How to Edit or Update Your Credit Card in Millie

Need to update your credit card details on Millie? Whether you're replacing an expired card, changing billing info, or adding a new one — it's easy to manage your payment methods from your Wallet.

How to edit or add a credit card

You can go directly to this link:

👉 Manage Credit Cards

Or follow the steps below:

1. Log in to your Millie account
2. Click on the Wallet tab in the top navigation
3. Scroll to the bottom and click “Manage Payment Methods”
4. From here, you can:
• Edit an existing card (update expiration, billing info, etc.)
• Delete a card you no longer use
• Add a new card to use for donations, recurring gifts, or backup payment on file

Be sure to double-check for accuracy before saving any changes.