To send a referral invitation and get billing credit, find the prompt to "Invite Colleagues" on either the web or mobile apps.
On your iPhone there's a button that says "Give $50, Get $50" on the main screen. Follow the steps and invite as many colleagues as you'd like – there's no limit.
On the Web, on the homepage there's a section that says "Invite Colleagues."
You can also email us as well and we'll send invitations for you.