eBay API call not working for UPC/EAN
eBay's API findItemsByProduct operation would work on UPC and EAN. But unfortunately it is not working. The below HTTP GET request for example, throws an "Invalid product ID value." [error 41] http://svcs.ebay.com/services/search/FindingService/v1?SECURITY-APPNAME=MY-APP-ID-GOES-HERE&OPERATION-NAME=findItemsByProduct&SERVICE-VERSION=1.0.0&RESPONSE-DATA-FORMAT=XML&REST-PAYLOAD&productId.@type=EAN&productId=0016000275270&paginationInput.entriesPerPage=3 Note: Please replace the SECURITY-APPNAME's value with your…