Dev tools · alternatives · 2026

24 alternatives to fetchJSON

Rest api endpoint with custom randomly generated data

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. fetchJSON launched in 2020; newer entries below may have overtaken it.

1. 1
   Mock API Generator▲548

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

   2021 · its alternatives →

2. 2
   JSON url▲119

   Mock backend with JSON generated from URL

   2022 · its alternatives →

3. 3
   Pollux▲82

   Fake json data & json server mock API generator with JWT

   2021 · its alternatives →

4. 4GJ
   Generate JSON mock data for testing/initial app development▲103

   2023 · jsongenerator.io · its alternatives →

5. 5
   Mock Turtle▲72

   GUI approach to generating realistic mock JSON data

   2022 · its alternatives →

6. 6
   Nacapi▲174

   Turn your JSON into a restful API

   2021 · its alternatives →

7. 7
   Mock API Generator▲17

   API Mocks Prototyping

   2020 · its alternatives →

8. 8
   JSON Generator▲139

   Create mock and sample JSON using a powerful template syntax

   2014 · its alternatives →

9. 9
   ReqRes Pro - custom JSON▲20

   Add custom JSON responses to your own endpoints

   2025 · reqres.in · its alternatives →

10. 10
    apiJuice▲223

    Create a hosted API for anything in seconds

    2025 · apijuice.com · its alternatives →

11. 11
    Generate JSON▲77

    AI-generated dummy JSON - deploy in seconds

    2023 · its alternatives →

12. 12
    JSON Api▲175

    Hosted API's to develop your app for free 🙌

    2020 · its alternatives →

13. 13
    Simple API Generator (Rest + GraphQL)▲121

    Instantly generate openapi (OAS) 3.0.0 REST + GraphQL APIs

    2019 · its alternatives →

14. 14
    AI-Powered Mock API Generator▲86

    Generate customized, realistic mock data & APIs, via GPT

    2023 · its alternatives →

15. 15GR
    Generate REST APIs for Existing Applications▲85

    2012 · emergentone.com · its alternatives →

16. 16MC
    MockREST – Create REST APIs from Your JSON Content▲12

    2017 · mockrest.com · its alternatives →

17. 17
    MockThis▲80

    Generate mock data using AI

    2023 · its alternatives →

18. 18
    Data Populator▲149

    Sketch and XD plugin to populate mockups with real data.

    2019 · its alternatives →

19. 19PR
    Page.REST – An API to fetch details from a web page as JSON▲114

    2017 · page.rest · its alternatives →

20. 20
    InterimAPI▲68

    Custom API endpoints with realistic fake data in seconds

    2022 · its alternatives →

21. 21
    Serve▲69

    Generate REST API endpoints through a low-code platform

    2022 · its alternatives →

22. 22QG
    Quickly generate REST API (for Postgres db)▲70

    2019 · its alternatives →

23. 23
    JSONsilo.com▲107

    Convert your static JSON file to a REST API in minutes

    2023 · its alternatives →

24. 24
    miniBackend▲6

    Create GET, POST, DELETE and PUT REST APIs with a few clicks

    2019 · 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 →