Hello eat,
You can update your credit card information through the Account and Settings. Here's how:
- Log in to your QuickBooks Online account.
- Click the Gear icon in the upper-right corner and select Account and Settings.
- Select the Billing & Subscription tab and go to the QuickBooks section.
- Update the Payment method by clicking Edit.
- In the Payment Information window/drawer, update your credit card information.
- Click Save.
You might want to use this article for reference: Update Payment Method for QuickBooks Online Subscription.
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