Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. JSONator – HTTP endpoints for mock data launched in 2014; newer entries below may have overtaken it.

1. 1HW
   HTTPiper – Web tool to create mock HTTP dynamic endpoints▲5

   2021 · httpiper.com · its alternatives →

2. 2
   Mock API Generator▲555

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

   2021 · retool.com · its alternatives →

3. 3GJ
   Generate JSON mock data for testing/initial app development▲103

   Easily create complex JSON data structures using intuitive templates.

   2023 · jsongenerator.io · its alternatives →

4. 4
   JSON Generator▲139

   Create mock and sample JSON using a powerful template syntax

   2014 · json-generator.com · its alternatives →

5. 5MO
   Mockit – Open-source app to create and configure HTTP mocked endpoints▲158

   2019 · mockit.netlify.com · its alternatives →

6. 6
   Pollux▲82

   Fake json data & json server mock API generator with JWT

   2021 · mohammedal-rowad.github.io · its alternatives →

7. 7AF
   A free, open-source, collaborative, mock API▲5

   2021 · mockachino.com · its alternatives →

8. 8
   The Changelog - #189: JSON API with Yehuda Katz▲66

   Yehuda's start as a programmer and the spec for building API

   2016 · changelog.com · its alternatives →

9. 9
   Mock Turtle▲72

   GUI approach to generating realistic mock JSON data

   2022 · mockturtle.net · its alternatives →

10. 10
    Mockbin▲25

    Generate endpoints to test, mock, and track HTTP requesta

    2015 · its alternatives →

11. 11
    ezyMock▲81

    Mocking API endpoints has never been easier

    2017 · its alternatives →

12. 12JA
    jq, a lightweight commandline JSON processor▲5

    2012 · stedolan.github.com · its alternatives →

13. 13SM
    Silk – Markdown driven API tests▲8

    2016 · medium.com · its alternatives →

14. 14
    Mockingbird: Generate mock data streams for your next data project▲7

    2023 · mockingbird.tinybird.co · its alternatives →

15. 15
    MockREST – Create REST APIs from Your JSON Content▲12

    Mock REST endpoints in seconds. Test without backend delays. Built for developers who need reliable mock data now.

    2017 · mockrest.com · its alternatives →

16. 16
    Jsong: faster than light streaming JSON parser and writer in C▲9

    2017 · github.com · its alternatives →

17. 17
    Mock API Generator▲17

    API Mocks Prototyping

    2020 · mock-api-builder.vercel.app · its alternatives →

18. 18RG
    Rapidmock – Generate a mock API in seconds▲7

    2022 · rapidmock.com · its alternatives →

19. 19
    Mocknica - AI-Powered Mock API Server▲8

    Create mock APIs in seconds with AI. Ship prototypes faster.

    Dec 2025 · mocknica.dev · its alternatives →

20. 20AS
    A Super Simple JSON CMS▲8

    2018 · medium.com · its alternatives →

21. 21
    JSONMocker – generate JSON mock data by writing reusable JSON schemas▲5

    An easy to use web-based editor to create reusable json mock data schema files.

    2023 · laurawebdev.github.io · its alternatives →

22. 22
    JSONing Mock API▲6

    Free and open source fake API for testing and prototyping

    Nov 2025 · jsoning.com · its alternatives →

23. 23
    FakeURL▲6

    Free online api mocking tool | mock api generator

    2025 · fakeurl.dev · its alternatives →

24. 24
    Mocky.io▲9

    Mock your HTTP responses to test your REST API

    2016 · 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 →