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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

May 21, 2020

The deadline for all Slack apps to use the Conversations API—instead of its antecedents—has moved from November 2020 to February 24th, 2021. Newly created Slack apps won't be able to use channels.*, im.*, mpim.*, or groups.* methods beginning June 10th, 2020. Warnings will soon be included as part of deprecated responses. Learn more.

May 20, 2020

Use the Calls API to hook your calls natively into Slack. Catch up on Calls.

May 5, 2020

Legacy tester tokens may no longer be created. Existing tokens may continue to be used, regenerated, or revoked. Tokens left unused for three months or more will be regularly revoked. Learn more from our February 2020 announcement.

Browse more of the Changelog here.

Latest from the platform blog

Browse more of the Platform Blog here.

Recent tutorials

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

Tomomi Imura
Oct 31, 2019

Building a home for your app 🏡

Learn how to create the App Home view and use the modals. Read More

Browse more tutorials 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.