Delete Mailchimp subscribers with new unsubscribers from Ghost

First, we need to connect Ghost and Mailchimp to Zapier.

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  Create Zapier account.

  Create Zapier account if you don't have one.

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  Connect Ghost to Zapier.

  Give Zapier access to your Ghost account, using Ghost credentials.

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  Connect Mailchimp to Zapier.

  Give Zapier access to your Mailchimp account, using Mailchimp credentials.

Next, we need to create a workflow automation scenario using graphical no-code web interface of Zapier.

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  Set up a Trigger action for Ghost

  Choose the following trigger: Member Updated (Triggers when a member is updated (requires Ghost 3.0.3 or later).).

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  Then set up an Action for Mailchimp

  Choose this action: Unsubscribe or Delete Contact action (Unsubscribe or delete a contact by email address within an audience.).

Finally, we need to test this automation and publish it.

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  Customize data flow

  Configure the data that is exchanged between Ghost and Mailchimp.

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  Test the workflow and turn it on for production use

  Test your scenario and publish to production. Now you have an automatic workflow, that will Delete Mailchimp subscribers with new unsubscribers from Ghost!