Yes, SimplyCast is currently available on Zapier through invitation.
You can make zaps that allow you to trigger actions in other applications through adding a new contact, adding a new list, and adding a new contact to a list. You can also trigger actions in SimplyCast from triggers from other applications. Other apps can trigger the SimplyCast app to do the following actions automatically: create a new contact, create a list, modify a list, add a contact to a list, delete a contact, delete a list, and delete a contact from a list.
You have to have a Zapier account to use the SimplyCast zaps - you cannot access it through SimplyCast.