This Step by Step guide will show you, how to add/change credit card on your account
SendMyCall does not allow you to modify saved credit card details for security reasons.
1. Sign in to your account and proceed to the My Account section and click on Make Payment / Add new credit card
2. Enter any amount that you wish to pay (minimum charge is $4.99) and click Continue
3. Select Enter new Card and click Continue
4. Enter you credit card information and select Save this Credit Card information for future