Connect Cal.com and Slack to unlock the power of automation

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Quickly connect Cal.com to Slack with a Zapier template.

Our most popular template

Notify Slack channel of new Cal.com bookings.
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Cal.com + Slack
Manage cancelled bookings in Cal.com by sending direct messages in Slack
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Cal.com + Slack
Notify on Slack with direct messages when bookings are rescheduled in Cal.com
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Cal.com + Slack
Create and send Slack private channel messages for new Cal.com bookings
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Cal.com + Slack
Create Slack direct messages for new Cal.com bookings
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Cal.com + Slack
Notify on Slack with channel messages when bookings are cancelled in Cal.com
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Cal.com + Slack

Notify Slack channel of new Cal.com bookings.

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Cal.com + Slack

Manage cancelled bookings in Cal.com by sending direct messages in Slack

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Cal.com + Slack

Notify on Slack with direct messages when bookings are rescheduled in Cal.com

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Cal.com + Slack

Create and send Slack private channel messages for new Cal.com bookings

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Cal.com + Slack

Create Slack direct messages for new Cal.com bookings

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Cal.com + Slack

Notify on Slack with channel messages when bookings are cancelled in Cal.com

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Cal.com + Slack

Reschedule bookings in Cal.com and send channel messages in Slack
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Cal.com + Slack
Create reminders in Slack for new bookings created in Cal.com
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Cal.com + Slack

How Zapier works

Zapier makes it easy to integrate Cal.com with Slack - no code necessary. See how you can get setup in minutes.

Select a trigger from Cal.com

A trigger is an event that starts your Zap and runs the workflow. For example, with Cal.com, a trigger could be "Booking Cancelled."

A trigger is the event that kicks off your automated workflow.

Setup an action from Slack

An action is what takes place after the automation is triggered. For example, with Slack, the action could be "Add Reminder."

An action is the event that your automated workflow performs when triggered.

That’s it! You just connected Cal.com to Slack

With Zapier, it’s never been easier to connect your apps together and automate your most tedious work. Save hours every month.

Triggers and actions are the main components of every automated workflow.

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Customers who say using Zapier has made them better at their job

25m

Customers have created over 25 million Zaps on the platform

6 mins

The average user takes less than 6 minutes to set up a Zap

Make work flow with AI

Level up your Cal.com to Slack integration with AI. Extract, summarize, and transform your integration data with leading AI models like OpenAI, Anthropic, and more.

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Frequently Asked Questions about Cal.com + Slack integrations

New to automation with Zapier? You're not alone. Here are some answers to common questions about how Zapier works with Cal.com and Slack

How can I integrate Cal.com with Slack?

You can integrate Cal.com with Slack using Zapier to automatically send notifications to your Slack channels when new events are created or updated in Cal.com.

What triggers can I use with the Cal.com and Slack integration?

With the integration, you can set up triggers such as a new event creation, event updates, or cancellations in Cal.com, which will then send a message to your specified Slack channel.

What actions can be performed in Slack through this integration?

The integration allows you to perform actions like sending messages to a specific channel or user in Slack whenever certain events occur in Cal.com.

Can I customize the messages sent to Slack from Cal.com?

Yes, you can customize the message content that is sent to Slack by setting up specific templates and using dynamic fields from the Cal.com event data.

Is it possible to use multiple channels for notifications through this integration?

Yes, you can configure multiple workflows in our system so that notifications are sent to different channels depending on the type of event or other criteria defined.

What should I do if notifications aren’t being sent from Cal.com to Slack?

First, check if all trigger conditions are met and your Zapier connection settings. Ensure both applications have enabled permissions and re-test your workflows.

How do I test the Cal.com and Slack integration before going live?

You can use our testing mode in Zapier where you run sample events through your workflow. This helps ensure everything is working as expected without impacting actual data or users.

Connect Cal.com and Slack to integrate crucial parts of your business

With Zapier, you can integrate everything from basic data entry to end-to-end processes. Here are some of the business-critical workflows that people automate with Zapier.

Automate your lead management and improve conversions

With Zapier, you can automate every part of your lead funnel and give yourself the best chance at converting leads. Automate everything from lead capture to outreach to reporting—and close more deals as a result.

An illustration representing how to automate lead management with Zapier.

Create more impactful campaigns with automation

Measuring campaign performance across platforms can get chaotic. Plus, digging up the right metrics costs you precious time and effort. With Zapier, you can create a centralized view of your performance, skillfully manage your lists, and ensure your campaigns drive ROI across the business.

An illustration representing how to measure campaign impact with Zapier.

Provide world-class support with a little help from automation

Support reps can't be productive when they have to track down crucial information for every incident or ticket. With Zapier, you can automatically send your reps the context they need to resolve tickets quickly and create a seamless customer experience.

An illustration representing how to automate customer support with Zapier.

Automate your way to actionable, up-to-date data

The days of manually exporting and importing data are over. With Zapier, you can send data where it needs to go, in the format you need it—so you can centralize your data and unlock more insights.

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Resolve incidents faster with automation

Your technical support team wants to focus on tech tickets rather than admin work. With Zapier, you can automate everything from ticket creation to routing to inter-team communication—eliminating friction from incident management and increasing speed to resolution.

An illustration of a flow chart representing how to resolve tickets and incidents with Zapier.

Supported triggers and actions

Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.

Booking Cancelled
Triggers when a booking is cancelled.
Trigger
Instant
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Booking Rescheduled
Triggers when a booking is rescheduled.
Trigger
Instant
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Out of Office Created
Triggers when a new Out Of Office entry is created.
Trigger
Instant
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New Channel
Triggers when a new #channel is created.
Trigger
Instant
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- Include_alias
Trigger
Instant
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- User Name
- Highlight Word
- Trigger for Bot Messages?
Trigger
Instant
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- Channel
  Required
- Trigger for Bot Messages?
Trigger
Instant
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New Saved Message
Triggers when you save a message.
Trigger
Instant
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- Text
  Required
- Remind when?
  Required
- User
Action
Write
- Channel
  Required
- Text
  Required
- Send as a bot?
- Bot Name
- Bot Icon
- Include a link to this Zap?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- File
- Thread
- Send Channel Message?
- Zap_id
Action
Write
- Channel Name
  Required
Action
Write
- Channel
  Required
- Topic
  Required
Action
Write
- Status Text
- Status Emoji
- Expiration Time
Action
Write
Delete Message
This action deletes an existing message in a specific channel on Slack. You need to provide the channel ID and the message timestamp as inputs.
Action
Write
Remove User from Channel
This action removes a specified user from a specified channel in Slack.
Action
Write
Find Public Channel
This action will find a public channel in Slack using either the channel's ID or name.
Action
Write
Get Message by Timestamp
This action retrieves a specific message from a conversation history in Slack using the message's timestamp.
Action
Write
- Email
- Optimized data
Action
Search
- Full Name
  Required
- Optimized data
Action
Search

Booking Created
Triggers when a new booking is created.
Trigger
Instant
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Meeting Ended
Triggers after meeting ends.
Trigger
Instant
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- Trigger for Bot Messages?
- Optimized data
Trigger
Instant
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- Channel
  Required
- Trigger for Bot Messages?
- Optimized data
Trigger
Instant
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- Channel
  Required
- User Name
- Shared
Trigger
Instant
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- Search Query
  Required
- Optimized data
Trigger
Scheduled
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- Channel
  Required
- Reaction
- User
Trigger
Instant
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New User
Triggers when a new Slack user is created / first joins your org.
Trigger
Instant
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- Channel
  Required
- Users
  Required
Action
Write
- Send Multi Message
- Text
  Required
- Send as a bot?
- Bot Name
- Bot Icon
- Include a link to this Zap?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- Zap_id
Action
Write
- Channel
  Required
- Text
  Required
- Send as a bot?
- Bot Name
- Bot Icon
- Include a link to this Zap?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- Zap_id
- File
- Thread
- Send Channel Message?
Action
Write
- First Name
- Last Name
- Title
- Email
- User
Action
Write
- HTTP Method
  Required
- URL
  Required
- Query String Parameters
- Headers
- Additional Request Headers
- Body
Action
Write
Retrieve Thread Messages
This action retrieves all the messages sent to a specific thread in a selected channel.
Action
Write
Create Private Channel
This action creates a private channel in Slack.
Action
Write
Edit Message
This action updates a specific message sent by the same Authenticated user on Slack. You need to provide the Channel ID, the Timestamp of the message to be edited, and the new text for the message.
Action
Write
- Search Query
  Required
- Sort By
- Sort Direction
Action
Search
- ID
  Required
- Optimized data
Action
Search
- Bot Name
- Optimized data
Action
Search

Learn how to automate Cal.com on the Zapier blog

Learn how to automate Slack on the Zapier blog

About Cal.com

Cal.com simplifies scheduling for individuals, teams, and developers with powerful features and integrations that make booking effortless.

Learn more

Related categories

Scheduling & Booking

About Slack

Slack is a platform for team communication: everything in one place, instantly searchable, available wherever you go. Offering instant messaging, document sharing and knowledge search for modern teams.