4Seller support authorize UPS, which can help seller fulfill orders easily and conveniently.
Step 1: Register a UPS account at: https://developer.ups.com/get-started?loc=en_US
Step 2: Enter UPS API page, copy Client ID,Client Secret, Billing Account Number.![]()
Step3: Click Settings-Order&Shipping-Shipping Carriers-Carriers-Select UPS and add account.
Step 4:Fill the infoamtion and click connect.
Step 4: After successful authorization, it will appear under Authorized Logistics Providers. You can check the authorization status. If it shows as inactive, click Reauthorize. You can also configure the logistics channel.
If you have any further questions or suggestions, please do not hesitate to contact our support team.