The setup process is just as simple as 3 steps:

Signup with Brain Tree now

Check your email inbox for the verification email. Once that, login to BrainTree with your new login credentials.  

On the dashboard, scroll down to sandbox keys and configuration. you'll see the configuration details like Merchant ID, Private Key , Public Key etc.

Email all the  details to support ( with your storage name, and we will help you with the final setup process.