Generating tracking url's for QR codes

Hi, I am trying to incorporate new tech, with traditional sales campaigns (ie. letters, greeting cards). My idea is to mail out greeting cards to a targeted group (aprox 100). The greeting card will have a QR code that points to a landing page. I want to be able to track who from this campaign scanned the QR code.

I have figured out what I think is the correct way to build the url


I’'ve tested and the link works and points to the landing page as expected, however it is not tracking “click-thru” or even “viewed”.

Steps I’ve taken

  1. created an email campaign as usual with target lists
  2. created the tracking url
  3. manually built the url as per above

Is what I’m trying to do possible? If it is, where did I go wrong?