Scalar

Scalar creates beautiful, interactive API documentation that developers love. It makes it easy to create, maintain, and share comprehensive API documentation with your team, transforming OpenAPI specs into stunning documentation pages.
Project stack

API reference page

Interactive request builder
Documentation is often an afterthought, but it is the first thing developers see when evaluating an API. Scalar was built on the belief that great documentation should be effortless to create and a pleasure to read. Every design decision was made with both the documentation author and the API consumer in mind.

Response inspector

Code generation

Documentation preview
Highlights
- Built an OpenAPI 3.1 parser with comprehensive spec validation
- Created an interactive API playground for testing endpoints
- Implemented automatic code generation in 10+ programming languages
- Designed a theming system matching any brand identity

