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Google Calendar + Mailchimp: send campaigns timed with calendar events.

Trigger Mailchimp campaigns based on Calendar events — webinars, product launches, AMAs. Or send Calendar invites to Mailchimp subscribers automatically.

Trigger app
Google Calendar as the trigger

Workflows fire when something happens in Google Calendar.

Action app
Mailchimp as the action

Workflows do something in Mailchimp, instantly.

See all 16 actions →
Both directions

Pick the way that fits your stack.

Pair pages are mirrored. Each direction gets its own dedicated page.

Google CalendarMailchimp

When something happens in Google Calendar, do it in Mailchimp.

5 Google Calendar triggers wired to 16 Mailchimp actions. Most-used pairing: Event CancelledAdd List Member.

MailchimpGoogle Calendar

Or fire it the other way around.

5 Mailchimp triggers wired to 7 Google Calendar actions downstream.

See MailchimpGoogle Calendar
Popular pairings

Common Google Calendar → Mailchimp workflows.

Pick a pairing to set it up in two minutes. Each one is a fully editable recipe.

Showing 9 of 80 combinations
When event cancelled in Google Calendar, add list member in Mailchimp.

Fires when an event is cancelled or deleted from the selected Google Calendar. Use to release Zoom resources, update CRM activity, or notify attendees via another channel.

When event cancelled in Google Calendar, create campaign in Mailchimp.

Fires when an event is cancelled or deleted from the selected Google Calendar. Use to release Zoom resources, update CRM activity, or notify attendees via another channel.

When event cancelled in Google Calendar, create tag in Mailchimp.

Fires when an event is cancelled or deleted from the selected Google Calendar. Use to release Zoom resources, update CRM activity, or notify attendees via another channel.

When event cancelled in Google Calendar, delete campaign in Mailchimp.

Fires when an event is cancelled or deleted from the selected Google Calendar. Use to release Zoom resources, update CRM activity, or notify attendees via another channel.

When new event in Google Calendar, add list member in Mailchimp.

Fires when a new event is added to the selected Google Calendar. Used to mirror booked meetings into CRM, send prep, or auto-create Zoom links.

When new event in Google Calendar, create campaign in Mailchimp.

Fires when a new event is added to the selected Google Calendar. Used to mirror booked meetings into CRM, send prep, or auto-create Zoom links.

When new event in Google Calendar, create tag in Mailchimp.

Fires when a new event is added to the selected Google Calendar. Used to mirror booked meetings into CRM, send prep, or auto-create Zoom links.

When new event in Google Calendar, delete campaign in Mailchimp.

Fires when a new event is added to the selected Google Calendar. Used to mirror booked meetings into CRM, send prep, or auto-create Zoom links.

When event ended in Google Calendar, add list member in Mailchimp.

Fires when an event in the selected Google Calendar ends. Polls for events whose end time falls inside the most recent polling window. Use to follow up after a meeting or to kick off a recording/summary pipeline.

How it works

Connect Google Calendar and Mailchimp in five steps.

No code, no glue, no half-day setup. Each step is one click.

  1. 1
    Connect
    Authorize Google Calendar and Mailchimp

    Open Tiny Command, authorize Google Calendar and Mailchimp once each. Both connections are available to every workflow on your account.

  2. 2
    Trigger
    Pick a Google Calendar trigger

    Drop the Google Calendar → Event Cancelled trigger onto the canvas. Tiny Command auto-registers the webhook.

    POST /v1/webhooks/google-calendar.trigger-event-cancelled
  3. 3
    Transform
    Add a filter or AI step

    Optionally add a Filter node ("subject contains URGENT") or an AI step ("classify intent") between trigger and action.

  4. 4
    Action
    Add the Mailchimp action

    Drop the Mailchimp → Add List Member action below it. Map fields from the Google Calendar payload into the Mailchimp inputs.

    mailchimp.add-list-member
  5. 5
    Publish
    Publish and forget

    Hit Publish. Tiny Command runs it in production from second one. Watch the run-log fill up.

FAQ

Questions about Google Calendar + Mailchimp.

How do I send a Mailchimp campaign right before a Calendar event?
Calendar Event Starting in 1 day → Mailchimp Send Campaign with the event details. Useful for webinar reminders or AMA announcements to your subscriber list.
Can I add Calendar event attendees to a Mailchimp audience?
Yes. Calendar Event Created → for each external attendee, Mailchimp Add or Update Subscriber. Tag with "event:webinar-2026-q2" so you can target post-event follow-up.
How do I send a post-event Mailchimp recap?
Calendar Event Ended → Mailchimp Send Campaign to the event-tagged segment with recording link, key takeaways, and a CTA. Standard post-webinar nurture.
Can I segment Mailchimp by Calendar event attendance?
Yes. After event, mark Mailchimp tag "attended:event-X" vs "registered:event-X" vs "no-show". Useful for post-event re-engagement campaigns and analytics.
How do I avoid spamming Mailchimp from every internal Calendar event?
Filter Calendar triggers to events with "[Webinar]", "[Public]", or specific tag prefixes. Internal calendar events skip Mailchimp entirely.
Can I sync Mailchimp survey responses back to a Calendar event description?
Yes. Mailchimp post-event survey responses → AI summarize → Calendar Update Event to append a "Feedback summary" section. Builds historical context on the event for future planning.
Related

Other apps that pair well with Google Calendar.


Wire Google Calendar to Mailchimp in 2 minutes.

Free tier available. No credit card. No onboarding call.