microsoft/kiota

Kiota is a command-line tool from Microsoft that generates API client code automatically. When a web service publishes an OpenAPI description (a standard machine-readable document that explains what requests the API accepts and what it returns), Kiota reads that description and writes the code needed to call the API in whatever programming language you choose. The problem it solves is repetition. Developers who work with many different APIs normally have to learn a separate SDK library for each one. Kiota aims to replace that by generating consistent, typed client code that follows the same patterns no matter which API you are connecting to. You get autocomplete in your editor, clear method names matching the API endpoints, and correct data types, all without manually writing the plumbing. Kiota supports multiple languages including C#, Python, Java, TypeScript, Go, and PHP, with varying levels of completeness across features like authentication and serialization. Each language has its own set of required tools listed in the README. Getting started involves three steps: install the language tools you need, install Kiota itself (available through several package managers and as a standalone download), then run a single generation command pointing at an OpenAPI file or URL. Microsoft uses Kiota internally to generate the SDKs for Microsoft Graph, its own large API surface. The project is open source and maintained by Microsoft.