Customize your workspace
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.
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.
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.
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.Tutorials to spark inspiration
Browse our library of tutorials that start from a range of common app scenarios.Updates from us
Developer changelog
We gave this dusty place a new coat of paint. Enjoy our updates to api.slack.com to help you navigate, discover, and absorb content more easily. Almost everything should be where you’d expect it.
Use manifests to create and manage apps from saveable, shareable, and relatable YAML and JSON. Try out some sample manifests in our new guided tutorials.
Apps using classic message attachments have an updated look. Attachment images now have a hover menu and will mostly appear to the right of text. Click here to review the new design. Consider using Block Kit to have more control over how images render.
We're teaching old blocks new tricks. Starting April 20, 2021 input blocks are now able to exist within messages, allowing you to gather information more swiftly within conversation. Learn more about how to extend your Block kit messages.
Apps may now broadcast messages to users via direct message without handling unnecessary or unsupported conversation and slash commands. Starting March 29, 2021, this feature will be default for all newly-created Slack apps. Get started by visiting the App Home tab of your existing Slack apps.
Newly created private channel IDs now always begin with the letter C, just like public channel IDs already do. The Conversations API will tell you whether a conversation is private or not with the is_private boolean field.