Zally – minimalistic, simple-to-use API linter

Zally is a quality assurance tool. It’s a linter for OpenAPI specifications, it performs the following tasks :

• Increases the quality of APIs.
• Checks compliance.
• Delivers early feedback for API designers.
• Ensures the same look-and-feel of APIs.
• Supports API-First approach.
• Provides best practices and advices.

Its standard configuration will check your APIs against the rules defined in Zalando’s RESTful Guidelines, but anyone can use it out-of-the-box.

Zally has an easy-to-use CLI which uses the server in the background so that you can check your API on the spot. It also features an intuitive Web UI that shows implemented rules and lints external files and (with its online editor) API definitions.

This is free and open source software.

Key Features

• Support for OpenAPI 3 and (Swagger) OpenAPI 2 specifications.
• RESTful API, CLI and Web interface.
• Rich Check configuration.
• Ignore functionality (x-zally-ignore extension).
• Java/Kotlin API for new Checks + helper functions.

Website: github.com/zalando/zally
Support:
Developer: Zalando SE
License: MIT License

Zally is written in Kotlin. Learn Kotlin with our recommended free books and free tutorials.

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