The getListingFees call is used to retrieve the expected listing fees for one to 250 unpublished offers. This call is used by sellers who want to retrieve the expected listing fees before actually publishing the offers. An array of one or more offerId values are passed in under the offers container in the getListingFees call request payload.
In the response payload, all listing fees are grouped by eBay marketplace, and listing fees per offer are not shown. A fees container will be returned for each eBay marketplace where the seller is selling the products associated with the specified offers.