Calendly + Slack

Send Slack channel messages when new no-show invitees are created in Calendly

Stay on track and maintain the productivity flow even when appointments are missed. With this workflow, whenever a no-show occurs in the Calendly scheduling platform, a quick channel message is efficiently sent on Slack. This maintains full-team awareness, ensuring that unexpected changes do not disrupt your day's objectives. An ideal solution for teams looking to manage missed appointments promptly while focusing on their main tasks.

When this happens...
Invitee No Show Created
Triggers when an invitee is marked as a no-show.
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

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
Mark Invitee as No Show
Marks a specific invitee as a no show.
Action
Write
- SearchRequired
Action
Search
New Channel
Triggers when a new #channel is created.
Trigger
Instant
Try It
- Include Alias
Trigger
Instant
Try It
- Username
- Highlight Word
- Trigger for Bot Messages?
Trigger
Instant
Try It
- ChannelRequired
- Trigger for Bot Messages?
Trigger
Instant
Try It
- Channel
- Reaction
- User
Trigger
Instant
Try It
New User
Triggers when a new Slack user is created / first joins your org.
Trigger
Instant
Try It
- ChannelRequired
- UsersRequired
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
- 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
- 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
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 QueryRequired
- Sort By
- Sort Direction
Action
Search
- IDRequired
- Return Raw Results?
Action
Search
- UsernameRequired
- 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
Cancel Scheduled Event
Cancels a scheduled event with a specified reason for the cancellation.
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
- Zap Identifier
- Access type
Trigger
Instant
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New Saved Message
Triggers when you save a message.
Trigger
Instant
Try It
- TextRequired
- Remind when?Required
- Remind who?
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
- 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 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 Slack channel messages when new no-show invitees are created in Calendly

Supported triggers and actions

Event Canceled

Invitee Created

New Routing Form Submission

Create One-Off Meeting

Mark Invitee as No Show

Find User

New Channel

New Team Custom Emoji

New Mention

New Message Posted to Private Channel

New Reaction Added

New User

Invite User to Channel

Send Direct Message

Send Private Channel Message

Update Profile

API Request (Beta)

Retrieve Thread Messages

Create Private Channel

Edit Message

Find Message

Find User by ID

Find User by Username

Invitee Canceled

Invitee No Show Created

Cancel an Event

Cancel Scheduled Event

Find Event

New Public Message Posted Anywhere

New Message Posted to Channel

New File

New Message From Query

New Pushed Message

New Saved Message

Add Reminder

Send Channel Message

Create Channel

Set Channel Topic

Set Status

Delete Message

Remove User from Channel

Find Public Channel

Get Message by Timestamp

Find User by Email

Find User by Name

About Calendly

Related categories

About Slack

Related categories

Similar apps

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Microsoft Teams

Twist

Related Zap Templates

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