Stoplight Alternatives

Apps similar to Stoplight include Postman, which has a free version. Other options are Fiddler, Yaak, ApiArk and Proxyman. There's no shortage of API Clients like Stoplight, with more than 50 alternatives for Mac, Windows, Linux, the web and self-hosting.

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Alternatives
Stoplight alternatives page was last updated

Alternatives list

  1. Lightweight, free and open-source offline REST and GraphQL API client for Visual Studio Code. A privacy-focused client for testing APIs, HTTP requests and web services.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Cursor
    • Windsurf
    • Visual Studio Code
    Good alternative?
     
  2. Free browser-based OpenAPI editor from Postman. Design or import a Swagger 2.0, OpenAPI 3.0, or OpenAPI 3.1 spec (YAML or JSON) and see live documentation with inline validation as you type. No signup, no install. Part of Postman's suite of free developer tools at postman.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  3. The apicurio studio project is a standalone, self-hostable, web-based API design studio that can be used to create new or edit existing API designs (using the OpenAPI specification).

    Cost / License

    Platforms

    • Online
    • Self-Hosted
    Good alternative?
     
  4. Postkit icon
     Like

    Postkit allows developers to quickly prototype API endpoints to use in their applications and websites. It’s great if you just need some JSON endpoints for your web app or to capture inputs from an HTML form.

    Cost / License

    • Free
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Online
    Good alternative?
     
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