Alternatives

Products that do what A free, open-source, collaborative, mock API does

1. 1MO
   Mockit – Open-source app to create and configure HTTP mocked endpoints▲158

   2019 · mockit.netlify.com

2. 2MM
   Mockoon – mock REST APIs in seconds▲68

   2017 · mockoon.com

3. 3OS
   Open-source A/B testing framework▲199

   2021 · github.com

4. 4HA
   HTTPretty, an easy way to mock http requests in python▲97

   2012 · falcao.it

5. 5WA
   Web App for generating mocked data from an OpenAPI specification▲19

   2020 · github.com

6. 6MM
   Mocksup, my mockup prototyping & review webapp▲95

   2010 · mocksup.com

7. 7
   MockingBot▲82

   A rapid prototyping, design collaboration and handoff tool

   2018

8. 8DD
   DuckRails – development tool for mocking API endpoints▲6

   2018 · github.com

9. 9DA
   Decoy – A native Mac app for mocking HTTP endpoints locally▲7

   Feb 2026 · decoy-app.com

10. 10JH
    JSONator – HTTP endpoints for mock data▲7

    2014 · jsonator.herokuapp.com

11. 11AN
    A new general-purpose API solving common and complex problems▲60

    2015 · neutrinoapi.com

12. 12CA
    Canonic: A low-code platform to build APIs in minutes▲54

    2020 · canonic.dev

13. 13SM
    Silk – Markdown driven API tests▲8

    2016 · medium.com

14. 14LA
    Lambdacult, a low-cost alternative to API Gateway for Lambda functions▲47

    2017 · lambdacult.com

15. 15AN
    API-Now: A Mock API Server Serves JSON, JavaScript File or Faker Data▲5

    2019 · github.com

16. 16MA
    Mockingbird – A convenient mocking framework for Swift▲9

    2019 · github.com

17. 17MF
    Mockingjay – Fake servers and consumer-driven contracts▲39

    2015 · github.com

18. 18AA
    APIMock – API Mock server with domain support and proxy to record mocks▲6

    2020 · github.com

19. 19RT
    Reagent – Test APIs Declaratively▲9

    2020 · github.com

20. 20ES
    Easy Simple API Mocking with Mockaroo▲8

    2021 · github.com

21. 21SB
    Stubby – better client side mocking of HTTP Requests▲5

    2015 · gocardless.com

22. 22OS
    Open-source A/B testing platform▲11

    2021 · github.com

23. 23RG
    Rapidmock – Generate a mock API in seconds▲7

    2022 · rapidmock.com

24. 24MA
    Micro – A public API platform (now free during beta)▲25

    2021 · m3o.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →