You can modify your personal and payment details in your Billwerk account. If you change your payment method, the new payment method will be used in the next billing period.

• Modify your billing details
• Modify your payment details

Note: For Shopify, please check - How do I modify Koongo subscription? (Shopify)

Modify your billing details

Navigate to My Koongo, log in & select Billing Overview from your Left Menu

Click the Billing Profile button

Modify your payment details

Modify your personal or payment details in your Billwerk account

Select a payment method and fill in the required information. For more info, please check What are available Koongo payment methods?