All of our APIs work off of a prepaid balance. First, you load your account with a predetermined amount of funds between $10 and $5000. With each API call, the system will slowly chip away at your prepaid balance. When the prepaid balance gets low, the system automatically replenishes your balance with the predetermined amount.

To add a prepaid balance, log into your account and click your name at the top > select 'Your Account' from the dropdown menu > under the 'Billing Details' section click 'SWITCH PLAN':

Next, choose the desired prepaid amount: