Mockoon - Create mock APIs in seconds with Mockoon

Web Name: Mockoon - Create mock APIs in seconds with Mockoon






Create mock APIs in seconds

Mockoon is the easiest and quickest way to design and run mock REST APIs.
No remote deployment, no account required, free and open-source.

Trusted by awesome teams

Mockoon is the answer to just about every mocking need you might have.
Read more

Yasmin Desai

Senior Product Manager @ Impala

Mockoon was easy to start with, was fast and lightweight. One clear purpose tool which immediately solved our problem.
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Jan Bílek

Product Manager @ Localazy

API mocking that saves you time

Get working mock REST APIs in seconds with an intuitive and easy-to-use interface.
Run them everywhere with the CLI.

Integrates with your workflow

Compatible with the OpenAPI specification, Mockoon integrates perfectly with your existing applications and API design workflow.

Complete tooling

Go beyond mocking with advanced features and tackle the most complex situation with HTTP requests recording, proxying, integration testing, etc.


Complete control

Mockoon offers you complete flexibility when creating your mocks: custom statuses, route and global headers, file serving or body editor, HTTPS, etc.

Full list of features →Powerful

Create realistic scenarios

Simulate real-life scenarios with dynamic templating and the response rules system. Test your app resilience with sequential and random responses.

Learn more →Integrable

Powerful forwarding and debugging

Easily integrate Mockoon with existing backends and APIs by intercepting selected endpoints and forwarding the rest. Debug intricated situation with the built-in session recording.

Learn more →Ubiquitous

Run your mock servers anywhere

Use the CLI and the Docker image to run your mock REST APIs on servers and headless environments: GitHub Actions, CircleCI, TravisCI, etc.

Discover the CLI →Privacy

Privacy friendly and offline first

Our tools are offline first and require no account creation. They are privacy-friendly, making them the best choice for highly regulated or high-security environments.


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Trusted by thousands of

Developers! Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
snap install mockoon


I can wholeheartedly recommend @GetMockoon if you're looking for an easy way to #mock Http-Endpoints locally.
This tool just works, it's super intuitive. Love it.❤️


Mockoon is the best! It's the easiest and quickest way to mock APIs locally.

Chuma Umenze

OMG its a life saving tool for FrontEnd and FullStack developer. Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open-source.

Rubesh Gain

Forgot to mention an important part of this article. I am leveraging @GetMockoon to implement the APIs!
All credit to @255kb who developed this wonderful tool.

Nabil Kazi

@255kb Thanks for Mockoon! such a handy tool!


Did I already say that Mockoon is awesome? Mockoon is the easiest and quickest way I found to run mock APIs locally. #RestAPI #Prototyping #DeveloperTools #OpenSource
P.S. It's made with #Electron and this is a huge bonus in my eyes.

Nicola Orritos

If you're a mobile/frontend developer and you're suffering with DEV environment, start mocking your APIs with @GetMockoon. It's amazing! Thanks, @255kb for creating this! I'm using every time that I develop new iOS projects!

Sr. Décio Montanhani

Case studies

Discover how Mockoon's users improve their API design and development workflows with our fast and easy to use API tooling.

Uses Mockoon to conduct API UX research

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Uses API mocking to speed up application development and testing

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Getting started with Mockoon

TAGS:mock Create Mockoon APIs

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