The contactless payment service has also begun to be accepted in four other countries; Taiwan, Spain, Brazil, and Canada.
Alipay and WeChat Pay facilitated a total of $2.9 trillion in digital payments in China last year.
US in-store mobile payment volume will reach $75 billion this year, according to a new report.
The number of people using Apple Pay, Android Pay, Samsung Pay and other forms of smartphone payments will top 150 million by the end of the year, according to figures released by Juniper Research.
Payments using a digital wallet are more popular in Asia Pacific than the rest of the world, according to a survey carried out by Mastercard.