mockoon ☆
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Description:
Create mock APIs in seconds
Type: Cask  |  Latest Version: 9.5.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @mockoon  |  formulae.brew.sh
Category: Developer tools
Tags: mocking api rest development testing
Install: brew install --cask mockoon
About:
Mockoon is a desktop application that enables developers to create and run mock REST APIs locally without writing any code. It provides a user-friendly interface to define endpoints, responses, and dynamic rules, simulating real backend behavior for testing and development. This tool accelerates the development lifecycle by allowing frontend and backend teams to work in parallel.
Key Features:
  • GUI-based interface for defining mock endpoints and responses
  • Support for dynamic responses using Handlebars helpers and Faker.js
  • Run multiple mock environments simultaneously on different ports
  • Route matching, proxy mode, and serverless deployment options
Use Cases:
  • Frontend development: Mock backend APIs to build and test UI components without a live server.
  • API prototyping: Quickly design and iterate on API contracts before backend implementation.
  • Integration testing: Simulate third-party API responses to test application logic under various conditions.
Alternatives:
  • Postman – Postman is primarily an API client for testing real APIs, whereas Mockoon specializes in creating local mock servers.
  • Prism – Prism is an open-source mock server that requires CLI usage and OpenAPI specs, while Mockoon offers a standalone GUI application.
Version History
Detected Version Rev Change Commit
Jan 14, 2026 3:48pm 9.5.0 0 VERSION_BUMP 46506e93
Aug 6, 2024 3:24pm 8.4.0 0 VERSION_BUMP 24a2e699
Jul 8, 2024 4:34pm 8.3.0 0 VERSION_BUMP 8b395ae8
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