Customize your workspace

Connect, simplify, and automate your work with Slack apps.

Save time and automate repetitive tasks

Turn slow, repetitive, manual processes, like onboarding or gathering feedback, into rapid and automated apps and workflows.

Use Bolt or Workflow Builder to quickly transform the way you work.

Nine Publishing used custom tools and apps to simplify newsroom processes and monitor performance analytics.

Reduced day-long processes to 30 minutes
A future generation approval workflow in motion

Flexible automation for everyone

Minimize multitasking

Reduce the number of apps and websites needed to get work done.

Bring data and tasks from external services and internal tools to where everyone is already collaborating: Slack.

Hearst used their HANS Bot to quickly surface data to decide which stories will perform best. HANS saved the team hours per day on searching for custom reports.

Drove a 50% increase in YouTube views
Automatically handle 3800 inquiries per week

Built for builders

No code workflows

To automate easily, no code required, try Workflow Builder.

Solid foundations

To tinker with advanced customizations, start quickly by using our Bolt framework.

Explore what's possible

Use testers on our API method references to browse and try the range of app capabilities.

Tools for every purpose

No matter how you choose to build, use our official and community tools to make the process simpler.

Your work just works, on any device

Block Kit lets you build UIs without a UI designer. It’s available for use in app surfaces across all devices without any extra code.

Build and prototype UIs in seconds using our Block Kit Builder tool.

TD Ameritrade built a Slack app called BetterBot to source fast, automated answers to common questions.

Reduced support tickets by 2500 per week

Distribute apps to grow your business

Spark discovery

Put your app in front of millions of Slack users. Expand your reach by distributing your app in the App Directory.

Stay top-of-mind

Meet users where they’re most engaged throughout the day — in Slack — with interactive app experiences.

Broaden engagement

Share your app's workflow steps with users, empowering them to integrate your services into everyday processes.

Zapier upgraded their App Directory app to allow users to create complex automations - with no code - using Slack Workflow Builder and Zapier’s 3,000+ partner apps. Zapier also added an App Home to allow users to build automated workflows directly in Slack.

Slack users automate more than 500,000 routine actions per day with Zapier
Users of the Slack app are 10% more likely to convert to paid users at Zapier

Tutorials to spark inspiration

Browse our library of tutorials that start from a range of common app scenarios.

View more tutorials

Updates from us

Developer changelog

Aug 9, 2022

On September 13th, 2022, we will provide a preview of the rtm.start future behavior. If you still use rtm.start to connect to Slack, learn more about when this preview will be happening in your time zone and how it may impact your app.

Jul 14, 2022

Slack is used by public sector teams and their partners for being faster, better organized, and more secure than email. If you're a government agency, contractor, or just intrigued by how Slack supports government communication, our GovSlack documentation is the place to be!

Jul 13, 2022

Bring users information and delight in your Slack apps with the video block now available in Block Kit. Read on to learn more on how to embed videos in your app..

May 12, 2022

Be informed about specific changes to users' data. One of three events will now be dispatched alongside the user_change event: user_huddle_changed, user_profile_changed, or user_status_changed.

May 9, 2022

The file may be deleted, but the record of the event won't be. You can now monitor file_deleted audit events with the Audit Logs API.

Apr 12, 2022

Messages are how people communicate in Slack, message metadata is how apps communicate with apps! Read on to learn about how to spark more automation with your app throughout Slack.

Explore the Slack platform