Using the latest Uber app for iPhone or Android:
- Tap the account button in the top left corner
- Tap Payment
- Tap Add Payment
- Fill in your credit card information or tap the scan your card option
Using the Uber.com website:
- Sign into your account at uber.com
- Click the Payment link at the top of the page
- Click the Add a new credit card link
- Fill in your credit card details and whether or not this card will be for personal or business use