Better tools for Web API development

Develop modern RESTful APIs effortlessly using API Genie's OpenAPI-based tools, designed for ultimate developer experience and easy integration with your preferred frameworks.

Everything you need to build a modern RESTful API

API Genie comes batteries included. It takes the best parts of existing tools and adds its own innovations.

OpenAPI 3.x compatible

All API Genie tools are fully compatible with OpenAPI 3.x specifications.

Keep your schemas in good shape

API Genie CLI allows to lint and format your OpenAPI schemas, improving their consistency and quality.

Detect breaking changes

Our tools allow you to detect breaking changes in your APIs early. They also help with establishing versioning policy.

Design your API using a simple language

Sometimes, OpenAPI is too verbose to work with. For such cases, API Genie provides a simple API description language.

Generate client, server and mock code

With our tools, you can generate a lot of code for your APIs. Client libraries, server, as well as test code. Generators support many languages and frameworks.

Open source

API Genie makes many of its tools open source, so users may extends or adapt them to their needs.

Works with your favourite technologies

JavaScript / TypeScript Python C# Java Ruby Elixir PHP

Build better Web APIs.

Unleash the future of API development with API Genie!