AI · alternatives · 2026

24 alternatives to MockThis

Generate mock data using AI

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. MockThis launched in 2023; 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
   Mock Turtle▲72

   GUI approach to generating realistic mock JSON data

   2022 · its alternatives →

3. 3
   AI-Powered Mock API Generator▲86

   Generate customized, realistic mock data & APIs, via GPT

   2023 · its alternatives →

4. 4
   JSON Generator▲139

   Create mock and sample JSON using a powerful template syntax

   2014 · its alternatives →

5. 5
   Generate JSON▲77

   AI-generated dummy JSON - deploy in seconds

   2023 · its alternatives →

6. 6
   Refraction▲156

   Generate unit tests, create docs and refactor code using AI.

   2023 · its alternatives →

7. 7
   AI App Generator▲508

   Turn AI ideas into working apps in seconds

   2024 · its alternatives →

8. 8GJ
   Generate JSON mock data for testing/initial app development▲103

   2023 · jsongenerator.io · its alternatives →

9. 9
   Mock Maker▲93

   Effortless mock APIs for seamless testing & prototyping

   2024 · its alternatives →

10. 10
    Schema.ai▲6

    Generate realistic mock JSON data with AI.

    2025 · schema-ai-ten.vercel.app · its alternatives →

11. 11
    MockMaster AI▲5

    Generate Realistic-looking mock data with AI

    2024 · its alternatives →

12. 12
    apiJuice▲223

    Create a hosted API for anything in seconds

    2025 · apijuice.com · its alternatives →

13. 13
    Mockreate AI▲98

    Generate random data for your Figma designs, now with AI!

    2023 · its alternatives →

14. 14
    Data Populator▲149

    Sketch and XD plugin to populate mockups with real data.

    2019 · its alternatives →

15. 15
    JSONing Mock API▲6

    Free and open source fake API for testing and prototyping

    Nov 2025 · jsoning.com · its alternatives →

16. 16
    Create My Test▲118

    Convert your content into a test in seconds

    2024 · its alternatives →

17. 17
    Fake API for Devs▲8

    Free mock api generator for developers | instant test data

    Nov 2025 · fakeapifordevs.vercel.app · its alternatives →

18. 18
    Mock Prep▲79

    Practise your interviews using artificial intelligence

    2023 · its alternatives →

19. 19
    Supertest AI▲106

    Generate React unit tests in seconds with AI

    2023 · its alternatives →

20. 20
    AI Mock Generator▲2

    Generate realistic mock data with AI—no more manual entry

    2024 · its alternatives →

21. 21
    Mockitude▲8

    Generate & take AI-powered mock tests to improve your skills

    2025 · its alternatives →

22. 22AG
    Auto-generate load tests/synthetic test data from OpenAPI spec/HAR file▲33

    Hey HN, We just shipped a new AI-powered feature... BUT the "AI" piece is largely in the background. Instead of relying on a chatbot, we've integrated AI (with strict input & output guardrails) into a workflow to handle two specific tasks that would be difficult for traditional programming: 1. Identifying the most relevant base URL from HAR files, since it would be tedious to cover every edge case or scenario to omit analytics, tracking, and other network noise. 2. Generating synthetic data for API requests by passing the API context and faker-js functions to GPT-4. The steps are broken down…

    2024 · docs.multiple.dev · its alternatives →

23. 23
    TestMagic▲53

    AI-powered API test automation. Save 90% of testing time

    2025 · irual.me · its alternatives →

24. 24
    Mocklets▲82

    A HTTP-based API simulator to assist parallel development 🛠️

    2018 · 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 →