Dev tools · alternatives · 2026

24 alternatives to Mockfly

Mock your API in seconds

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mockfly launched in 2023; newer entries below may have overtaken it.

1. 1
   Mock API Generator▲548

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

   2021 · its alternatives →

2. 2
   Mock Maker▲93

   Effortless mock APIs for seamless testing & prototyping

   2024 · its alternatives →

3. 3
   Mockable▲114

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

   2015 · its alternatives →

4. 4MM
   Mockoon – mock REST APIs in seconds▲68

   2017 · mockoon.com · its alternatives →

5. 5
   Mocklets▲82

   A HTTP-based API simulator to assist parallel development 🛠️

   2018 · its alternatives →

6. 6
   Mockadillo▲115

   Mock your entire API in minutes.

   2019 · its alternatives →

7. 7
   Testfly▲118

   On-demand testers/feedbacks for $1

   2020 · its alternatives →

8. 8
   Reffresh▲91

   Simple, no code, mock APIs

   2024 · reffresh.com · its alternatives →

9. 9
   Mockoon▲89

   Mock servers in seconds

   2017 · its alternatives →

10. 10
    MockAPI▲4

    Instant API Mocking for Faster Development

    2024 · its alternatives →

11. 11
    MockAnAPI▲21

    Your gateway to seamless API mocking and robust development

    2023 · its alternatives →

12. 12
    Mock-API▲5

    Simplifying API Mocking for Seamless Development Experiences

    2024 · mock-api.net · its alternatives →

13. 13
    MockAPI Dog▲122

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

    Feb 2026 · mockapi.dog · its alternatives →

14. 14
    Mockswitch▲67

    Stateful mock services, 10x faster

    2021 · its alternatives →

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

    2019 · mockit.netlify.com · its alternatives →

16. 16
    MockThis▲80

    Generate mock data using AI

    2023 · its alternatives →

17. 17
    Mocka▲3

    Instant Mock APIs for Devs, No JSON Required!

    2025 · mocka.ouim.me · its alternatives →

18. 18
    Postkit 2.0▲129

    Codepen for mock APIs

    2019 · its alternatives →

19. 19
    MockingBot▲82

    A rapid prototyping, design collaboration and handoff tool

    2018 · its alternatives →

20. 20
    MockCraft▲2

    Turn real API calls into smart mock endpoints

    Apr 2026 · mock-craft.com · its alternatives →

21. 21
    Mockphine▲87

    Mock blocked APIs, passthrough ready routes, see live source

    Mar 2026 · mockphine.com · its alternatives →

22. 22
    Mockden▲12

    Rapid api prototyping & mock data

    2025 · its alternatives →

23. 23
    MockAPI▲5

    Accelerate Your Development with Realistic Mock APIs

    2024 · mockapi.com · its alternatives →

24. 24
    Mocklets v2.0▲7

    Api management and testing platform for remote teams.

    2020 · 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 →