API Probe is a Chrome extension designed for testing and debugging REST APIs directly within the browser. This free tool offers comprehensive features that streamline the API testing process, allowing users to perform GET, POST, PUT, and DELETE requests with ease. The extension includes custom header configurations, a JSON request body editor, and real-time response displays with syntax highlighting. Status code indicators provide quick visual feedback, enhancing the overall user experience.

In addition to its robust request control, API Probe features smart environment management, enabling users to create and switch between unlimited environments while managing environment variables effectively. The clean interface is tailored for developers, featuring formatted JSON responses and quick access tools. With no account required and all data stored locally, API Probe prioritizes privacy and security, making it an ideal choice for API developers, QA engineers, and anyone involved in REST API work.