Mockoon icon
Mockoon icon

Mockoon

 10 likes

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

Mockoon screenshot 1

License model

  • FreeOpen Source

Country of Origin

  • FR flagFrance
  • European Union flagEU

Platforms

  • Mac
  • Windows
  • Linux
5 / 5 Avg rating (5)
10likes
4comments
0news articles

Features

Suggest and vote on features

Properties

  1.  Lightweight

Features

  1.  Ad-free
  2.  Prototyping
  3.  REST API
  4.  HTTP Proxy
  5.  HTTP mocking

 Tags

  • http-analyzer
  • Api
  • mocking
  • api-documentation
  • mock
  • Mockups
  • swagger
  • openapi

Mockoon News & Activities

Highlights All activities

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Recent activities

  • App icon
    Ferula added Mockoon as alternative to Reqable
    4 months ago
  • andrzila liked Mockoon
    5 months ago
  • App icon
    AbstractGeo added Mockoon as alternative to Mocklets
    9 months ago
  • samgu liked Mockoon
    9 months ago
  • w22p5f28q5 rated Mockoon  
    9 months ago
  • w22p5f28q5 liked Mockoon
    9 months ago
  • App icon
    Mockaron added Mockoon as alternative to Mockaron
    11 months ago
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Mockoon information

  • Developed by

    FR flag255kb
  • Licensing

    Open Source and Free product.
  • Written in

  • Rating

    Average rating of 5
  • Alternatives

    15 alternatives listed
  • Supported Languages

    • English

AlternativeTo Categories

DevelopmentNetwork & Admin

GitHub repository

  •  7,231 Stars
  •  413 Forks
  •  63 Open Issues
  •   Updated Jun 12, 2025 
View on GitHub

Our users have written 4 comments and reviews about Mockoon, and it has gotten 10 likes

Mockoon was added to AlternativeTo by lemoute on Aug 12, 2020 and this page was last updated Oct 8, 2020.

Comments and Reviews

   
 Post comment/review
Top Positive Comment
Fabrice HOARAU
Oct 15, 2020
0

If you are creating an application and you need to simulate an API, with Mockoon you can create API simulation services. It's easy to use and it's free

Kohuro
Oct 8, 2020
0

One of the rare tools I use almost daily. We are behind a company firewall with no access to clients' APIs, mocking them really helps!

DanielWinkledaddy
Oct 8, 2020
0

Mockoon is a fantastic time saver. I've tried 2 other API mocking services before, Mockoon is by far the best. Easy to use, fast, and free.

255kb
Oct 8, 2020
0

I gained so much time using this app both on personal projects and at work. You can create mock APIs in no time, either when you cannot access clients API or just want to quickly test an integration. Set up and forget it. Mockoon being a desktop software, it also helps a lot when you don't have access to cloud solutions.

What is Mockoon?

Mockoon is a free and open source desktop application allowing to quickly mock servers and APIs. It packs some great features:

  • Unlimited mocking: Create an unlimited number of mock API with unlimited number of routes and run them in parallel.
  • Import / export: Mock API import / export with Swagger/OpenAPI format support.
  • Route regex: Route regex supported (/.*, /[a-z]{3}, ...), based on ExpressJS syntax.
  • Multiple responses per route: Serve multiple rules-triggered responses for each route with any headers body, or HTTP status codes.
  • CORS: Automatically send CORS headers (Access-Control-Allow-Origin, etc.) for OPTIONS requests.
  • HTTPS: Serve your mock API over TLS with self-signed certificate.
  • Response headers: Add any response headers to your routes and mock API. With auto-completion.
  • Latency: Add latency at environment or route level or even both.
  • Requests and responses logs: All incoming requests and outgoing responses are logged for easier debugging.
  • Proxy mode: Redirect all non-defined routes to the specified host with Mockoon's proxy mode.
  • File serving: File serving with automatic mime type detection and templating support.
  • Rich text editor: Rich text editor for body content supporting multiple languages (JSON, HTML, etc).
  • Templating: Templating supported in body, file content and header, with many helpers: url params, query params, JSON body lookup, etc.
  • Auto-save: Real-time auto save as you type. Never worry again about saving!
  • Offline: No account, no sign-up, no cloud deployment required.

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