As an official partner of the USPS, Postsale gives you the ability to directly leverage the domestic and international services offered by the USPS. Connect ...
For your reference, this article lists the available USPS services, package types, and confirmation types, along with other important details and available f...
There may be times when you need to update the information associated with your USPS account in Postsale.
Troubleshoot USPS shipping errors in Postsale by reconnecting your USPS Business account. Follow these steps to re-authorize and restore access.