Travelo theme using MailChimp plugin, but can not support MailChimp plugin.
It is out of our support service.
And to get mailchimp api key, please login mailchimp and get it in https://admin.mailchimp.com/account/api.
MailChimp API Settings
Status NOT CONNECTED
Your MailChimp API key
The API key for connecting with your MailChimp account. Get your API key here.
What should I do to get connect.