Note:  After authorizing successfully, 4Seller only supports manage order fulfillment.

Step one: Log in Kaufland.de backend and obtain authorization information

Step 2:  Log in 4Seller--Setting--Shop manage--Click Kaufland button--Add Kaufland Shop--Fill authorize info--Complete authorization

Step 3: Once authorized successfully, will show the shop in 4Seller as below:

After authorizing successfully, you can manage orders in 4Seller.