Use the Mailchimp tag for the server GTM to integrate Mailchimp tracking on your website. Using this tag, you can:

• Track event
• Create or update contact
• Create or update contact and track events simultaneously

Email hashed with MD5. Mailchimp API requires to transform users' email to the lowercase and hash using MD5. You can hash email using Data Tag. 

Audience ID. The unique ID of the Mailchimp list. Follow this guide on how to find it.

API Key. Please follow this guide on finding the Mailchimp API key.

Event information. Add event name and event properties using this field. 

Contact information. Use this field to merge or ad tags to the contact.  

Use cases:

• Connect your website to Mailchimp using Google Tag Manager server container