

Recently, KUKU noticed that the online pharmacy platform — Yaofangwang Mall — has started supporting foreign credit cards. It still didn’t work last month, so this should have opened up this month.

Yaofangwang Mall is an online pharmacy and medical device sales platform affiliated with major pharmacies. You can buy prescription drugs here (prescription required) as well as over-the-counter medications. It supports ordering via the app and WeChat mini program. If you haven’t registered yet, you can get a ¥20 red envelope through the referral link; you need to register with a mainland China mobile number:

The exchange rate isn’t very good right now, so be sure to use a card with multipliers. Reference: