Dev tools · alternatives · 2026

24 alternatives to Mockable

For rapid API prototyping: create REST/SOAP mocks in 3 sec

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mockable launched in 2015; newer entries below may have overtaken it.

1. 1
   Mock API Generator▲555

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

   2021 · retool.com · its alternatives →

2. 2
   Mock API Generator▲17

   API Mocks Prototyping

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

3. 3
   MockAPI Dog▲122

   Instant mock REST & LLM APIs - free, no signup required

   Feb 2026 · mockapi.dog · its alternatives →

4. 4
   Mockadillo▲115

   Mock your entire API in minutes.

   2019 · mockadillo.com · its alternatives →

5. 5
   Mock Maker▲93

   Effortless mock APIs for seamless testing & prototyping

   2024 · its alternatives →

6. 6
   Mockly▲330

   Stunning ebook mockups in minutes

   2021 · mockly.xyz · its alternatives →

7. 7
   API Fast Mock▲6

   Stateless API mocks in seconds, powered by tokens.

   2025 · apifastmock.com · its alternatives →

8. 8
   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 →

9. 9
   apiJuice▲223

   Create a hosted API for anything in seconds

   2025 · apijuice.com · its alternatives →

10. 10
    MockFast.io▲4

    Mock as a service

    2025 · its alternatives →

11. 11
    Mockoon – mock REST APIs in seconds▲68

    Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.

    2017 · mockoon.com · its alternatives →

12. 12RG
    Rapidmock – Generate a mock API in seconds▲7

    2022 · rapidmock.com · its alternatives →

13. 13
    Mockoon▲89

    Mock servers in seconds

    2017 · mockoon.com · its alternatives →

14. 14MO
    Mockit – Open-source app to create and configure HTTP mocked endpoints▲158

    2019 · mockit.netlify.com · its alternatives →

15. 15
    MockThis▲80

    Generate mock data using AI

    2023 · its alternatives →

16. 16
    MockAPI▲4

    Instant API Mocking for Faster Development

    2024 · its alternatives →

17. 17
    MockingBot▲82

    A rapid prototyping, design collaboration and handoff tool

    2018 · its alternatives →

18. 18MS
    Mocktastic – Simple, Offline mock REST APIs for your entire team▲43

    2018 · mocktastic.com · its alternatives →

19. 19
    AI-Powered Mock API Generator▲86

    Generate customized, realistic mock data & APIs, via GPT

    2023 · its alternatives →

20. 20
    Mocky.io▲9

    Mock your HTTP responses to test your REST API

    2016 · its alternatives →

21. 21
    Decoy▲99

    Decoy lets developers create mock services locally on macOS. Test webhooks, API wrappers, scrapers and more. No Docker, no Electron, just a beautiful 10 MB native app.

    Mar 2026 · decoy-app.com · its alternatives →

22. 22
    Mocklets▲82

    A HTTP-based API simulator to assist parallel development 🛠️

    2018 · mocklets.com · its alternatives →

23. 23
    Mockswitch▲67

    Stateful mock services, 10x faster

    2021 · its alternatives →

24. 24
    Rapidmock▲4

    Generate a mock API in seconds.

    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 →