Finding the MailChimp Variables Generating the MailChimp API Key Login to MailChimp Enter to your profile settings Enter to extras/API Keys: Click on Generate Key: Copy your new token: Getting the MailChimp List Id Enter to the lists tab. Enter to the list in which you want to include users: Enter into "List name and defaults" in the settings url: Copy the List id at the right side of the screen: