Dev tools · alternatives · 2026

24 alternatives to API Explorer

Test, document, and optimize apis effortlessly

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
   Postman▲182

   Postman is a powerful HTTP client to test REST API

   2014 · its alternatives →

2. 2
   Postman for Mac (Beta)▲368

   Build, test, and document your APIs faster

   2016 · its alternatives →

3. 3
   API_TESTER▲249

   Test your APIs right from the macOS menu bar

   2025 · apps.apple.com · its alternatives →

4. 4RO
   Restfox – Open source lightweight alternative to Postman▲758

   Last time I posted this it didn't garner much interest. There have been lots of improvements and fixes since the last release. Quick list of features: - Workspaces - Tabs - Nested Folders - Lots of context menus - Response history - Plugins - Runs fully in the browser and runs offline if necessary - Chrome and Firefox extension to bypass CORS restrictions - Desktop builds for all platforms - GraphQL support - Import collections exported from Postman and Insomnia - Simple user friendly interface I built this because I love Insomnia but wanted a portable version that I could run in the…

   2022 · restfox.dev · its alternatives →

5. 5
   API Tester▲209

   The easiest way to test APIs

   2017 · its alternatives →

6. 6
   Apifier▲223

   The web scraping and automation platform

   2015 · its alternatives →

7. 7AH
   Apifier – hosted web crawler for developers▲101

   2015 · apifier.com · its alternatives →

8. 8NW
   New way to test APIs with OpenAPI and Postman▲80

   2021 · github.com · its alternatives →

9. 9AA
   Apicat – A Lightweight Offline Postman Alternative▲13

   Apicat is the ultimate offline Postman alternative that stores your .http files locally. It’s Git-friendly, open-source, and highly compatible with Postman. Test APIs offline with this powerful free offline API client designed for developers who need a reliable local API testing tool.

   Oct 2025 · apicat.com · its alternatives →

10. 10
    Apidog Fast Request▲512

    Develop APIs fast + automatically detect endpoints

    2025 · its alternatives →

11. 11
    API Peek▲1

    postman alternative, API Testing tool, API Platform, apipeek

    May 2026 · apipeek.app · its alternatives →

12. 12PA
    Postman and Insomnia Alternatives▲26

    2023 · github.com · its alternatives →

13. 13
    Sparrow▲457

    The lightest and fastest platform for API testing

    2025 · sparrowapp.dev · its alternatives →

14. 14
    Run in Postman Button▲106

    Test public APIs with one click

    2016 · its alternatives →

15. 15
    Abstract APIs▲348

    Simple, powerful APIs for everyday dev tasks

    2020 · its alternatives →

16. 16
    Apitally▲86

    Monitor and secure your REST API with ease

    2023 · its alternatives →

17. 17
    OuterSpace Apizr▲86

    Transform your notebooks into powerful APIs

    2023 · its alternatives →

18. 18
    API Tester Pro▲3

    Test REST APIs quickly, right in your browser

    2025 · chromewebstore.google.com · its alternatives →

19. 19
    Xplorer▲103

    A Secure, 100% Local API Client

    Nov 2025 · karatelabs.io · its alternatives →

20. 20
    ApiHome▲73

    Home of API testing

    2022 · its alternatives →

21. 21
    Roley▲26

    API Testing tool built for Teams

    May 2026 · roley.io · its alternatives →

22. 22AA
    Apitally – A simple, privacy-focused API monitoring and analytics tool▲46

    G’day Hacker News, I’m Simon Gurcke, the sole founder of Apitally (https://apitally.io). I’m building a simple API monitoring and analytics tool for Python / Node.js apps. It helps users understand API usage and performance, spot issues early and troubleshoot effectively when something goes wrong. Features include: - Dashboards: Provide insights into API traffic, errors, performance and consumers. - Request logging: Opt-in and highly configurable in terms of what data is logged. Users can drill down from aggregated metrics to individual requests (proven to be super helpful…

    2025 · apitally.io · its alternatives →

23. 23
    Postkit 2.0▲129

    Codepen for mock APIs

    2019 · its alternatives →

24. 24LO
    Library of API collections for Postman▲77

    2017 · postmancollections.com · 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 →