To create a MailChimp API Key:
– Log into MailChimp.
– From the main, top MailChimp menu, select Account > API Keys & Authorized Apps
– Click Add a Key. MailChimp creates an API Key.
To find your MailChimp List ID:
– From the main, top MailChimp menu, select Lists.
– Click the gear icon and then select List Settings and Unique ID.
– Scroll to the bottom of the page and copy the Unique ID for your newsletter list.
