How do I invite colleagues to create accounts? Tether Support June 29, 2021 02:22 Updated Login to the web app https://app.tether.co.nz. Navigate to https://app.tether.co.nz/main/manage-users. Click + Invite User blue button on the top right of the screen. Enter the user's email, confirm their role and click Invite User. They will then be sent an email with signup instructions. Comments 0 comments Please sign in to leave a comment.