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Your OpenAPI spec
Overview

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.

Stainless uses your OpenAPI spec to generate SDKs, documentation, a CLI, and much more. An accurate and comprehensive OpenAPI spec is key to getting the most out of Stainless.

OpenAPI requirements Details about the OpenAPI versions and features Stainless supports
Create an OpenAPI spec How to create or generate an OpenAPI spec for your API
Update your OpenAPI spec Upgrade from Swagger 2.x to OpenAPI 3.x
Use multiple OpenAPI specs Use multiple specs to generate a single set or multiple sets of targets
Generate an OpenAPI repository Use Stainless to generate a Git repo for your OpenAPI spec
Stainless OpenAPI transforms Change the way Stainless sees your OpenAPI spec without changing the spec itself