How to update credit card Arjun Arora November 26, 2018 06:23 Updated Follow 1. Login to the dashboard. 2. Click the avatar on the top right and click Plan & Billing. 3. In the Payments section, click Add Credit Card. 4. Enter the credit card details and click Save. Related articles How to Cancel Your Account How to change the email address on your FullContact account. Contact deletions, backups, and restoring contacts Comments 0 comments Please sign in to leave a comment.