I seem to no longer be able to add a customer's credit card. Did something change recently?

Hi DBrooks.

There are no changes with adding a customer's credit card in QuickBooks Online. Thus, you should be able to add the card smoothly. Since you're running into an issue, I suggest performing some troubleshooting steps to isolate the issue. I'm here to guide you with the process.

First, I recommend opening QuickBooks using a private window, then add the card details from there. In most cases, unusual behavior happens due to the stocked cache on the regular browser you're using. To save you time, you can use either of these keyboard shortcuts:

• Google Chrome: Ctrl + Shift + N
• Safari 11 or newer: ⌘ + Shift + N
• Mozilla Firefox: Ctrl + Shift + P
• Microsoft Edge: Ctrl + Shift + P

If it works fine, go back to your original browser and clear its cache to start fresh. Moreover, please make sure that you're using a supported and up-to-date browser to avoid issues while working with QuickBooks.

I'm adding this link for more hints about setting up your customers in QuickBooks Online: Add and manage customers in QuickBooks Online.

You can also review these screenshots as your visual guides in adding customer's credit card information.

Moreover, here's how you can keep track of your sales and customers' transactions.

Please let me know how else I can help you with adding the customer bank or card details. I'm more than happy to help. Keep safe!