求推荐可可视化设计Swagger REST API并生成Swagger Specification YAML的成熟工具

Great question! With REST apps being so ubiquitous these days, ditching manual YAML editing for a visual design tool makes API work way smoother. Below are mature, well-regarded options—both open-source and commercial—that’ll let you design your Swagger/OpenAPI specs visually and export the final YAML files.

Open-Source & Free Tools #

• Stoplight Studio (Free Tier)：The free version is perfect for individuals or small teams. It has a drag-and-drop visual editor where you can map out endpoints, define request/response schemas, and add authentication rules—all while seeing the YAML update in real time. It also supports basic collaboration and lets you preview your API docs instantly.
• Apicurio Studio：Backed by Red Hat, this open-source tool is built for team-based API design. It offers a clean visual interface, version control integration, and real-time collaboration. You can design every part of your API visually, then export the complete OpenAPI YAML or JSON spec with one click.
• Postman：You probably know Postman for API testing, but it also has a robust API design feature. You can create an API blueprint visually, define endpoints and schemas, and then export it directly as a Swagger/OpenAPI spec. The best part? You can jump straight into testing your API right after designing it, keeping your workflow all in one place.
• OpenAPI Designer：A lightweight, web-based open-source tool focused purely on visual API design. It’s great for quick prototyping—you can add endpoints, set HTTP methods, define request bodies and responses, and export the YAML spec without any extra fluff.

Commercial Tools #

• SwaggerHub：The official commercial platform from the Swagger team. It’s fully integrated with the Swagger ecosystem, so you get a seamless visual design experience, built-in version management, team collaboration tools, and API mocking capabilities. Exporting your Swagger YAML is straightforward, and it’s a go-to for many enterprise teams.
• Stoplight Studio (Pro Tier)：Step up from the free version for advanced team needs. It adds features like API governance policies, CI/CD integration, advanced access controls, and centralized API documentation management. Ideal if you need to scale your API design process across multiple teams.
• SmartBear ReadyAPI：A comprehensive API lifecycle tool that includes visual design, testing, monitoring, and mocking. It fully supports Swagger/OpenAPI specs, letting you design visually, validate your API, and generate the YAML spec—all within a single platform. Great for teams that need end-to-end API management.
• MuleSoft Anypoint Platform：For large enterprises with complex API strategies, this platform lets you visually design APIs, then build, deploy, and manage them at scale. It supports OpenAPI/Swagger specs natively, so you can export your design as YAML and integrate it with other MuleSoft tools for full API lifecycle control.

All these tools take the pain out of writing Swagger YAML manually, letting you focus on your API’s functionality and structure first. Choose based on your team size, collaboration needs, and whether you want extra features like testing or governance alongside design.

内容的提问来源于stack exchange，提问作者Danilo Puric