If you need to update your billing information for your CASTANET account, please follow these instructions:


  1. Log into your CASTANET account and use the white circular icon in the top right corner to access your “Account” page. 

  1. Scroll to the “Update your billing information” section. Enter the updated card details, review and agree to the terms of service, and press the blue “Update your credit card” button to save the changes.