You can configure your Stripe account to send automatic email notifications to your customers when they have a credit card on file that is about to expire. You can enable this feature by following the steps below:
- Login to your Administrator account on Stripe
- Click the "Gear" icon to go to the Settings page
- Under the "Billing" section of the "Product Settings" page, click on "Subscriptions and Emails"
- Scroll down to the "Prevent Failed Payments" section and enable the "Send emails about expiring cards" setting
- Save your changes
The image below displays the setting within the "Prevent Failed Payments" section: