When you need to update your USPS Ship credit card, you’ll need to make that change in the USPS Buisness Customer Gateway.
1. Click here to log into the USPS Business Customer Gateway, then go to the Enterprise Payment System.
2. Select Manage Account.
3. Select Add Payment Method. In the dropdown, select either ACH or Credit Card. Follow the prompts to update your payment method.
4. Remove the old card by selecting this dropdown and clicking Delete.
5. Return to Ordoro and reauthorize your USPS account again (see step 1. above).