Notifications
You can customize your notifications and the method of receiving them (these notifications have no extra cost):
Click on "My User Settings".
By clicking on the "Notifications" tab, you will be able to modify your notification preferences and choose how to receive them (by SMS, email, or both).
The notifications that can be received are:
Notifications of contact imports from other services.
Payment notifications
Invoice notifications
Low credit alert. In this section, you can also choose the amount at which you want to be notified.