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Cal.com + Slack

Cal.com + Slack integrations

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

Stay on top of your schedule management with this seamless workflow between Cal.com and Slack. When a booking is cancelled on Cal.com, a direct message is immediately sent in Slack, keeping your team up-to-date with schedule changes. This automation offers a quick and efficient way to ensure everyone is informed and adjustments can be made promptly.

When this happens...
Booking CancelledTriggers when a booking is cancelled.
TriggerInstant
automatically do this!
Send Direct MessageSends a direct message to a user or yourself from the Slackbot. Can also schedule a message for later.
ActionWrite

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More things you can do with Cal.com and Slack

Discover other triggers and actions you can use with Cal.com and Slack

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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- Username
- Highlight Word
- Trigger for Bot Messages?
- Only Public Channels?
- Include additional data
Trigger
Instant
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- Channel
  Required
Trigger
Instant
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- Channel
  Required
- Trigger for Bot Messages?
- Include additional data
Trigger
Instant
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New Saved Message
Triggers when you save a message.
Trigger
Instant
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- Channel
  Required
- Message
  Required
- Reaction
  Required
Action
Write
- Conversation ID
  Required
Action
Write
- Channel
  Required
- Users
  Required
Action
Write
- Title
- Content
- Channel ID
Action
Write
- Send Multi Message
- Message Text
  Required
- Send as a bot?
- Include a link to this automation?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- Zap_id
Action
Write
- Allowed_edit_copy
- Conversation ID
  Required
- Message TS (ID)
  Required
- Posted By
- Content Type
- Reply Broadcast
Action
Write
- Channel
  Required
- Add Zapier app to channel automatically?
- Message Text
  Required
- Send as a bot?
- Bot Name
- Bot Icon
- Include a link to this automation?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- Zap_id
- File
- Thread
- Send Channel Message?
Action
Write
- Channel
  Required
- Topic
  Required
- Topic set by
Action
Write
- Status Text
- Status Emoji
- Expiration Time
Action
Write
Remove User from Channel
This action removes a specified user from a specified 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
Find Public Channel
This action will find a public channel in Slack using either the channel's ID or name.
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
- Conversation ID
  Required
Action
Search
- Conversation ID
  Required
- Message ID (ts)
  Required
Action
Search
- Search Query
  Required
- Sort By
- Sort Direction
- Include Bot Messages in Search Results?
Action
Search
- ID
  Required
- Return Raw Results?
Action
Search
- Guidance_copy
- Username
  Required
- 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?
- Optimized data
Trigger
Instant
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- Channel
  Required
- Trigger for Bot Messages?
- Optimized data
Trigger
Instant
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- Channel
- User Name
- Shared
Trigger
Instant
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- Search Query
  Required
- Optimized data
Trigger
Polling
Try It
- Channel ID
- Reaction
- Member ID
- Message Author ID
- Reacted message detail
- Include additional data
Trigger
Instant
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- Automation Identifier
- Access type
- Include additional data
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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- Text
  Required
- Remind when?
  Required
- Remind who?
Action
Write
- Conversation ID
  Required
- Scheduled As
  Required
- Scheduled Message ID
  Required
Action
Write
- Channel
  Required
- Add Zapier app to channel automatically?
- Message Text
  Required
- Send as a bot?
- Bot Name
- Bot Icon
- Include a link to this automation?
- Attach Image by URL
- Auto-Expand Links?
- Link Usernames and Channel Names?
- Schedule At
- File
- Thread
- Send Channel Message?
- Zap_id
Action
Write
- Allowed_delete_copy
- Conversation ID
  Required
- Message TS (ID)
  Required
- Posted By
Action
Write
- Canvas ID
  Required
- Operation
  Required
Action
Write
- Channel Name
  Required
Action
Write
- Status_copy
- Approval request message
  Required
- Send message as
  Required
- Approval type
  Required
- Zap_id
- Include a link to this automation?
- Approve button URL
- Approve button label
- Add decline button
- Add details button
- Require confirmation
Action
Write
- First Name
- Last Name
- Title
- Email
- Display Name
- User
Action
Write
- Stop on error
  Required
- HTTP Method
  Required
- URL
  Required
- Query string parameters
- Additional request headers
- Body
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
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
- Conversation ID
  Required
Action
Search
- Conversation ID
  Required
- Message ID (ts)
  Required
Action
Search
- Conversation ID
  Required
- Message TS (ID)
  Required
Action
Search
- Email
  Required
- Return Raw Results?
Action
Search
- Guidance_copy
- Full Name
  Required
- Return Raw Results?
Action
Search

About Cal.com

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

Learn moreLearn moreHelpHelp

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 moreLearn moreHelpHelp

Related categories

Team Chat

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Related Zap Templates

Notify Slack channel of new Cal.com bookings.

Reschedule bookings in Cal.com and send channel messages in Slack

Create Slack messages for new bookings in Cal.com