Dev tools · alternatives · 2026

24 alternatives to DevApiService

Mock or fake API services

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. DevApiService launched in 2024; newer entries below may have overtaken it.

1. 1OD
   OpenAPI DevTools – Chrome extension that generates an API spec▲811

   Effortlessly discover API behaviour with a Chrome extension that automatically generates OpenAPI specifications in real time for any app or website.

   2023 · github.com · its alternatives →

2. 2
   Mock API Generator▲548

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

   2021 · its alternatives →

3. 3
   Fake API for Devs▲8

   Free mock api generator for developers | instant test data

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

4. 4
   Decoy▲99

   Local server mocks in macOS, all in a lightweight native app

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

5. 5
   FakeData▲365

   Get your fake data in seconds

   2025 · its alternatives →

6. 6TA
   The all-in-one fake API▲12

   2024 · fooapi.com · its alternatives →

7. 7
   Mocklets▲82

   A HTTP-based API simulator to assist parallel development 🛠️

   2018 · its alternatives →

8. 8
   FakeClients 2.0▲174

   Practice design and more using generated client briefs

   2019 · its alternatives →

9. 9
   ApiHome▲73

   Home of API testing

   2022 · its alternatives →

10. 10
    Mock Maker▲93

    Effortless mock APIs for seamless testing & prototyping

    2024 · its alternatives →

11. 11
    InterimAPI▲68

    Custom API endpoints with realistic fake data in seconds

    2022 · its alternatives →

12. 12
    Mock Studio▲3

    A simple yet powerful AI Powered HTTP API mocking tool

    Feb 2026 · mockstudio.app · its alternatives →

13. 13ST
    Simple tool to generate mock APIs for testing▲25

    2024 · endpts.io · its alternatives →

14. 14NW
    New way to test APIs with OpenAPI and Postman▲80

    2021 · github.com · its alternatives →

15. 15
    Mockend▲6

    Effortless hosted fake REST and GraphQL API for teams/makers

    2023 · its alternatives →

16. 16
    MockAPI▲4

    Instant API Mocking for Faster Development

    2024 · its alternatives →

17. 17OM
    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 →

18. 18
    DevSwiss▲27

    Offline toolkit for developers

    2025 · its alternatives →

19. 19
    FakeURL▲6

    Free online api mocking tool | mock api generator

    2025 · fakeurl.dev · its alternatives →

20. 20
    Mockly▲49

    Create realistic chat mockups

    2025 · getmockly.com · its alternatives →

21. 21
    EazyMock▲4

    Making API easier than you would expect

    2023 · its alternatives →

22. 22
    Fauxy▲1

    Mock API endpoints instantly. No setup. Just a URL.

    Mar 2026 · fauxy.io · its alternatives →

23. 23
    apimock-rs▲9

    A developer-friendly, fast and functional HTTP(S) server.

    Nov 2025 · apimokka.github.io · its alternatives →

24. 24
    EazyMock▲9

    Mock APIs for your projects

    2024 · 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 →