Anybody familiar with (or use) Serve(.com)

[stevenash]

Serve is a next-generation digital payments platform that helps you organize your money, send and receive funds, and manage payment requests — all from a single, unified online account. Serve makes paying and being paid simple.
Best of all, we're provided by AMX. That means Serve uses AMX security, technologies and data systems, giving you confidence whether you're shopping online or sending money to a friend.

[KKoz9]

I used it a couple years ago...it used to be called Revolution Money Exchange until a few months ago.

Worked well, just like Paypal, including on mobile devices. Surprised it didn't catch on.