Dev tools · alternatives · 2026

24 alternatives to onmock.dev

free api mock tool

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

1. 1
   NinjaMock▲81

   The faster, better and funnier way of making mockups

   2016 · its alternatives →

2. 2
   Mock Maker▲93

   Effortless mock APIs for seamless testing & prototyping

   2024 · its alternatives →

3. 3
   EazyMock▲4

   Making API easier than you would expect

   2023 · its alternatives →

4. 4
   ezyMock▲81

   Mocking API endpoints has never been easier

   2017 · its alternatives →

5. 5
   Postkit 2.0▲129

   Codepen for mock APIs

   2019 · its alternatives →

6. 6
   quickMockup▲184

   Simple drag and drop mockups

   2016 · its alternatives →

7. 7AO
   Automock – Open-Source Project for Simpler Unit Testing in TypeScript▲11

   2023 · github.com · its alternatives →

8. 8
   apimock-rs▲9

   A developer-friendly, fast and functional HTTP(S) server.

   Nov 2025 · apimokka.github.io · its alternatives →

9. 9
   MockingBot▲82

   A rapid prototyping, design collaboration and handoff tool

   2018 · its alternatives →

10. 10
    Pocket-Mocker▲5

    Browser-native visual API mocking tool for frontend devs.

    Dec 2025 · github.com · its alternatives →

11. 11
    Mocktotype▲149

    A simple tool to display your mockups in a browser

    2015 · its alternatives →

12. 12AA
    APIMock – API Mock server with domain support and proxy to record mocks▲6

    2020 · github.com · its alternatives →

13. 13
    EazyMock▲9

    Mock APIs for your projects

    2024 · its alternatives →

14. 14
    DataMock▲8

    Generate free realistic mock data instantly for testing.

    Nov 2025 · its alternatives →

15. 15RG
    Rapidmock – Generate a mock API in seconds▲7

    2022 · rapidmock.com · its alternatives →

16. 16
    Automock.app▲6

    Api first platform for mockup generation

    Oct 2025 · its alternatives →

17. 17
    MockAnAPI▲21

    Your gateway to seamless API mocking and robust development

    2023 · its alternatives →

18. 18
    DevApiService▲6

    Mock or fake API services

    2024 · its alternatives →

19. 19ST
    Simple tool to generate mock APIs for testing▲25

    2024 · endpts.io · its alternatives →

20. 20
    MailMock▲10

    Simplified email testing for developers

    2025 · its alternatives →

21. 21
    QuickMock▲7

    Mock websites instantly with AI — no coding needed.

    2025 · quickmock.replit.app · its alternatives →

22. 22
    Automock▲8

    Simpler Unit Tests for TypeScript

    2023 · its alternatives →

23. 23IC
    I created an tool that creates interactive product demos in 2 minutes▲58

    2025 · snapdemo.io · its alternatives →

24. 24
    Fake API for Devs▲8

    Free mock api generator for developers | instant test data

    Nov 2025 · fakeapifordevs.vercel.app · 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 →