Slack BOT Creation

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Your team is already in Slack. Instead of building separate dashboards or notification systems, a Slack bot can deliver alerts, respond to commands, and surface important events right where your team works.

TL;DR: Create a Slack bot using the official API, configure permissions, get a token, and send messages programmatically.
Stack: Slack API, Slack Bot Token
Level: Beginner
Reading time: ~5 min

Create the app

  1. Go to https://api.slack.com/apps
  2. Click “Create New App” and choose “From scratch”
  3. Give it a name and select your workspace
  4. Under “OAuth & Permissions”, add the bot scopes you need (at minimum: chat:write)
  5. Click “Install to Workspace” and authorize
  6. Copy the “Bot User OAuth Token” (starts with xoxb-)

Invite the bot to a channel

/invite @YourBotName

Send a message via API

import requests

def send_slack_message(channel: str, text: str, token: str):
    headers = {
        "Authorization": f"Bearer {token}",
        "Content-Type": "application/json"
    }
    payload = {
        "channel": channel,
        "text": text
    }
    response = requests.post(
        "https://slack.com/api/chat.postMessage",
        headers=headers,
        json=payload
    )
    return response.json()

What you’ve built

A working Slack bot: registered at api.slack.com, with the right permissions, installed to your workspace, and able to post messages to any channel via the API.

Next steps

  • Use the slack_sdk Python library (pip install slack_sdk) instead of raw HTTP requests for a cleaner implementation.
  • Add slash command support from the Slack API console to let team members trigger bot actions directly from the Slack message bar.
  • Store your bot token in an environment variable or AWS Secrets Manager, never hardcoded. Rotating a leaked token is painful.

Questions or feedback? Find me on LinkedIn or GitHub.

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