This article shares possible use cases your app could support, as well as example flows. You're certainly not limited to these use cases, but it can be a helpful jumping off point as you plan your app's implementation.
Your app can help site owners check which emails a contact opened.
activity=OPENED
query parameter.Your app can help a site owner run an A/B test on the subject of their new email campaign.
labelIds
parameter in Publish Campaign to send 1 of the segments the new email campaign with 1 option for the emailSubject
. Send the same email campaign with a different emailSubject
to the other segment, also using labelIds
.OPENED
rates for both campaigns.