Integration: ConvertKit (Pro)
Want the information that someone enters into HollerBox to go into your ConvertKit account? You can do that.
If you want to edit your HollerBox popup, then go into Add Integration.
Selecting ConvertKit, under CRM (Email Marketing), you are asked for your ConvertKit API Key.
Once you have entered it, you will want to Save Changes, then you can save / publish your popup.