No, the Short URL that is generated by Delivr's URL Shortener is NOT case sensitive. So if your Short URL is "http://delivr.com/abcde" (lower case), then "HTTP://DELIVR.COM/ABCDE" (upper case) will also work.
Delivr is a MarTech platform used by thousands of businesses to drive audiences from print to digital experiences.
Established in 2008, Delivr has developed software to track and visualize consumer engagement with printed media, labels and packaging.
With TrueMrk®, Delivr is extending its marketing, consumer engagement and analytics platform to authenticate products and identify incidents of counterfeiting and gray market diversion.