One contract. Every perspective.
A focused toolkit for the moments that determine API quality.
Design with intent.
Create projects, edit YAML or JSON, explore operations and schemas, and save your work in this browser.
Explore the toolValidate the details.
Check your actual specification against OpenAPI 3.0 or 3.1 using Scalar’s maintained parser. Find malformed input, broken local references, and structure errors.
Explore the toolUnderstand what changed.
Compare contracts using explicit rules for removed endpoints, required inputs, response properties, types, and enum compatibility. Review warnings for unsupported constraints.
Explore the toolMake your contract readable.
Search operations, inspect parameters and authentication, explore schemas, and copy examples generated from your specification.
Explore the tool No sign-up needed.Open workspace