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Mailchimp Integration Overview

How Webninja's Mailchimp integration works

The Mailchimp integration automatically sends eligible customer registration details from your site to your nominated Mailchimp audience once it has been configured.

To set up the integration:

  • You'll need your Mailchimp API key and the Audience ID of the marketing audience you want these contacts synced to.  You can find these details in Mailchimp by:
  • These details are entered into your Web Ninja settings.





  • Merge Fields:
    • By default only #FNAME and #EMAIL are mapped to the mailing list
    • if you have other Merge fields you want linked to Mailchimp - you'll need to inform us which merge fields to link to (eg, #MERGE3, #MERGE4 etc.) and which customer fields you want us to map to those fields
    • If you have any merge fields that are mandatory - we MUST map those fields or the sync to Mailchimp will fail. Otherwise you'll need to make them non-mandatory/required on the Audience merge fields.

Important notes:

  • Once configured, the integration runs automatically in the background.
  • Customers' details are only synced to Mailchimp at the time of registration
  • Customer details are sent to Mailchimp only if the customer has opted in to receive marketing emails on the registration page.
  • Contacts who have previously unsubscribed from your Mailchimp list cannot be added again automatically.
  • Unsubscribed contacts must be manually added back directly through Mailchimp.
  • Email address typos entered by customers cannot be prevented or corrected by the integration.
  • If the marketing opt-in box is not selected, the customer’s details will not be sent to Mailchimp and there's no way to re-send it once they're already registered on the site unless you delete them and add their details via the registration page again.