n8n Node Guide: Slack

Description

Communication node in n8n.

What It Does

Send messages and interact with Slack channels.

When To Use It

Team alerts, approvals, notifications, digests.

Key Parameters

Operation (post message, reply), Channel, Text

Common Mistakes

Token scopes matter – posting needs chat:write, reading needs channels:history.

Example

Error Trigger -> Slack post to #alerts with the failure details.

FAQ

Is this node included in n8n Community Edition?

Yes – Slack ships with the free Community Edition. No paid license needed.

Use blocks for rich formatting; plain text for simple alerts.?

Where does it fit in a workflow?

Slack works with any other node – connect it after a trigger or data node, and feed its output into the next step. Standard n8n data flow: trigger -> transform -> act.

Is support included?

Yes – message the seller through the store and I will help you wire this node.