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Alternatives

Products that do what Mock Studio does

A simple yet powerful AI Powered HTTP API mocking tool

  1. 1

    A HTTP-based API simulator to assist parallel development 🛠️

    2018

  2. 2

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

    2021

  3. 3

    Effortless mock APIs for seamless testing & prototyping

    2024

  4. 4

    A rapid prototyping, design collaboration and handoff tool

    2018

  5. 5

    Turn any job on LinkedIn into a mock interview instantly

    2025

  6. 6MO
  7. 7HM
  8. 8

    A simple tool to display your mockups in a browser

    2015

  9. 9
    MockPilot146

    Turn live websites into editable mockups

    Jun 2026 · github.com

  10. 10
    Mockoon89

    Mock servers in seconds

    2017

  11. 11

    Free mock api generator for developers | instant test data

    Nov 2025

  12. 12

    Hi HN, I built the first version of Mocktail years ago. I recently came back to the project, and after a pretty substantial rebuild, v4 is now out. Mocktail is a free and open-source, self-hosted mock API server with a built-in dashboard and database, packaged as a single ~25 MB binary. You can run it locally or on your own infrastructure — no account or hosted service required. You can define endpoints and responses, generate realistic data per request, customize headers, status codes and latency, and inspect incoming requests in real time. With v4, I also added MCP support, so coding…

    23d ago · getmocktail.com

  13. 13
    req71

    A lightweight, minimal yet powerful API testing tool

    2022

  14. 14

    Your playground for writing custom API security tests

    2023

  15. 15

    Simple, no code, mock APIs

    2024

  16. 16CM
  17. 17TA

    2024 · fooapi.com

  18. 18

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

    Feb 2026 · mockapi.dog

  19. 19
    Decoy99

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

    Mar 2026 · decoy-app.com

  20. 20
    ApiHome73

    Home of API testing

    2022

  21. 21MM
  22. 22GZ

    I made an API mocking tool that imports a schema, populates fake data, then runs a local server. This is helpful for testing APIs or advanced prototyping. A demo video is here: https://www.loom.com/share/abad2cdf325e4e0b9addea1e14406166?... There’s two fun things about this tool 1. the complete lack of configs and schema annotations. i.e. you don’t need to learn faker-js. You just need your existing GraphQL schema and to to swap out the server URL in your frontend code. 2. the depth. Your fake objects have relationships to other fake objects. And in proxy mode, real…

    2023 · github.com

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  24. 24OM

    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

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