Get a fast start with samples and tutorials for common use cases.
Customize your Slack experience with apps using a wide range of APIs.
Block Kit lets you build interfaces without a UI designer. It's available for use in surfaces across all devices without any extra code.
We want to update you about our previous announcement regarding support for classic apps. After much consideration and feedback, we have decided to push back the deprecation date to May 25, 2026.
The Slack CLI is now open source! Long a staple of workflow apps built with the Deno Slack SDK—and now with recent support for Bolt frameworks—we're proud to make the ever-growing Slack CLI part of our collection of open source tooling. We love contributions from our community, so we encourage you to explore and interact with the Github repo. Contributions, bug reports, and any feedback are all helpful; let us nurture the Slack CLI together to help make building Slack apps more pleasant for everyone. Not familiar with the Slack CLI? Visit the docs and follow the installation guide to begin your journey.
Version 3.0.4
of the developer tools for the Slack platform is here!
hooks.json
error message to use a working, valid URL.Retiring of api.slack.com: as previously announced, the Slack platform and developer tools documentation are moving: the Slack platform documentation is now in beta on docs.slack.dev, and the developer tools documentation has moved to its new home on tools.slack.dev. Our next step is to sunset the old documentation experience on api.slack.com, and we plan to do so by the end of June 2025. In the meantime, you may want to update any bookmarks you have pointing to api.slack.com—but not to worry, we'll have redirects in place to make sure you end up right where you need to be!
Version 3.0.2
of the developer tools for the Slack platform is here!
slack version
command to include additional descriptive information and examples when using the --help
flag.slack feedback
command to point to the home of our new and improved documentation on docs.slack.dev!Slack CLI version 3.0.1
delivers a handful of small improvements thank to our developer community feedback.
--token
flag and it'll work when combined with the --app
and --team
flags.--app
flag to use the specified app and it'll work when combined with the --team
flag.