Visit the documentation site for all the lovely details.
This SDK is a collection of single-purpose packages. The packages are aimed at making building Slack apps easy, performant, secure, and scalable. They can help with just about anything in the Slack platform, from dropping notifications in channels to fully interactive bots.
The Slack platform offers several APIs to build apps. Each Slack API delivers part of the capabilities from the platform, so that you can pick just those that fit for your needs. This SDK offers a corresponding package for each of Slack's APIs. They are small and powerful when used independently, and work seamlessly when used together, too.
Just starting out? The Getting Started tutorial will walk you through building your first Slack app using Node.js.
| Slack API | What its for | NPM Package |
|---|---|---|
| Web API | Send data to or query data from Slack using any of over 220 methods. | @slack/web-api |
| OAuth | Setup the authentication flow using V2 OAuth for Slack apps as well as V1 OAuth for classic Slack apps. | @slack/oauth |
| Incoming Webhooks | Send notifications to a single channel which the user picks on installation. | @slack/webhook |
| Socket Mode | Listen for incoming messages and a limited set of events happening in Slack, using WebSocket. | @slack/socket-mode |
Not sure about which APIs are right for your app? Read our blog post that explains the options. If you're still not sure, reach out for help and our community can guide you.
Deprecation Notice
@slack/events-api and @slack/interactive-messages officially reached EOL on May 31st, 2021. Development has fully stopped for these packages and all remaining open issues and pull requests have been closed.
At this time, we recommend migrating to Bolt for JavaScript, a framework that offers all of the functionality available in those packages (and more). To help with that process, we've provided some migration samples for those looking to convert their existing apps.
Use your favorite package manager to install any of the packages and save to your package.json:
$ npm install @slack/web-api @slack/socket-mode
# Or, if you prefer yarn
$ yarn add @slack/web-api @slack/socket-modeThe following examples summarize the most common ways to use this package. There's also a Getting Started tutorial that's perfect for just starting out, and each package's documentation, linked in the table above.
Your app will interact with the Web API through the WebClient object, which is an export from @slack/web-api. You
typically instantiate a client with a token you received from Slack. The example below shows how to post a message into
a channel, DM, MPDM, or group. The WebClient object makes it simple to call any of the over 130 Web API
methods.
const { WebClient } = require('@slack/web-api');
// An access token (from your Slack app or custom integration - xoxp, xoxb)
const token = process.env.SLACK_TOKEN;
const web = new WebClient(token);
// This argument can be a channel ID, a DM ID, a MPDM ID, or a group ID
const conversationId = 'C1232456';
(async () => {
// See: https://api.slack.com/methods/chat.postMessage
const res = await web.chat.postMessage({ channel: conversationId, text: 'Hello there' });
// `res` contains information about the posted message
console.log('Message sent: ', res.ts);
})();Note: To use the example above, the token is required to have either the bot, chat:user:write, or
chat:bot:write scopes.
Tip: Use the Block Kit Builder for a playground where you can prototype your message's look and feel.
Refer to Bolt for JavaScript document pages.
Refer to Bolt for JavaScript document pages.
Refer to the module document page and Bolt for JavaScript document page.
This package supports Node v14 and higher. It's highly recommended to use the latest LTS version of node, and the documentation is written using syntax and features from that version.
If you get stuck, we're here to help. The following are the best ways to get assistance working through your issue:
- Issue Tracker for questions, feature requests, bug reports and general discussion related to these packages. Try searching before you create a new issue.
- Email us in Slack developer support:
[email protected]
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