The Zapier integration is currently available by invite only, but can accessed via this link:
Sending Data to Zaius
Once you have accepted the invite you can add the Zaius integration as a an "Action" within Zapier. The integration currently does not support any "Trigger" steps within Zapier.
Once you choose the Zaius app, you can select the correct Action from one of the supported.
Authentication with Zapier
When presented with the authentication
You will need your Private API Key from Zaius, which can be found here: