How to update credit card Arjun Arora March 16, 2019 18:38 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 change the email address on your FullContact account. How to Cancel Your Account Billing Period How to Transition to Enrich API FullContact GDPR FAQs Comments 0 comments Please sign in to leave a comment.