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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

Tomomi Imura
Apr 17, 2019

Building more contextual search command results with Block Kit

Take advantage of the new Block Kit elements to send a more contextual message.. Read More

Daily Fire
Apr 16, 2019

Real-time feedback

A simple technique for a delightful user experience within Slack. Read More

Hugo Darwood
Apr 8, 2019

Unlocking buried company knowledge with a custom Slack app

How Deliveroo uses the platform to search for (and update!) business acronyms and terminology in Slack. 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.