API Editor - Download or Try it in the Cloud

Swagger Editor, now part of SmartBear, is a free, open-source tool for designing and documenting APIs using the OpenAPI Specification (OAS). It enables collaborative API design directly in the cloud or via download, offering a seamless workflow for creating, editing, and validating API definitions in real time. Its unique advantage lies in the integrated Swagger ecosystem, which includes Swagger UI for interactive documentation and Swagger Codegen for generating server stubs and client libraries. This ensures consistent, standard-compliant API design and accelerates development across teams. Ideal for developers, API architects, and product managers, the tool supports agile workflows for building RESTful APIs. It’s perfect for startups and enterprises alike, facilitating rapid prototyping, version control, and team collaboration on API projects. As a cornerstone of the OpenAPI Initiative, Swagger Editor has established industry standards for API description. Its robust, community-driven features make it a trusted choice for millions of developers worldwide.