https://svcs.ebay.com/services/search/FindingService/v1?OPERATION-NAME=findItemsAdvanced&SERVICE-VERSION=1.0.0&SECURITY-APPNAME=YourAppID&RESPONSE-DATA-FORMAT=XML&REST-PAYLOAD=true&paginationInput.entriesPerPage=3&keywords=iPad&itemFilter.name=PaymentMethod&itemFilter.value=PayPal&itemFilter.name=HideDuplicateItems&itemFilter.value=true