You can change payment method, credit card and billing information in your Billing Settings. Please follow the steps below.
1. Sign into your account, hover over your profile picture at the top right-hand corner of the page and select "Account Settings".
2. Once you get to "Account Settings", click on "Billing" at the top of the page, and scroll to the bottom of the page. There, you should see "Billing Information", under which there's the "Payment method" option.
3. Click on "Add payment method" and you should get a pop-up where you can add a new credit card or other payment information.
TIP: To complete the process, you should see a pop-up dialog box after clicking "Add/Change Payment method". If you don't see the pop-up box, please check and make sure that you don't have a pop-up blocker activated. If you do, please change the settings to allow for pop-ups from issuu.com. Also make sure that you have Flash player activated and working on your browser. See http://helpx.adobe.com/flash-player.html
What payment types does issuu accept?
issuu accepts payment by major credit and debit cards such as Visa, Master, AMEX, JCB, Discover, and Diners Club and by PayPal.
We do not accept any other method of payment like bank transfers, invoices, wire transfer, purchase orders, or checks, or payment by mail.
Please Note that the billing name and address must match the credit card owner.
To change your billing contact information, please see How do I change my billing address?