We just released a new API method for the JangoMail API which allows you to add a Transactional Group to your account:
Adds a new Transactional Group to your account. Returns a string.
We also recently released 3 other transactional email API methods. These methods allow you to retrieve opens, clicks, unsubscribes, bounces, and complaint statistics for a single transactional email in your account.
Visit api.jangomail.com for a full list of our API methods.