Does every campaign have its own tracking code?
Simply put, no.
When you subscribe to a plan, you get an individual Customer ID, which will show in your tracking code as well. Regardless of the number of campaigns you’ve created, they will all run by the same tracking code.
Therefore, you only need to implement the tracking code once for your campaigns to show on your website.
Below is what a tracking code looks like and, as you can see, it contains a unique Customer ID.