Log in to Tapcast at https://app.tapcast.io. On the installation instructions screen, click “Someone Else Updates It”. Enter the email of the person you would like to invite. Click “Send Invite”.
This person will be sent an email invitation to join your Tapcast account, and will need to accept the invitation by clicking on the link in the invitation email. Once the person creates a Tapcast account, he will need to click “ACCEPT” to be added to your Tapcast account. From there, this person can follow the instructions to manually install the Tapcast SDK on your website.