In your FastSpring account you can update your credit card information, double-check the status of your subscriptions, and also download your invoices.
Here you can learn more about the billing and payment process, and where to find your invoices.
All payments are processed via FastSpring, which is under contract with PentestTools SRL to process orders and collect payments worldwide.
See how to perform a bank transfer payment.
Am I eligible for a refund?