Input OpenAPI. Output SDKs and Docs.

Generates a PHP SDK based on a WSDL, simple and powerful, WSDL to PHP

Generating SDKs for multiple programming languages and platforms ⚙️

easytemplate is Go's text/template with 🦸 JS super powers 🦸

JS-SDKGen is a Javascript SDK Code generator for your API. It uses apidoc definitions from swagger or apidocjs and generates the Javascript SDK automatically. Along with SDK, it also generates SDK usage documentation, thus saving hours of work for you in writing SDK & usage documentation

SDKgen is a powerful code generator to automatically build client SDKs for your REST API.

A GitHub Action that installs the Fern CLI into a workflow using npm.

Configuration for generating SDKs and Documentation.

OpenAPI SDK generator for humans. Type-safe, async-first, developer-friendly.

An opinionated OpenAPI normalizer and code generator for creating clean, minimal, and modern client SDKs.

Comparing Swift SDKs from different SDK generator tools for the same OpenAPI spec.

[Demo] A Fern configuration that generates Docs & SDKs for Stripe's API.

Generators for complex SDKs

🔍 Record browser sessions → Auto-discover hidden APIs → Export TypeScript SDK + OpenAPI 3.0 + MCP Server. Local-first, privacy-safe.

⚡ The contract-first API generator. Define schemas, generate Backend routes & Frontend SDKs instantly. Supports Express, Next.js, Fastify & more.

Kronup SDK Generator

GitHub Action for updating SDKs from an OpenAPI spec

TypeScript-first toolkit for Tree-sitter grammars. Generate type-safe SDKs with full IDE support.

Unreal Engine SDK Generator