Integrate Mailchimp and Calendly for event registration
- George Apostolov
- 05 Sep 2025
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.
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