Samuel Mlodozeniec | Marketplug ?

Marketplug is a social trading app, that enables users to plug in through their brokerage API's, share trades instantly, view analytics on their accounts and more.

Trading API

Connect and Trade Smart: Introducing Marketplug Live Trade Updates with Alpaca Websockets

The idea behind Marketplug is to help investors find successful investors, follow them, and get their trades instantly.