nowfound

Dev tools · alternatives · 2026

24 alternatives to Mock-API

Simplifying API Mocking for Seamless Development Experiences

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

  1. 1

    Effortless mock APIs for seamless testing & prototyping

    2024 · its alternatives →

  2. 2MO
  3. 3

    Beautiful, cross-platform & open-source tools for debugging, testing and building with HTTP(S), on Windows, Linux & Mac.

    2019 · httptoolkit.tech · its alternatives →

  4. 4

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

    2021 · retool.com · its alternatives →

  5. 5

    A HTTP-based API simulator to assist parallel development 🛠️

    2018 · mocklets.com · its alternatives →

  6. 6

    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 →

  7. 7
    Mockaroo▲354

    A realistic data generator to test your app

    2015 · mockaroo.com · its alternatives →

  8. 8MS
  9. 9

    Your gateway to seamless API mocking and robust development

    2023 · angkajuditogelresmi.com · its alternatives →

  10. 10

    Simple, no code, mock APIs

    2024 · reffresh.com · its alternatives →

  11. 11
    Mockoon▲89

    Mock servers in seconds

    2017 · mockoon.com · its alternatives →

  12. 12

    API Mocks Prototyping

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

  13. 13

    Api management and testing platform for remote teams.

    2020 · mocklets.com · its alternatives →

  14. 14

    A rapid prototyping, design collaboration and handoff tool

    2018 · its alternatives →

  15. 15

    Instant API Mocking for Faster Development

    2024 · its alternatives →

  16. 16

    Generate customized, realistic mock data & APIs, via GPT

    2023 · its alternatives →

  17. 17
    Mockly▲3

    Effortless API mocking - dive in, build better

    2023 · mockly.app · its alternatives →

  18. 18

    Mock your HTTP responses to test your REST API

    2016 · its alternatives →

  19. 19
    Prism▲79

    Accelerate API development with realistic mock servers

    2023 · stoplight.io · its alternatives →

  20. 20

    Generate mock data using AI

    2023 · its alternatives →

  21. 21

    Hi HN, I built this after using Requestly, Mokku, Mockiato, Tweak, and Mockoon. Each one either paywalled the features I actually needed, required a separate server running on my machine, or just didn't fit the way I work. The browser is already open. DevTools is already open. I wanted the mocking to live there too, not in a separate app I have to remember to start. So roughly a month ago, I started building my own tools. It intercepts network requests at the browser level and lets you swap the response, status code, headers, body without touching your code or spinning up anything.…

    Feb 2026 · mockstudio.app · its alternatives →

  22. 22

    Accelerate Your Development with Realistic Mock APIs

    2024 · mockapi.com · its alternatives →

  23. 23
    Mockden▲12

    Rapid api prototyping & mock data

    2025 · its alternatives →

  24. 24

    Easy, Offline, REST API Mocking For Your Entire Team

    2019 · mocktastic.com · its alternatives →

Also compare

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 →