Cal.com + Slack

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

When a booking is cancelled in your Cal.com app, keep your team in the loop instantly by sending a channel message in Slack. This automation helps you promptly communicate changes, ensuring everyone is up-to-date on schedule adjustments. Pivot quickly and streamline communication with this simple, yet impactful, workflow.

When this happens...
Booking Cancelled
Triggers when a booking is cancelled.
TriggerInstant
automatically do this!
Send Channel Message
Triggers when a new message is posted to a specific #channel you choose.
ActionWrite

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Supported triggers and actions

What does this mean?

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
- 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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- ChannelRequired
- UsersRequired
Action
Write
- Send Multi Message
- Message TextRequired
- 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
- ChannelRequired
- Message TextRequired
- 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
- Api Docs Info
- HTTP MethodRequired
- URLRequired
- 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 on Slack. You need to provide the Channel ID, the Timestamp of the message to be edited, the new text for the message, and a boolean to indicate if you want to edit a bot message.
Action
Write
- Search QueryRequired
- Sort By
- Sort Direction
Action
Search
- IDRequired
- Return Raw Results?
Action
Search
- UsernameRequired
- Return Raw Results?
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?
Trigger
Instant
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- ChannelRequired
- Trigger for Bot Messages?
Trigger
Instant
Try It
- Channel
- User Name
- Shared
Trigger
Instant
Try It
- ChannelRequired
- Trigger for Bot Messages?
Trigger
Instant
Try It
New Saved Message
Triggers when you save a message.
Trigger
Instant
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- TextRequired
- Remind when?Required
- Remind who?
Action
Write
- ChannelRequired
- Message TextRequired
- 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 NameRequired
Action
Write
- ChannelRequired
- TopicRequired
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
- EmailRequired
- Return Raw Results?
Action
Search
- Full NameRequired
- Return Raw Results?
Action
Search

About Cal.com

Scheduling infrastructure for absolutely everyone.

Learn more Help

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.

Learn more Help

Related categories

Team Chat

Cal.com + Slack

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

Booking Cancelled

Booking Rescheduled

Out of Office Created

New Channel

New Team Custom Emoji

Include Alias

New Mention

User Name

Highlight Word

Trigger for Bot Messages?

New Reaction Added

Channel

Reaction

User

New User

Invite User to Channel

Send Direct Message

Send Multi Message

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

Send Private Channel Message

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?

Update Profile

First Name

Last Name

Title

Email

User

API Request (Beta)

Api Docs Info

Query String Parameters

Headers

Additional Request Headers

Body

Retrieve Thread Messages

Create Private Channel

Edit Message

Find Message

Sort By

Sort Direction

Find User by ID

Return Raw Results?

Find User by Username

Return Raw Results?

Booking Created

Meeting Ended

New Public Message Posted Anywhere

Trigger for Bot Messages?

New Message Posted to Channel

Trigger for Bot Messages?

New File

Channel

User Name

Shared

New Message Posted to Private Channel

Trigger for Bot Messages?

New Saved Message

Add Reminder

Remind who?

Send Channel Message