Uploading a contact list to Engage can be time consuming using their web interface. Even when I focus on the task, it takes from 7-10 minutes.
SilverPop API
Most don’t know that SilverPop API is a decent API webservice. Tie it in with a SFTP (secure file transfer) and suddenly your uploading lists in about 5 seconds!
While the video is a couple of minutes long, the actual work involved is only a few seconds. After uploading the list, the script launches a separate checker to see when the data job completes and then writes my confirmation email for me.