Purchasing Portal Credits
To buy portal credits for your account, navigate to the Buy tab > Portal Credits options.
Enter the amount to be added to the portal account and click on Make Payment .
Choose the payment option and click on Review.
After reviewing the purchase summary and payment details, click on the Purchase Button.
Once the payment is successful, you will get a payment confirmation message and the purchased credit will also be updated on the Portal and you will be able to see the Credit Balance by navigating to Billing -> Purchase History -> Credit Usage .