Unsubscribe Mailchimp emails for invitee created events in Calendly

First, we need to connect Calendly 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 Calendly to Zapier.

  Give Zapier access to your Calendly account, using Calendly 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 Calendly

  Choose the following trigger: Invitee Created (Triggers when an invitee schedules an event).

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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 Calendly 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 Unsubscribe Mailchimp emails for invitee created events in Calendly!