I have multiple itemIds, and I like to get the actual items using these itemids in just a single request, is that possible? I know about getListItem() method but that would use only 1 itemid, hence will return only actual item itself. I'm trying to avoid sending multiple requests per item id.
You can build a caml query with "IN" operator and pass it to the GetItems method
Operator has a limitation of 500 items but you can use a workaround with ORs: