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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

Netali j
Feb 20, 2019

Building richer app experiences with Block Kit

How Doodle reimagined their scheduling app on Slack. Read More

Slack API
Feb 13, 2019

Block party

Meet Block Kit, an easier way to build powerful apps. Read More

Chris Buttenham
Feb 11, 2019

Increasing core action completion by 45%

How user feedback helped Obie level up with pageable Slack message attachments. 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.