Dev tools · alternatives · 2026

24 alternatives to API Tester Pro

Test REST APIs quickly, right in your browser

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   API_TESTER▲249

   Test your APIs right from the macOS menu bar

   2025 · apps.apple.com · its alternatives →

2. 2
   Postman▲182

   Postman is a powerful HTTP client to test REST API

   2014 · its alternatives →

3. 3
   Postman for Mac (Beta)▲368

   Build, test, and document your APIs faster

   2016 · its alternatives →

4. 4
   Mini API Test▲14

   Chrome web store

   2025 · its alternatives →

5. 5OD
   OpenAPI DevTools – Chrome extension that generates an API spec▲811

   Effortlessly discover API behaviour with a Chrome extension that automatically generates OpenAPI specifications in real time for any app or website.

   2023 · github.com · its alternatives →

6. 6
   Apidog Fast Request▲512

   Develop APIs fast + automatically detect endpoints

   2025 · its alternatives →

7. 7
   Mock API Generator▲548

   Generate custom data & API to build apps in less than 30s

   2021 · its alternatives →

8. 8
   API Tester▲209

   The easiest way to test APIs

   2017 · its alternatives →

9. 9
   Test API▲7

   Chrome web store

   2025 · chromewebstore.google.com · its alternatives →

10. 10
    API Sniffer Pro▲2

    A powerful API inspector for developers on Chrome

    Dec 2025 · its alternatives →

11. 11
    Postkit 2.0▲129

    Codepen for mock APIs

    2019 · its alternatives →

12. 12
    Proxy Tester by ScrapeOps▲208

    Benchmark proxies for reliable, target-specific scraping

    Aug 2026 · scrapeops.io · its alternatives →

13. 13
    Rester▲4

    Visual Test Builder for REST APIs.

    2023 · its alternatives →

14. 14
    API Explorer▲7

    Test, document, and optimize apis effortlessly

    2025 · its alternatives →

15. 15NW
    New way to test APIs with OpenAPI and Postman▲80

    2021 · github.com · its alternatives →

16. 16
    Betatesters.io▲208

    The platform connecting mobile developers and beta testers

    2017 · its alternatives →

17. 17
    ApiHome▲73

    Home of API testing

    2022 · its alternatives →

18. 18
    LambdaTest Chrome Extension▲191

    Cross browser testing by taking full-page screenshots

    2018 · its alternatives →

19. 19
    HttpMaster▲82

    Simple and practical tool for testing web apps & services

    2018 · its alternatives →

20. 20IR
    Intercept.rest – Faster API debugging▲89

    Sharing an internal tool that accelerated my development work 10-fold, especially with API debugging. Thought fellow developers here might find it useful. As a developer, I often have trouble reproducing errors at the client end. https://intercept.rest lets me debug and monitor API requests and responses. It is similar to the Network tab in Chrome Developer Tools but works for any API: mobile apps, webhooks, frontend etc. After I shared it with a close circle of friends, they found it incredibly useful and even found new use cases, I never imagined. Been a long time lurker here and…

    2018 · its alternatives →

21. 21
    apiprobe.cloud▲2

    User friendly, In-browser API performance tester.

    2023 · its alternatives →

22. 22
    HTTP Client - API Tester for Chrome

    Test APIs right in your browser. No Postman needed.

    Mar 2026 · chromewebstore.google.com · its alternatives →

23. 23
    Checker▲124

    Detect fake signups in under 200ms with an easy-to-use API

    2025 · its alternatives →

24. 24
    Akto's Test Editor▲143

    Your playground for writing custom API security tests

    2023 · 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 →