API Runner is a plugin for IntelliJ-based IDEs that lets developers create, send, and inspect API requests from their development environment. It is intended for software developers testing APIs during development.
In the API design, testing & docs space, API Runner takes a focused approach. It focuses on testing and sending API requests directly from an IntelliJ-based development environment. API Runner is a B2B product aimed at developers using IntelliJ-based IDEs. API Runner is free to use. It runs on the web, macOS, Windows, and Linux.
Behind API Runner is JetBrains Marketplace, and it first shipped in 2025. Key capabilities include API requests, request testing, and response inspection.
Summary written by a language model from the project’s public pages.
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