To setup or change your billing details, head to Settings > Billing & Subscriptions > Subscription (or simply click here).Fill in your Name, email address and credit card details from the Billing details section. Click Save when complete. Your details are now up to date.Note: Keypup does not store or process your credit card information. We rely on Stripe to perform these activities for us as a  payment processor. Stripe is PCI DSS Level 1 compliant and offers the highest levels of security.Now you can learn how to check your invoices.