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Slack Post Message

n8n-nodes-base.httpRequest

Send a message to a Slack channel or user via the chat.postMessage API. Supports rich formatting, blocks, and attachments.

slack message chat post communication
API Docs
Platform
Slack
Category
api integration
Version
1.0.0
Auth Required
Yes

Use Cases

Send notifications to team channels
Post workflow status updates
Send direct messages to users

Configuration

Node Configuration Summary
Ready-to-use Slack node configured for slack post message. Copy and paste directly into your n8n workflow.
Method: POST
Endpoint: /api/chat.postMessage
Nodes: 2
Auth: Slack OAuth2 API
BuildShip-ready configuration with API call node and custom logic.
Make.com scenario configuration with HTTP module and data processing.

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Slack Get Channel History
Fetch message history from a Slack channel using the conversations.history API. Supports pagination and time-based filtering.
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Slack Get User Info
Retrieve detailed information about a Slack user using the users.info API. Returns profile, status, and timezone data.
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Slack Invite to Channel
Invite one or more users to a Slack channel using the conversations.invite API.
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List all channels in a Slack workspace using the conversations.list API. Supports filtering by channel type and pagination.
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