NSwag
A Swagger/OpenAPI toolchain for .NET, ASP.NET Core, and TypeScript that generates specifications and client code.
What is NSwag?
NSwag is a Swagger/OpenAPI toolchain for .NET, ASP.NET Core, and TypeScript that generates OpenAPI specifications from existing ASP.NET Web API controllers and creates client code from those specifications. It solves the problem of maintaining separate tools for API documentation and client generation by combining both functionalities into a single, cohesive workflow. This integration helps avoid compatibility issues and provides enhanced support for complex features like inheritance and enum handling.
Developers working with .NET or ASP.NET Core Web APIs who need to generate OpenAPI documentation and client code for frontend applications written in TypeScript or C#. It is particularly useful for teams implementing contract-first development or maintaining large API ecosystems.
Developers choose NSwag because it unifies the capabilities of Swashbuckle (OpenAPI generation) and AutoRest (client generation) into one toolchain, eliminating the need for multiple dependencies. Its deep integration with .NET and support for advanced JSON Schema features provide a more reliable and feature-rich experience compared to using separate tools.
Overview
The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.
Use Cases
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