Create a Cal OAuth webhook after signup
Start real-time scheduling notifications when a signup activates a connected workflow.
Trigger
Subscribe Trigger
Triggered when a subscriber subscribes to Mailchimp
Action
Create OAuth client webhook configuration
Creates a webhook for an existing oauth client to send real-time cal.com event notifications (e.g., `booking created`, `meeting ended`) to the `subscriberurl`, enabling integration with external systems or workflow automation.
Why this helps
Connected systems can miss Cal changes when webhook setup is postponed or handled manually.
- Activate notifications sooner
- Reduce integration setup steps
- Keep connected systems informed
Setup
Build it in a few focused steps.
- 1Connect Mailchimp and Cal in Notis once.
- 2Create an automation describing the existing OAuth client, subscriber URL, and Cal event notifications to send.
- 3Pick the Mailchimp Subscribe Trigger.
- 4Choose a report channel and test with one real subscriber.
Questions about this workflow
What does the webhook send?
It sends selected real-time Cal event notifications such as booking created or meeting ended.
Does this change subscriber data?
No. It creates a webhook configuration in Cal.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Mailchimp to Cal. A trigger fires from one place; an action lands in another.
Mailchimp triggers
Cal actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Add member to team
Adds a new member to a specified team within an organization by creating a team membership.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Add organization attribute option
Adds a new option to an organization's attribute, requiring a display `value` and a `slug` unique for that attribute.
Campaign Trigger
Triggered when a campaign is sent or experiences an event in Mailchimp
Delete oauth client webhook
Permanently deletes a specific webhook subscription of an oauth client in the cal application, stopping its notifications.
Profile Update Trigger
Triggered when a subscriber's profile is updated in Mailchimp
Cancel booking via uid
Cancels an existing and active cal.com booking using its unique identifier (uid).
Subscribe Trigger
Triggered when a subscriber subscribes to Mailchimp
Check calendar availability
Retrieves free/busy availability for a specified calendar to aid scheduling without revealing event details; requires an existing, accessible calendar, noting that data granularity can vary.
Unsubscribe Trigger
Triggered when a subscriber unsubscribes from Mailchimp
Check gcal synchronization status
Call this read-only action to verify the connection and synchronization status of a user's google calendar integration with cal.
Check ics feed calendar endpoint
Checks an ics feed url (expected as a query parameter) to verify its validity, accessibility, and icalendar data integrity.
Check Stripe status
Verifies if stripe is correctly connected to the cal scheduling system and functional for processing payments, reporting only on the integration's status.
Connect any two apps with Notis in the middle.
Mailchimp and Cal, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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