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Build

  • 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 14, 2017

Network Effects: Getting ready for Shared Channels

Shared channels offer new opportunities to Slack developers — here’s what it means for you.. Read More

Konsus
Sep 5, 2017

Slack as a backend

How we use Slack’s platform to run our remote company. Read More

Ankur Oberoi
Sep 18, 2017

How we built Steno, your app testing sidekick

A testing tool to record and replay Slack API interactions. 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.