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 transition to Enrich API for Data Add-ons How to change the email address on your FullContact account. How to Cancel Your Account Billing Period FullContact for Hangouts Chat Comments 0 comments Please sign in to leave a comment.