Integrate Slack with Trello to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Create Board in Trello when New Message in Channels in Slack channels
Create Trello Card in Trello when New Message in Channels in Slack channels
Update Card on Trello when New Message in Channels in Slack channels
Add Comment to Card on Trello card when New Message in Channels in Slack channels
Create List in Trello when New Message in Channels in Slack channels
Start from a real workflow other teams are already running.
Slack
When this happens...
New Message in Channels
New User Joined or Updated in Your Org
New Message on Slack
New Thread Message
New member join/leave or updated in channel
New Mention
Trello
Automatically do this!
Create Board
Create Trello Card
Update Card
Add Comment to Card
Create List
Move Card to List
Add Checklist to Card
Add Attachments to a Card
Add Label To Card
Add Member to Card
Create Checkitem on Checklist
Create Label
Find Member
Find Label on Board
Find Or Create List
Find Checklist Item
Find Checklist
Find Board
Remove Label From Card
Delete Checklist in Card
Copy Board
Close Board
Archieve Card
Complete Checklist item in Card
List All Lists On Board
Find Card
List Cards in a List
Find Comments Using Card ID
Get Activities Of Card
Add Comment to Card
Remove Member From Card
Get Cards From a List
Create Board in Trello when New Message in Channels in Slack channels
Use this flowCreate Trello Card in Trello when New Message in Channels in Slack channels
Use this flowUpdate Card on Trello when New Message in Channels in Slack channels
Use this flowAdd Comment to Card on Trello card when New Message in Channels in Slack channels
Use this flowCreate List in Trello when New Message in Channels in Slack channels
Use this flowMove Card to List in Trello when New Message in Channels in Slack channels
Use this flowAdd Checklist to Card on Trello when New Message in Channels in Slack channels
Use this flowAdd Attachments to a Card in Trello when New Message in Channels in Slack channels
Use this flowAdd Label To Card in Trello when New Message in Channels in Slack channels
Use this flowAdd Member to Card in Trello when New Message in Channels in Slack channels
Use this flowEverything you can automate between Slack and Trello.
When this happensTriggers
A trigger is an event that starts a workflow.
Runs when a new message is received in a specific Slack channel. You can select which channel to monitor.
Triggers when a new user join workspace.
Runs when a new message is posted anywhere in Slack — across all channels and direct messages. No channel filter applied.
Runs when new thread message
Triggers when a user joins, leaves, or updates their profile in the selected Slack channel.
Runs when someone mentions your Slack app or user in a channel you belong to.
Action is the task that follows automatically within your Slack integrations.
Send or schedule a message to a channel, user, or thread; supports channel names and IDs.
Collect approval or form responses
Send Block, buttons, or slack form using AI
Open Model as a response or any BlockKit action
Update your open or any other chat message using messageTs
Post a reply to an existing Slack thread. Supports immediate or scheduled delivery,
Launch your automation in minutes using professionally built workflow templates. Customize them anytime to fit your needs.

Follow a simple walkthrough to create, test, and launch your first automation.
Connect your apps
Link the apps you want to automate.
Configure your workflow
Set up triggers, actions, and map your data.
Test & publish
Test your workflow and publish it.
Recognized by leading review platforms and trusted by 10,000+ businesses worldwide.
Just describe the task in plain English. viaSocket AI selects the right apps, builds the workflow, maps the fields, and prepares everything for review before you publish.
Step-by-step video tutorials to help you connect apps, automate workflows, and save time.

Learn how to automate Slack and Trello workflows.

Learn how to automate Slack and Trello workflows.

Learn how to automate Slack and Trello workflows.

Learn how to automate Slack and Trello workflows.

Learn how to automate Slack and Trello workflows.

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Slack is an AI-powered work platform for team communication, collaboration, project coordination, and workflow automation. It helps organizations centralize conversations, share files, manage channels, and integrate tools to keep work moving in one place.
Learn moreTrack progress of tasks in one convenient place with a visual layout that adds 'ta-da' to your to-do's
Learn moreSign up for a free viaSocket account, then authorize both your Slack and Trello accounts. From there, pick a trigger in one app and an action in the other. Your first workflow can be live in under five minutes.
Yes. viaSocket uses instant triggers where available, so data moves between Slack and Trello as soon as the event happens. Scheduled polling triggers run at a maximum interval of 15 minutes.
Yes. You can map specific fields, apply filters to skip records that do not match your conditions, and transform values before they reach Trello. No coding required.
Yes. You can set up a workflow where Slack triggers actions in Trello, and a separate workflow where Trello triggers actions in Slack. Both run independently and in real time.
viaSocket logs every run so you can see exactly what succeeded and what failed. Failed tasks can be retried from the dashboard without re-configuring the workflow.
Yes, there is a free plan that covers basic workflows between Slack and Trello. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Slack and Trello integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.