Dev tools · alternatives · 2026

24 alternatives to MockAPI

Accelerate Your Development with Realistic Mock APIs

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 2024; newer entries below may have overtaken it.

1. 1
   MockAPI▲4

   Instant API Mocking for Faster Development

   2024 · 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. 3
   Mockaroo▲354

   A realistic data generator to test your app

   2015 · mockaroo.com · its alternatives →

4. 4
   Mockadillo▲115

   Mock your entire API in minutes.

   2019 · mockadillo.com · its alternatives →

5. 5
   InterimAPI▲68

   Custom API endpoints with realistic fake data in seconds

   2022 · interimapi.com · its alternatives →

6. 6MO
   Mockit – Open-source app to create and configure HTTP mocked endpoints▲158

   2019 · mockit.netlify.com · its alternatives →

7. 7
   Mock Maker▲93

   Effortless mock APIs for seamless testing & prototyping

   2024 · its alternatives →

8. 8
   Mocklets▲82

   A HTTP-based API simulator to assist parallel development 🛠️

   2018 · mocklets.com · its alternatives →

9. 9
   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 →

10. 10
    Mocklify▲3

    Mock APIs that behave like real systems

    Jul 2026 · mocklify.dev · its alternatives →

11. 11
    MockAPI Dog▲122

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

    Feb 2026 · mockapi.dog · its alternatives →

12. 12
    MockAPI▲4

    APIs on the fly

    2021 · mockapi.io · its alternatives →

13. 13
    MockThis▲80

    Generate mock data using AI

    2023 · its alternatives →

14. 14
    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 →

15. 15
    Mockable▲114

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

    2015 · its alternatives →

16. 16
    Mockline▲5

    Instant Mock APIs from OpenAPI Specs

    Mar 2026 · mockline.xyz · its alternatives →

17. 17
    AI-Powered Mock API Generator▲86

    Generate customized, realistic mock data & APIs, via GPT

    2023 · its alternatives →

18. 18
    Mock-API▲5

    Simplifying API Mocking for Seamless Development Experiences

    2024 · mock-api.net · its alternatives →

19. 19
    Reffresh▲91

    Simple, no code, mock APIs

    2024 · reffresh.com · its alternatives →

20. 20
    Mockden▲12

    Rapid api prototyping & mock data

    2025 · its alternatives →

21. 21MS
    Mocktastic – Simple, Offline mock REST APIs for your entire team▲43

    2018 · mocktastic.com · its alternatives →

22. 22
    Fake API for Devs▲8

    Free mock api generator for developers | instant test data

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

23. 23
    MockAPI

    Generate mock APIs from natural language in seconds

    Apr 2026 · mockapi.run · its alternatives →

24. 24
    MockingBot▲82

    A rapid prototyping, design collaboration and handoff tool

    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 →