Dev tools · alternatives · 2026

24 alternatives to MockAPI

APIs on the fly

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. MockAPI launched in 2021; 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
   MockAPI▲4

   Instant API Mocking for Faster Development

   2024 · its alternatives →

3. 3
   Mockable▲114

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

   2015 · its alternatives →

4. 4
   Mockadillo▲115

   Mock your entire API in minutes.

   2019 · mockadillo.com · its alternatives →

5. 5
   MockAPI Dog▲122

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

   Feb 2026 · mockapi.dog · its alternatives →

6. 6
   MockAPI▲5

   Accelerate Your Development with Realistic Mock APIs

   2024 · mockapi.com · its alternatives →

7. 7
   MockThis▲80

   Generate mock data using AI

   2023 · its alternatives →

8. 8
   Mockline▲5

   Instant Mock APIs from OpenAPI Specs

   Mar 2026 · mockline.xyz · its alternatives →

9. 9
   Mock Maker▲93

   Effortless mock APIs for seamless testing & prototyping

   2024 · its alternatives →

10. 10
    Mock API Generator▲17

    API Mocks Prototyping

    2020 · mock-api-builder.vercel.app · 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. 12
    EazyMock▲9

    Mock APIs for your projects

    2024 · eazymock.net · its alternatives →

13. 13
    Mockoon▲89

    Mock servers in seconds

    2017 · mockoon.com · its alternatives →

14. 14
    Reffresh▲91

    Simple, no code, mock APIs

    2024 · reffresh.com · its alternatives →

15. 15MO
    Mockit – Open-source app to create and configure HTTP mocked endpoints▲158

    2019 · mockit.netlify.com · its alternatives →

16. 16
    AI-Powered Mock API Generator▲86

    Generate customized, realistic mock data & APIs, via GPT

    2023 · its alternatives →

17. 17
    Mocklets▲82

    A HTTP-based API simulator to assist parallel development 🛠️

    2018 · mocklets.com · its alternatives →

18. 18
    OpenAPI mocks that don't suck – realistic test data, quick setup▲13

    Hi HN! I'm Ankit, the founder of Beeceptor, a request mocking and intercepting tool. This time, I built something new to address a pain I’ve personally felt (and heard from dozens of QA, frontend, and platform teams): making OpenAPI specs actually useful during development. API contracts just sit around as docs often. What if you could 'activate' them, instantly have a realistic, hosted mock server-with contract validation, smart test data, and early usage? So I made _Mockaroo for OpenAPI_, but with brains. It spins up a hosted mock server from your spec in one click. It: - Generates…

    2025 · beeceptor.com · its alternatives →

19. 19
    MockingBot▲82

    A rapid prototyping, design collaboration and handoff tool

    2018 · its alternatives →

20. 20
    Mockfly▲7

    Mock your API in seconds

    2023 · mockfly.dev · its alternatives →

21. 21
    Mockden▲12

    Rapid api prototyping & mock data

    2025 · its alternatives →

22. 22
    ezyMock▲81

    Mocking API endpoints has never been easier

    2017 · its alternatives →

23. 23
    EazyMock▲4

    Making API easier than you would expect

    2023 · eazymock.net · its alternatives →

24. 24MS
    Mocktastic – Simple, Offline mock REST APIs for your entire team▲43

    2018 · mocktastic.com · 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 →