Do the Amazon web service APIs support barcode/UPC queries?

Question

I skimmed through their documentation and found it a bit overwhelming at first. I know you can search for items by entering a UPC (the number below a 1D barcode), but I coul

Answer 1

Here is a page from the e-commerce service docs which shows how you can use the ItemLookup method to find a specific product by UPC.

Note that default IdType for the ItemLookup is ASIN, but you can change it to something else like UPC if you need to