This repository contains a client-side implementation for accessing REX, the cloud-based augmented reality operating system. You can find more information about REX here.
Just go get it:
go get github.com/breiting/rex
The first thing you have to do is to register for a free REX account.
Once you activated your account, you can simply create an API access token with a ClientId and a ClientSecret.
This that information in your pocket, you can start building your REX-enabled application. An example application is called rx which is a command line tool accessing the REX system.
There is a command line CLI tool called rx which uses this library. Please have a look and fork the project.