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

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

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.

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

Oct 7, 2021

We're starting to roll out a new, opt-in beta UI that lets you configure and reconfigure apps using manifests. We're also launching new App Manifest APIs to let you create and manage all your apps programmatically. Learn more.

Oct 5, 2021

One of our earliest API methods is taking a well-deserved retirement on September 30, 2022. For existing apps, rtm.start will instead return an equivalent response to rtm.connect. Beginning November 30, 2021, newly created apps and integrations will only be able to use rtm.connect. Learn more.

Oct 5, 2021

Introducing two API methods that return information about workspaces previously only available in rtm.start: and team.preferences.list.

Sep 13, 2021

Slack Developer Tools now offers the Platform Guide, an interactive and introductory education experience for developers interested in learning the basics of building a Slack app within a Slack app.

Sep 3, 2021

Pick a time, any time. The timepicker block element is released out of beta and available to use in your spiffy apps. Click here to add the timepicker to your timeless Block Kit messages.

Sep 1, 2021

The link_shared event is changing, bringing unfurls—allowing users to see what's in a link—into the message composer. Read more on magic unfurls for uninstalled apps in the message composer.

Explore the Slack platform