• We need to add MailChimp API Key and Audience Key in ASTPP to sync contacts.

To get MailChimp API Key,

• https://login.mailchimp.com/
• After sign up, you get API key on below Path.
• Click on Name on Top of the right side -> Account -> Extras -> API keys (In the grid you get your API key).
  https://us18.admin.mailchimp.com/account/a

To get Audience Key,
https://mailchimp.com/help/find-audience-id/

• Navigate to the Audience tab.
• If you have more than one audience, click the Current audience drop-down and choose the one you want to work with.
• Click View Contacts.
• Click the Settings drop-down and choose the Audience name and defaults.
• In the Audience ID section, you’ll see a string of letters and numbers. This is your audience ID.
• Once you get required information from Mailchimp, navigate to ASTPP admin portal and visit Configuration – Settings -> MailChimp and set the appropriate values.

Note:

• We sync customers, providers, and resellers Email Address, First name, and Last name in MailChimp.
• For Active, Inactive and Delete accounts, we manage subscribed, unsubscribed and cleaned type feature in MailChimp.

Reference:

• https://developer.mailchimp.com/documentation/mailchimp/guides/manage-subscribers-with-the-mailchimp-api/