Do I have to use USPS to ship with Shiplane? July 08, 2020 22:16 Updated Today, Shiplane only supports USPS shipments, but we are exploring expansion to other carriers in the future. Related articles What information do I need to ship something? Do I need to set up a separate USPS account to use Shiplane? How does my shipping account work? Why is there a minimum balance there? Are there any minimums or monthly fees for Shiplane? Oops, I made a mistake - how can I cancel that label I just purchased?