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Connect Cal.com to Trello

Use 4 documented Cal.com triggers to run 24 documented Trello actions.

4 source triggers
24 target actions
Reverse direction supported

Why Connect Cal.com & Trello?

Start with a Cal.com event

Choose from 4 documented triggers, including Booking Cancelled, Booking Ended, Booking Rescheduled.

Run a Trello action

Send the event into one of 24 documented actions, such as Add Attachment To Card, Add Checklist, Add Comment.

Map and review the workflow

Choose the fields and conditions for the workflow, then test the result before activation.

Available Triggers & Actions

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Cal.com

Triggers (4)

Booking Cancelled

Emit new event when a booking is cancelled.

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Booking Ended

Emit new event when a booking ends.

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Booking Rescheduled

Emit new event when a booking is rescheduled.

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New Booking Created

Emit new event when a new booking is created.

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Actions (7)

Cancel Booking

Cancel an existing booking by its UID. Note: Cal.com v2 replaces the v1 delete endpoint with a cancellation flow; the booking is marked cancelled rather than removed. See the documentation

Create Booking

Create a new booking. See the documentation

Create Booking (V2)

Create a booking using Cal.com API v2 (Option 1). See documentation

Get All Bookings

Retrieve all bookings from Cal.com. See the documentation

Get Bookable Slots

Retrieve available bookable slots between a datetime range. See the documentation

Get Booking

Retrieve a booking by its UID. See the documentation

List Event Type ID Options

Retrieves available options for the Event Type ID field.

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Trello

Triggers (12)

Card Moved (Instant)

Emit new event each time a card is moved to a list.

webhook
New Card (Instant)

Emit new event for each new Trello card on a board.

webhook
Card Updated (Instant)

Emit new event for each update to a Trello card.

webhook
New Label Added To Card (Instant)

Emit new event for each label added to a card.

webhook
New Notification

Emit new event for each new Trello notification for the authenticated user.

polling
Card Due Date Reminder

Emit new event at a specified time before a card is due.

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New Member on Card (Instant)

Emit new event for each member that join in a card.

webhook
Card Archived (Instant)

Emit new event for each card archived.

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Custom Webhook Events (Instant)

Emit new events for activity matching a board, event types, lists and/or cards.

webhook
New Attachment (Instant)

Emit new event when a new attachment is added on a board.

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New Board (Instant)

Emit new event for each new board added.

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New Board Activity (Instant)

Emit new event for new activity on a board.

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Actions (24)

Add Attachment To Card

Adds a file attachment on a card. See the documentation

Add Checklist

Adds a new checklist to a card. See the documentation.

Add Comment

Create a new comment on a specific card. See the documentation.

Add Existing Label to Card

Adds an existing label to the specified card. See the documentation.

Add Member to Card

Adds a member to the specified card. See the documentation.

Archive Card

Archives a card. See the documentation.

Complete a Checklist Item

Completes an existing checklist item in a card. See the documentation.

Create a Board

Create a new Trello board or copy from an existing one. See the documentation.

Create a Checklist Item

Creates a new checklist item in a card. See the documentation.

Create a List

Creates a new list. See the documentation.

Create Card

Creates a new card. See the documentation.

Create Label

Creates a new label on the specified board. See the documentation.

Delete Checklist

Deletes the specified checklist. See the documentation.

Find a Label

Finds a label on a specific board by name. See the documentation

Find a List

Finds a list on a specific board by name. See the documentation.

Get Board

Request a single board. See the documentation.

Get Card

Gets a card by its ID. See the documentation.

Get Cards In A List

List the cards in a list. See the documentation.

Get Cards On A Board

Get all of the open Cards on a Board. See the documentation.

Get List

Get information about a List. See the documentation.

Get Member

Gets a member by their ID. See the documentation

List Boards

Lists the boards that the user is a member of. See the documentation

List Organization IDs Options

Retrieves available options for the Organization IDs field.

Move Card to List

Moves a card to the specified board/list pair. See the documentation.

Integration Features

4 documented Cal.com triggers
24 documented Trello actions
Configurable field mapping
Conditional workflow steps
Execution monitoring
A supported Trello to Cal.com direction

Capability Examples

Cal.com trigger → Trello action

Catalog example
Cal.comCal.com

Booking Cancelled

TrelloTrello

Add Attachment To Card

Trello trigger → Cal.com action

Reverse direction
TrelloTrello

Card Moved (Instant)

Cal.comCal.com

Cancel Booking

How It Works

1

Connect Apps

Authenticate your Cal.com and Trello accounts

2

Choose a Trigger

Select a documented Cal.com event

3

Choose an Action

Select the documented Trello operation to run

Test and Review

Verify field mapping and provider responses before activation

Frequently Asked Questions

Integration Benefits

Trigger-driven Workflows

Start the supported direction from one of 4 documented Cal.com triggers.

Automated Actions

Run one of 24 documented Trello actions after the selected trigger fires.

Provider Authentication

Review the authentication requirements published by each provider before activating the workflow.

Guided Configuration

Select a documented trigger, choose a target action, and map the fields required by the workflow.

Field Mapping

Map the fields exposed by the selected trigger and action, then review the required provider inputs.

Execution Review

Test the workflow and review provider responses before relying on it in production.

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Reverse Integration Available

Also connect Trello to Cal.com for bidirectional automation

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All Cal.com Integrations

Explore all available Cal.com connections

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All Trello Integrations

Explore all available Trello connections

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