Managing billing on your Smallstep account is done from the Smallstep Dashboard using the following steps.
- Log into your Smallstep Dashboard and from the bottom-left menu, click, billing and then click View Invoice.
- Add/Manage your payment methods under the Payment Method section.
There must be at least one payment method on file. If you are replacing an existing method with a new one, simply add the new one, and then delete the one that previously existed.