Calendly + Slack

Send private channel messages in Slack when invitees cancel in Calendly

Stay promptly informed about any meeting schedule changes thanks to this automation. When an attendee cancels a Calendly appointment, a message will be instantly sent to a private Slack channel of your choice, ensuring smooth communication and schedule adjustments without you needing to constantly monitor your calendar. Keep your team's schedule updated and your meeting plans well-coordinated with this workflow.

When this happens...
Invitee Canceled
Triggers when an invitee cancels a scheduled event.
TriggerInstant
automatically do this!
Send Private Channel Message
Triggers when a new message is posted to a specific #private-channel or multi-dm.
ActionWrite

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Supported triggers and actions

Event Canceled
Triggers when an event is canceled.
Trigger
Polling
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- Free Plan Copy
- Webhook subscription scopeRequired
- Event Type
Trigger
Instant
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- Routing Form
Trigger
Instant
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- Event NameRequired
- Host UserRequired
- Co-hosts
- Duration (in minutes)Required
- Time Zone
- Start DateRequired
- End DateRequired
- Location Kind
- Location
- Additional Location Info
Action
Write
Cancel Scheduled Event
Cancels a scheduled event with a specified reason for the cancellation.
Action
Write

- SearchRequired
Action
Search
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?
Trigger
Instant
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- ChannelRequired
Trigger
Instant
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- ChannelRequired
- Trigger for Bot Messages?
Trigger
Instant
Try It
New Saved Message
Triggers when you save a message.
Trigger
Instant
Try It
- TextRequired
- Remind when?Required
- Remind who?
Action
Write
- Conversation IDRequired
- Scheduled AsRequired
- Scheduled Message IDRequired
Action
Write
- ChannelRequired
- Add Zapier app to channel automatically?
- 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
- Send Multi Message
- Message TextRequired
- Send as a bot?
- 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 NameRequired
Action
Write
- Status Copy
- Approval request messageRequired
- Send message asRequired
- Approval typeRequired
- Zap Id
- Include a link to this Zap?
- 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 errorRequired
- HTTP MethodRequired
- URLRequired
- 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 IDRequired
Action
Search
- Conversation IDRequired
- Message ID (ts)Required
Action
Search
- Conversation IDRequired
- Message TS (ID)Required
Action
Search
- EmailRequired
- Return Raw Results?
Action
Search
- Full NameRequired
- Return Raw Results?
Action
Search

- Free Plan Copy
- Webhook subscription scopeRequired
Trigger
Instant
Try It
- Free Plan Copy
- Webhook subscription scopeRequired
Trigger
Instant
Try It
- Event UUIDRequired
- Reason
Action
Write
Mark Invitee as No Show
Marks a specific invitee as a no show.
Action
Write
- Event UUIDRequired
Action
Search
- Trigger for Bot Messages?
- Optimized data
Trigger
Instant
Try It
- ChannelRequired
- Trigger for Bot Messages?
- Optimized data
Trigger
Instant
Try It
- Channel
- User Name
- Shared
Trigger
Instant
Try It
- Search QueryRequired
- Optimized data
Trigger
Polling
Try It
- Conversation ID
- Reaction
- Member ID
- Message Author ID
Trigger
Instant
Try It
- Zap Identifier
- Access type
Trigger
Instant
Try It
New User
Triggers when a new Slack user is created / first joins your org.
Trigger
Instant
Try It
- Conversation IDRequired
Action
Write
- ChannelRequired
- UsersRequired
Action
Write
- Allowed Delete Copy
- Conversation IDRequired
- Message TS (ID)Required
- Posted By
Action
Write
- Allowed Edit Copy
- Conversation IDRequired
- Message TS (ID)Required
- Posted By
- Content Type
- Reply Broadcast
Action
Write
- ChannelRequired
- Add Zapier app to channel automatically?
- 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
- ChannelRequired
- TopicRequired
- 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 IDRequired
Action
Search
- Conversation IDRequired
- Message ID (ts)Required
Action
Search
- Search QueryRequired
- Sort By
- Sort Direction
Action
Search
- IDRequired
- Return Raw Results?
Action
Search
- UsernameRequired
- Return Raw Results?
Action
Search

About Calendly

Calendly is an elegant and simple scheduling tool for businesses that eliminates email back and forth. It helps save time so that businesses can provide great service and increase sales.

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.

Learn more

Related categories

Team Chat

Calendly + Slack

Send private channel messages in Slack when invitees cancel in Calendly

Event Canceled

Invitee Created

New Routing Form Submission

Create One-Off Meeting

Cancel Scheduled Event

Find User

New Channel

New Team Custom Emoji

New Mention

New Channel Member

New Message Posted to Private Channel

New Saved Message

Add Reminder

Cancel Scheduled Message

Send Channel Message

Send Direct Message

Create Channel

Request Approval

Update Profile

API Request (Beta)

Get Message by Timestamp

Retrieve Thread Messages

Create Private Channel

Get Conversation

Get Message

Get Message Reactions

Find User by Email

Find User by Name

Invitee Canceled

Invitee No Show Created

Cancel an Event

Mark Invitee as No Show

Find Event

New Public Message Posted Anywhere

New Message Posted to Channel

New File

New Message From Query

New Reaction Added

New Pushed Message

New User

Archive Conversation

Invite User to Channel

Delete Message

Edit Message

Send Private Channel Message

Set Channel Topic

Set Status

Remove User from Channel

Edit Message

Find Public Channel

Delete Message

Get Conversation Members

Get Message Permalink

Find Message

Find User by ID

Find User by Username

About Calendly

Related categories

About Slack

Related categories

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