---
title: 'Slack'
description: 'Send messages, manage channels, and interact with Slack workspaces.'
---

# Slack

Send messages, manage channels, and interact with Slack workspaces.

| Detail | Value |
|---|---|
| Category | Communication |
| Base URL | `https://slack.com/api` |
| Authentication | Bearer Token |
| Endpoints | 6 |
| Connector key | `slack` |

## Using Slack in a workflow

1. Go to **Connections** and click **New Connection**.
2. Pick **Slack** from the marketplace.
3. Enter your credentials (see Authentication above for what's expected).
4. In a workflow, drop an **API Call** node and select this connection.
5. Pick the operation you need from the Operation dropdown — see the table below.

## Available Endpoints

| Endpoint | Summary |
|---|---|
| [POST /chat.postMessage](./post_chat_postmessage_messaging_postmessage) | Send a message to a channel |
| [GET /conversations.list](./get_conversations_list_messaging_listchannels) | List all channels |
| [GET /conversations.history](./get_conversations_history_messaging_gethistory) | Fetch channel message history |
| [GET /users.list](./get_users_list_messaging_listusers) | List all users in workspace |
| [GET /users.info](./get_users_info_messaging_getuserinfo) | Get user profile info |
| [POST /reactions.add](./post_reactions_add_messaging_addreaction) | Add a reaction to a message |

> Each endpoint has its own page with parameter details, an example
> `API Call` node configuration, and the response shape.