Dev tools · alternatives · 2026

24 alternatives to API Fast Mock

Stateless API mocks in seconds, powered by tokens.

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
   Mockable▲114

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

   2015 · its alternatives →

3. 3
   Mock Maker▲93

   Effortless mock APIs for seamless testing & prototyping

   2024 · its alternatives →

4. 4
   MockAPI Dog▲122

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

   Feb 2026 · mockapi.dog · its alternatives →

5. 5
   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 →

6. 6
   Mockoon▲89

   Mock servers in seconds

   2017 · mockoon.com · its alternatives →

7. 7
   Mockadillo▲115

   Mock your entire API in minutes.

   2019 · mockadillo.com · its alternatives →

8. 8
   MockFast.io▲4

   Mock as a service

   2025 · its alternatives →

9. 9
   Mock API Generator▲17

   API Mocks Prototyping

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

10. 10
    Mockaroo▲354

    A realistic data generator to test your app

    2015 · mockaroo.com · its alternatives →

11. 11
    apiJuice▲223

    Create a hosted API for anything in seconds

    2025 · apijuice.com · its alternatives →

12. 12
    Rapidmock▲4

    Generate a mock API in seconds.

    2022 · its alternatives →

13. 13
    Mockden▲12

    Rapid api prototyping & mock data

    2025 · its alternatives →

14. 14
    AI-Powered Mock API Generator▲86

    Generate customized, realistic mock data & APIs, via GPT

    2023 · its alternatives →

15. 15RG
    Rapidmock – Generate a mock API in seconds▲7

    2022 · rapidmock.com · its alternatives →

16. 16
    Loremapis.com▲8

    Get mock APIs from your schema

    2025 · its alternatives →

17. 17
    Mocka▲3

    Instant Mock APIs for Devs, No JSON Required!

    2025 · mocka.ouim.me · its alternatives →

18. 18
    MockingBot▲82

    A rapid prototyping, design collaboration and handoff tool

    2018 · its alternatives →

19. 19
    MockAPI▲4

    Instant API Mocking for Faster Development

    2024 · its alternatives →

20. 20
    MockThis▲80

    Generate mock data using AI

    2023 · its alternatives →

21. 21
    Postkit 2.0▲129

    Codepen for mock APIs

    2019 · its alternatives →

22. 22
    Mocknica - AI-Powered Mock API Server▲8

    Create mock APIs in seconds with AI. Ship prototypes faster.

    Dec 2025 · mocknica.dev · its alternatives →

23. 23
    Mocklets▲82

    A HTTP-based API simulator to assist parallel development 🛠️

    2018 · mocklets.com · its alternatives →

24. 24
    Fake API for Devs▲8

    Free mock api generator for developers | instant test data

    Nov 2025 · fakeapifordevs.vercel.app · 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 →