How to Connect USPS NEW with 4Seller?

4Seller Support integrate USPS then purchase & print shipping label. 

Note:You should contact USPS support team to have a meeting to get the authorization info then fill in 4Seller. 

Step 1: Go to Settings > Orders & Shipping > Carriers > Carrier, find USPS, and click + to add authorization.



Step 2: Fill info in the required fields



Step 3: After fill the information pls click" Connect". Follow below could check the connect status. 



Any problem just feel free to contact 4Seller support team: support@4seller.com