To integrate your landing page with your MailChimp account click on 'Integrations' from the left hand menu, select MailChimp from the list and enter your MailChimp API (from your MailChimp account information).
To integrate your landing page with your MailChimp account click on 'Integrations' from the left hand menu, select MailChimp from the list and enter your MailChimp API (from your MailChimp account information).