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  • internal tools
  • simplified workflows
  • brilliant bots
  • useful apps
  • internal tools

for just your team, or Slack's millions of users

Start Building

Send messages

Messages are the building blocks of apps and bots. Start from “Hello, world,” or connect a service you already use.

Create simple workflows

Your app can respond to user activity, and buttons let users complete simple tasks (like requests and approvals).

Build bots

Add a bot to talk with users and automate tasks (and add a little fun).

Set up internal tools

Need a slash command or a bot just for your team? All our tools can be used for internal integrations.

Publish your app

Submit your app to the Slack App Directory, and reach millions of daily active Slack users.

Latest from the platform blog

Slack API
Sep 19, 2018

Contextually-aware search: GIPHY gets work-specific

How GIPHY increased the overall send rate of Slack integration users by 7.4%. Read More

Rita Kozlov
Aug 9, 2018

Building a Slack bot using Cloudflare Workers

Creating a stock ticker app for Slack. Read More

Blake Bos
Sep 11, 2018

3.7M taco emojis later

Hitting profitability as a two-person Slack business. Read More

Browse more of the Platform Blog here.

Want to dive deeper?

FAQs, tutorials, and more — read up on how to make your app shine.

Start Learning

Looking for more?

These handy links will help you get on your way.