Integrate Mailchimp and Calendly for event registration
- George Apostolov
Integrate Mailchimp and Calendly for event registration: step-by-step guide
Log in to Zapier, click "Create," and select "Zaps" to start automation.
Click "Trigger."
Search for and select Calendly as the trigger app.
Choose a trigger event, such as "Invitee Created" or "Event Scheduled" then connect your Calendly account to Zapier.
Select Webhook subscription scope.
Run a test to ensure Zapier detects new event registrations from Calendly.
Add Mailchimp as the Action App.
Select an action event, such as "Add/Update Subscriber" then connect your Mailchimp account to Zapier.
Map Calendly invitee fields (e.g., name, email) to the appropriate Mailchimp list fields.
Run a test to confirm event registrants are added to your Mailchimp audience, then click "Publish" to turn on your Zap.
Quick answer: To sync event registrations between Calendly and Mailchimp using Zapier, first create a new Zap, select Calendly as the trigger app with the Invitee Created or Event Scheduled event, and test the connection. Next, add Mailchimp as the action app, choose the Add/Update Subscriber event, map the invitee fields to your Mailchimp list, test the setup, and publish your Zap.
About this Mailchimp tutorial
Automatically sync event registrations by connecting Calendly to Mailchimp with Zapier to add new attendees directly to your audience. This guide covers integrate Mailchimp and Calendly for event registration in 10 steps, starting with "Log in to Zapier, click 'Create,' and select 'Zaps' to start automation" and finishing with "Run a test to confirm event registrants are added to your Mailchimp audience, then clic...". The interactive demo above is a click-through copy of the real Mailchimp interface, so you can rehearse each step before doing it in your own account.
Frequently asked questions
How many steps does integrate Mailchimp and Calendly for event registration take?
10 steps. Each one is listed in order above, and the demo highlights exactly where to click.
Can I try it without changing my own account?
Yes. Clicking through the demo doesn't touch your Mailchimp data or settings. Once you know the flow, repeat it in your own workspace.
This tutorial is filed under Mailchimp and Calendly. Related guides: Integrate Mailchimp signup forms into Notion pages, Integrate Trello and Mailchimp for marketing campaign tracking and Link Wufoo through Zapier to Mailchimp. Last reviewed 05 Oct 2026.
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