No, US lawmakers have been actively trying to stop Alipay from having any meaningful presence in the US. They called it a national security threat. It is all over the news.

https://www.ft.com/content/193bbffc-38af-11e7-821a-6027b8a20...

You can probably read some news about Alipay approaching US retailers recently, that is all about 1) providing services to Chinese tourists visiting US, 2) serving Chinese online customers purchasing US products online.