Dev tools · alternatives · 2026

24 alternatives to Rester

Visual Test Builder for REST APIs.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Rester launched in 2023; newer entries below may have overtaken it.

1. 1
   API Tester▲209

   The easiest way to test APIs

   2017 · its alternatives →

2. 2
   API Tester Pro▲3

   Test REST APIs quickly, right in your browser

   2025 · chromewebstore.google.com · its alternatives →

3. 3
   Mock API Generator▲548

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

   2021 · its alternatives →

4. 4
   ApiHome▲73

   Home of API testing

   2022 · its alternatives →

5. 5
   BuildShip▲421

   Low-code visual backend builder, powered by AI

   2023 · its alternatives →

6. 6
   MVP Tester▲284

   Don't waste your time building the wrong idea

   2024 · its alternatives →

7. 7
   Postman▲182

   Postman is a powerful HTTP client to test REST API

   2014 · its alternatives →

8. 8
   Apimint▲170

   Design and Mock API + code SDK + Auto Documentation

   2016 · its alternatives →

9. 9
   API_TESTER▲249

   Test your APIs right from the macOS menu bar

   2025 · apps.apple.com · its alternatives →

10. 10NW
    New way to test APIs with OpenAPI and Postman▲80

    2021 · github.com · its alternatives →

11. 11
    Fabloq▲119

    Low Code API Builder

    2024 · its alternatives →

12. 12
    Akto's Test Editor▲143

    Your playground for writing custom API security tests

    2023 · its alternatives →

13. 13
    Pica Pica▲165

    Generate RESTful API's through a simple desktop interface.

    2017 · its alternatives →

14. 14
    Bolter▲6

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

    2022 · its alternatives →

15. 15
    Temp API▲88

    Test your frontend apps with temporary rest APIs

    2021 · its alternatives →

16. 16IR
    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 →

17. 17UR
    Use REST APIs? Test them!▲5

    2015 · dareid.github.io · its alternatives →

18. 18
    InstaAPI▲104

    Low-code API builder

    2023 · its alternatives →

19. 19
    Building APIs with Node.js▲130

    Build scalable APIs in Node.js platform

    2016 · its alternatives →

20. 20GR
    Generate REST APIs for Existing Applications▲85

    2012 · emergentone.com · its alternatives →

21. 21
    Fetch Client▲78

    REST client extension for VS code, alternative to Postman

    2022 · its alternatives →

22. 22
    Fabloq▲102

    Low-code API builder

    2023 · its alternatives →

23. 23
    WebTestIt▲101

    A free lightweight IDE optimized for building UI web tests.

    2020 · its alternatives →

24. 24
    req▲71

    A lightweight, minimal yet powerful API testing tool

    2022 · 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 →