Dev tools · alternatives · 2026

24 alternatives to Fake API for Devs

Free mock api generator for developers | instant test data

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

1. 1
   Mock API Generator▲555

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

   2021 · retool.com · its alternatives →

2. 2
   Mockaroo▲354

   A realistic data generator to test your app

   2015 · mockaroo.com · its alternatives →

3. 3
   AI-Powered Mock API Generator▲86

   Generate customized, realistic mock data & APIs, via GPT

   2023 · its alternatives →

4. 4
   FakeData▲364

   Get your fake data in seconds

   2025 · fakedata-mu.vercel.app · its alternatives →

5. 5
   FakeURL▲6

   Free online api mocking tool | mock api generator

   2025 · fakeurl.dev · its alternatives →

6. 6
   MockThis▲80

   Generate mock data using AI

   2023 · its alternatives →

7. 7
   JSONing Mock API▲6

   Free and open source fake API for testing and prototyping

   Nov 2025 · jsoning.com · its alternatives →

8. 8
   Mock Maker▲93

   Effortless mock APIs for seamless testing & prototyping

   2024 · its alternatives →

9. 9
   Pollux▲82

   Fake json data & json server mock API generator with JWT

   2021 · mohammedal-rowad.github.io · its alternatives →

10. 10
    The all-in-one fake API▲12

    The All in one Fake API - Dummy data for your projects, fast and simple. Users, products, posts, comments and more

    2024 · fooapi.com · its alternatives →

11. 11
    MockAPI Dog▲122

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

    Feb 2026 · mockapi.dog · its alternatives →

12. 12
    Mock API Generator▲17

    API Mocks Prototyping

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

13. 13
    Faker.js UI▲74

    Simple and intuitive UI for Faker.js

    2023 · fakerjsui.com · its alternatives →

14. 14
    InterimAPI▲68

    Custom API endpoints with realistic fake data in seconds

    2022 · interimapi.com · its alternatives →

15. 15
    Reffresh▲91

    Simple, no code, mock APIs

    2024 · reffresh.com · its alternatives →

16. 16
    fake REST API▲4

    REST API for developers to test and prototype applications.

    2019 · its alternatives →

17. 17
    DevApiService▲6

    Mock or fake API services

    2024 · its alternatives →

18. 18
    Loremapis.com▲8

    Get mock APIs from your schema

    2025 · its alternatives →

19. 19
    MockAPI▲4

    Instant API Mocking for Faster Development

    2024 · its alternatives →

20. 20
    Mocklets▲82

    A HTTP-based API simulator to assist parallel development 🛠️

    2018 · mocklets.com · its alternatives →

21. 21
    DummyAPI▲14

    Dummy API, rest API, AI Generated API Response

    2025 · dummyapi.uk · its alternatives →

22. 22
    Fakend - Demo and Mock API's▲3

    FUEL PLG with Product Demos Without Backend

    2023 · its alternatives →

23. 23
    MockGPT▲11

    A Mock API for Developing and Testing Generative AI Apps

    2024 · mockgpt-3.fly.dev · its alternatives →

24. 24
    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 →

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 →