To update your credit card, payment method, or other billing details, just log in to assistant.getwherewolf.com using your primary account credentials (e.g., the username and password you set up the account under).
You can also find this portal under 'Manage My Account' on your dashboard.
On the left-hand side, "Account" will be the second option on the sidebar, below "Home".
Here you can select "Billing" to update your credit card payment details.
If you are seeing or experiencing something different to what was described above, you may be on a different Wherewolf payment plan. Contact email@example.com with any questions or to request further guidance.