https://svcs.ebay.com/services/search/FindingService/v1?OPERATION-NAME=findItemsAdvanced&SERVICE-VERSION=1.7.0&SECURITY-APPNAME=YourAppID&RESPONSE-DATA-FORMAT=XML&REST-PAYLOAD&itemFilter(0).name=Seller&itemFilter(0).value=e***y&paginationInput.entriesPerPage=3&outputSelector=SellerInfo