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Scalar
A modern API platform built for the OpenAPI™ standard

What is Scalar?

Scalar provides a complete API platform designed around the OpenAPI standard, offering tools for documentation, SDK generation, API registry management, and API client functionality. The platform emphasizes open-source principles and modern development practices to help teams build, manage, and consume APIs more efficiently.

With features including Git integration, offline-first capabilities, and support for multiple programming languages, Scalar enables developers to maintain up-to-date API references, generate type-safe client libraries, and collaborate effectively on API projects while avoiding vendor lock-in.

Features

  • API Documentation: Generate modern documentation with Markdown, MDX, and OpenAPI integration
  • SDK Generation: Create type-safe client libraries for TypeScript, Python, Golang, PHP, Java and Ruby
  • API Registry: Centralized repository for OpenAPI documents, JSON schemas, and Spectral rules
  • API Client: Open-source, offline-first REST client with OpenAPI support and collaboration features
  • Git Integration: Sync documentation and API definitions with repository workflows
  • OpenAPI Compliance: Strict adherence to OpenAPI standards across all platform components

Use Cases

  • Generating API documentation from OpenAPI specifications
  • Creating SDKs for multiple programming languages from API definitions
  • Managing API versioning and governance in centralized registry
  • Testing APIs with modern client tools and collaboration features
  • Building developer portals with up-to-date API references
  • Integrating API workflows with CI/CD pipelines

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