To identify the order, an "External Order Number" is stored with the order, which allows this order to be clearly assigned.

Below is a screenshot with a brief explanation of how orders are created with us and Otto Market (in the "My Account" area).

Otto Market "My Account" area:

The order number is stored in plentymarkets as the External Order Number on the order.

Input mask to search for the order using the External Order Number:

In the "Settings" tab of the respective order, you will find the External Order Number (Ext. Order Number):

If a customer has a query about the order, you can find the order using the External Order Number.

(In general, you can always filter all Otto Market orders using the "Origin" filter.)