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Send messages

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

Give users a shortcut

Help users discover what your app can do with Shortcuts.

Automate with workflows

Harness the power of apps, without the code.

Create simple interactions

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

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 changelog

Jul 28, 2020

New header blocks let you provide stronger delineation between groups of content in your app surfaces. Stay ahead of the game by learning how they work.

Jul 13, 2020

Previously, when a user mentioned an app that wasn't party to the conversation, the user could Invite the app to the conversation, Let Them Know, or Do Nothing. The Let Them Know button didn't work. We've fixed that mistake by removing the button, and updated our documentation on the app_mention event as well.

Browse more of the Changelog here.

Latest from the platform blog

Browse more of the Platform Blog here.

Recent tutorials

Sarah Barnekow
Jul 29, 2020

Workflow Builder Steps from Apps

Learn how to configure a Workflow Builder Step from your App. Read More

Steve Gill
Feb 4, 2020

Understanding OAuth scopes for Bots

Learn how use request scopes using OAuth. Read More

Shay DeWael
Jan 14, 2020

Design an Expense App with Block Kit

Learn how to design an expense reporting app using home tabs, modals, and messages.. Read More

Browse more tutorials here.

Want to dive deeper?

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

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Looking for more?

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