Dev tools · alternatives · 2026

24 alternatives to API Tester

The easiest way to test APIs

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. API Tester launched in 2017; newer entries below may have overtaken it.

1. 1
   Assertible▲50

   The easiest way to test and monitor your APIs

   2016 · assertible.com · its alternatives →

2. 2
   Every Developer▲138

   Evaluate an API before you code

   2016 · everydeveloper.com · its alternatives →

3. 3
   Apimint▲170

   Design and Mock API + code SDK + Auto Documentation

   2016 · apimint.com · its alternatives →

4. 4
   API_TESTER▲249

   Test your APIs right from the macOS menu bar

   2025 · apps.apple.com · its alternatives →

5. 5
   QA.tech 1.0▲413

   Hi, I'm Daniel, CEO of QA.tech. We've spent the past 18 months developing a cool tool that allows you to run end-to-end tests on any web application using natural language. Check it out and let us know what you think! I used to be a CTO at a B2C marketplace and was taken aback that all qa agencies we talked to wanted to create a custom suite of tests from scratch. Even though we were essentially a e-com with the same functionality as everyone else. Why weren't there any best practices? Some time later my co-founders and I had moved on and were looking for the next thing to do. AI agents…

   2025 · qa.tech · its alternatives →

6. 6
   Inside Dev▲114

   Breaking news and info for developers

   2017 · inside.com · its alternatives →

7. 7
   ApiHome▲73

   Home of API testing

   2022 · apihome.io · its alternatives →

8. 8
   StopLight▲94

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

   2014 · stoplight.io · its alternatives →

9. 9
   Apiary▲101

   Blueprint for API Development

   2013 · apiary.io · its alternatives →

10. 10
    ABBY.io▲94

    The easiest way to evaluate A/B tests, all in a single place

    2015 · abby.io · its alternatives →

11. 11
    Run in Postman Button▲106

    Test public APIs with one click

    2016 · postman.com · its alternatives →

12. 12
    Test Cafe▲92

    Automated browser testing

    2016 · devexpress.github.io · its alternatives →

13. 13
    veggies▲7

    The easiest way to test APIs

    2017 · github.com · its alternatives →

14. 14
    API Starter pack▲9

    Resources for developers to create APIs

    2016 · its alternatives →

15. 15
    Testomato▲32

    The Fastest Automated Website Testing Tool

    2014 · testomato.com · its alternatives →

16. 16
    #Test▲4

    #Test

    2017 · oogle.nl · its alternatives →

17. 17
    Bolter▲6

    All-in-one tool to build, test and document APIs

    2022 · bolter.app · its alternatives →

18. 18
    API Test Online▲3

    test your api online

    2018 · its alternatives →

19. 19
    API Explorer▲7

    Test, document, and optimize apis effortlessly

    2025 · apiexplorer.vercel.app · its alternatives →

20. 20
    Mocky.io▲9

    Mock your HTTP responses to test your REST API

    2016 · its alternatives →

21. 21
    Master Dev API▲6

    Debug test & optimize your code instantly – all in one API🚀

    2025 · mimi800-debug.github.io · its alternatives →

22. 22
    Next-Gen AI Test Platform for APIs & Web▲12

    AI-powered API tests from natural language, instantly

    Nov 2025 · testneo.ai · its alternatives →

23. 23
    Test▲20

    Test

    2019 · its alternatives →

24. 24
    wt.tools▲7

    Opinionated Developer Toolbox

    2025 · 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 →