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Slack
Score: 15/100

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description
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dataRichness
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timeliness
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sourceRichness
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api.slack.com

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✓ Free
Auth: `OAuth`

About Slack

Team Instant Messaging

🔌 API Specifications

Auth: `OAuth`HTTPSNo CORSpa-social

Usage Tips

  • 💡🔌 Test the API with Postman or curl before integrating
  • 💡💬 Join the discussion below to share your experience and ask questions

Related Resources

🌐

Official Website

Visit the official Slack website

How Does It Compare?

View detailed comparison of Slack vs other popular tools

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Resource Overview

AI-assisted overview

📝 Content Notice

The overview, features, pros/cons, and use cases on this page are generated with AI assistance based on publicly available information. We review and edit AI-generated content for accuracy, but if you spot an error, please let us know.

About this tool

The Slack API is a messaging platform API that reads channels, sends messages, and builds interactive apps inside workspaces. If your team already lives in Slack, this is how your tools talk back.

Pros

  • +Web, Events, and RTM APIs cover every interaction pattern
  • +Block Kit gives you rich, structured messages beyond plain text
  • +Slash commands and shortcuts let users trigger your app inline
  • +Socket Mode simplifies deployment by keeping the socket on your side

Data source: public-apis · Generated: 6/15/2026

Frequently Asked Questions

Is Slack free to use?

Yes, Slack is 100% free to use.

What are the best alternatives to Slack?

Top alternatives to Slack include similar tools in the free tools category. Visit our compare page to see detailed comparisons.

Is Slack open source?

Yes, Slack is open source software. You can view the source code on GitHub.

How do I get started with Slack?

Team Instant Messaging

Resource data sourced from FMHY, last updated: Unknown

We are not responsible for the content of external websites. Please verify all information independently.

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Cost

100% Free

Website

api.slack.com

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