What Scalar API does
Scalar builds API documentation, SDKs, an API registry, and MCP servers from OpenAPI documents. Its docs product creates API references from OpenAPI and AsyncAPI, with Markdown, MDX, and two-way Git sync. Its SDK generator produces type-safe client libraries for TypeScript, Python, Go, PHP, Java, and Ruby. The MCP and agent product turns an OpenAPI document into a hosted MCP server with delegated authentication. Scalar is open source on GitHub, and the site links pricing and a demo request.
How Scalar API compares with its closest alternatives
All 5 closest alternatives have a free plan, as Scalar API does. Only Linear lists a starting price, $8 a month. 4 of the 5 offer an API, as Scalar API does. Scalar API offers a web app. Of the alternatives, all 5 offer a web app. Scalar API was founded in 2023; the alternatives were founded between 2019 and 2023, 4 of them earlier. The alternatives with a known headquarters are in the United States.