Hoverfly

Hoverfly is a lightweight, open source API simulation tool. Using Hoverfly, you can create realistic simulations of the APIs your application depends on.

• Replace slow, flaky API dependencies with realistic, re-usable simulations
• Simulate network latency, random failures or rate limits to test edge-cases
• Extend and customize with any programming language
• Export, share, edit and import API simulations
• CLI and native language bindings for Java
• REST API
• Lightweight, high-performance, run anywhere
• Apache 2 license