Need to change your payment method for a paid subscription?
1. Navigate to your Substack account Settings at this link: https://substack.com/settings
2. Under Subscriptions, select the publication where you'd like to make a change.
3. In the Payment information section, click on "Edit" next to Payment method.
4. Enter your new card details and click Save.
At this time, there is no option to delete a payment method without replacing it with a new payment method.