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🔧 Scalar

Scalar

Beautiful, customizable, and interactive API references.

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Overview

Scalar is a modern, open-source tool for generating beautiful and interactive API documentation from OpenAPI specifications. It offers a highly customizable experience with themes and layouts. A key feature is its powerful integrated API client, which allows users to make test requests directly from the documentation, blurring the line between API docs and an API client like Postman.

✨ Key Features

  • Open-source and free
  • Supports OpenAPI 3.1, 3.0, and 2.0
  • Highly customizable with themes
  • Powerful integrated API client ('Try It' feature)
  • Generates code samples in multiple languages
  • Fast and lightweight

🎯 Key Differentiators

  • The most powerful integrated API client of any open-source documentation tool
  • Modern and highly customizable design
  • Developed by a team with deep expertise in API specifications

Unique Value: Offers a free, open-source way to create beautiful, modern API documentation with an exceptionally powerful and integrated API client for testing.

🎯 Use Cases (3)

Creating modern, visually appealing API reference pages Embedding interactive API documentation into existing websites Providing a powerful API testing experience within the docs

✅ Best For

  • Open-source projects wanting a modern alternative to Swagger UI
  • Companies wanting to self-host their API documentation with a rich feature set

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Teams needing a fully hosted, managed solution with user accounts and analytics

🏆 Alternatives

Swagger UI Redoc RapiDoc

Compared to Swagger UI and Redoc, Scalar provides a much richer and more capable 'Try It' experience, making it a better tool for interactive API exploration.

💻 Platforms

Web

✅ Offline Mode Available

🔌 Integrations

Can be embedded in various web frameworks (React, Vue, etc.) and platforms like GitBook.

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: Completely free and open-source.

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