How to get product information on the scanned item?

Scandit has deprecated its Product API lookup and the corresponding database of product details. 

In case you require to query product details, we kindly ask you to look for available databases. There are free ones, as well as commercial databases available.

Scandit's UPC lookup page is currently using the Open Product Data API and you can find a link to their offering on the lookup page.

The current product offering can be found on Scandit's product overview website https://www.scandit.com/products/