Welcome to Stainless
Generate SDKs, docs, a CLI, an MCP server, and more from your OpenAPI spec.
We generate code and tools from your OpenAPI spec to make it easier for people and systems to use your API. We also provide various services to make development, documentation, testing, and launching faster and easier.
Get started quickly
Web quickstart Use the Stainless Studio to generate idiomatic and polished SDKs from your OpenAPI spec
CLI quickstart Use the Stainless CLI to generate idiomatic and polished SDKs from your OpenAPI spec
Your OpenAPI spec Your OpenAPI spec is the foudation Stainless builds on; learn how to create or upgrade your spec, use multiple specs, and more
Generate SDKs Learn how to generate, test, and publish SDKs with Stainless
Generate documentation Use the Stainless Docs Platform to generate your API reference, author guides, and more
Generate a CLI Generate a production-ready command line tool (CLI) from your OpenAPI spec
Tools Learn about the tools we provide to help you use Stainless as effectively as possible
Design decisions Useful and interesting details about why some parts of Stainless work the way they do
Security Learn about our dependency security and how to report security issues