Create an alert that will tell you when your balance is low.
Tremendous recommend creating a low balance notification that will alert you and/or other admins on your team when your balance falls below an amount you set.
To create a low balance notification, sign into your account and then navigate to Billing > Account Balance > Set up low balance notifications:
When you click on "Set up low balance notifications," a list of your account's admins will appear as well as a field to determine what amount should trigger the notification:
We recommend selecting an amount that will allow you a few days to replenish your account before the balance hits zero.