hoverfly ☆
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Description:
API simulations for development and testing
Type: Formula  |  Latest Version: 1.12.3@0  |  Tracked Since: Dec 19, 2025
Links: Homepage  |  @specto_labs  |  formulae.brew.sh
Category: Developer tools
Tags: testing api simulation mocking development
Install: brew install hoverfly
About:
Hoverfly is an open-source API simulation tool used for creating mock APIs and stubbing external dependencies. It allows developers to record and replay live traffic, or programmatically define simulations to test applications in isolation. This enables reliable, fast, and deterministic testing without relying on external services.
Key Features:
  • Traffic capture and replay for easy mock creation
  • Programmable simulation of complex API responses and delays
  • Support for both stateless and stateful scenarios
  • Standalone Java application with a RESTful API
Use Cases:
  • Integration and end-to-end testing without internet dependencies
  • Performance testing by simulating slow or unreliable networks
  • Development of client applications before the backend API is ready
Alternatives:
  • WireMock – WireMock is Java-based and very powerful, but Hoverfly offers a unique 'capture and replay' mode that simplifies initial mock creation.
  • Pact – Pact focuses on contract testing between consumer and provider, whereas Hoverfly is primarily an API simulation and stubbing tool.
Version History
Detected Version Rev Change Commit
Dec 19, 2025 11:05am 1.12.3 0 VERSION_BUMP d1593996
Nov 26, 2025 11:06pm 0 VERSION_BUMP 72bfd2b2
Sep 12, 2025 10:32am 0 VERSION_BUMP 6a970ae3
Sep 10, 2025 9:24pm 0 VERSION_BUMP ced39226
Dec 11, 2024 2:43am 0 VERSION_BUMP f4d45d37
Dec 11, 2024 2:26am 0 VERSION_BUMP 66c542b8
Sep 13, 2024 9:22pm 0 VERSION_BUMP 90e3a1be
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