Dev tools · alternatives · 2026

24 alternatives to StopLight

Mock, document, and test your way to API nirvana.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. StopLight launched in 2016; newer entries below may have overtaken it.

1. 1
   StopLight▲94

   The easiest way to test, debug, and share your web APIs

   2014 · stoplight.io · its alternatives →

2. 2
   Stoplight – Visual API Tooling▲57

   With Stoplight, you can create OpenAPI descriptions, documentation, and mock servers much faster than other API tools — with no specialized knowledge required — all in one centralized platform.

   2016 · stoplight.io · its alternatives →

3. 3
   Stoplight.io▲84

   Supercharge your API strategy

   2016 · stoplight.io · its alternatives →

4. 4
   HTTP Mock – Intercept, debug and mock HTTP(S) with zero setup▲341

   Beautiful, cross-platform & open-source tools for debugging, testing and building with HTTP(S), on Windows, Linux & Mac.

   2019 · httptoolkit.tech · its alternatives →

5. 5
   Apimint▲170

   Design and Mock API + code SDK + Auto Documentation

   2016 · apimint.com · its alternatives →

6. 6
   API Tester▲209

   The easiest way to test APIs

   2017 · its alternatives →

7. 7
   Light▲86

   One Stop Solution for Collaboration

   2022 · its alternatives →

8. 8
   API_TESTER▲249

   Test your APIs right from the macOS menu bar

   2025 · apps.apple.com · its alternatives →

9. 9
   LambdaTest Chrome Extension▲191

   Cross browser testing by taking full-page screenshots

   2018 · testmuai.com · its alternatives →

10. 10
    Ghost Inspector▲80

    Automated browser testing from the cloud

    2014 · ghostinspector.com · its alternatives →

11. 11
    Mockerie▲235

    Showcase your website or app in realistic settings.

    2015 · mockerie.io · its alternatives →

12. 12
    ezyMock▲81

    Mocking API endpoints has never been easier

    2017 · its alternatives →

13. 13
    FixtureKit▲31

    Turn TypeScript interfaces into realistic mock data

    Jun 2026 · fixture-kit.vercel.app · its alternatives →

14. 14
    Blitz▲127

    Performance testing on websites, web apps & REST APIs

    2015 · blitz.io · its alternatives →

15. 15
    Refraction▲156

    Generate unit tests, create docs and refactor code using AI.

    2023 · refraction.dev · its alternatives →

16. 16
    TestMace▲136

    Work with an API and create automated tests without coding

    2019 · testmace.com · its alternatives →

17. 17
    ApiHome▲73

    Home of API testing

    2022 · apihome.io · its alternatives →

18. 18
    Lighthouse by Google Chrome▲14

    Auditing and performance for Progressive Web Apps

    2016 · github.com · its alternatives →

19. 19
    Cycle Cloud▲76

    Test web apps after they've gone into production

    2021 · app.cyclelabs.io · its alternatives →

20. 20
    Assertible▲50

    The easiest way to test and monitor your APIs

    2016 · assertible.com · its alternatives →

21. 21
    Reffresh▲91

    Simple, no code, mock APIs

    2024 · reffresh.com · its alternatives →

22. 22
    Paw 2▲82

    The missing HTTP & REST API Tester for Mac

    2014 · luckymarmot.com · its alternatives →

23. 23
    Test Cafe▲92

    Automated browser testing

    2016 · devexpress.github.io · its alternatives →

24. 24
    MockingBot▲82

    A rapid prototyping, design collaboration and handoff tool

    2018 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →