Kong Insomnia is an open-source desktop application designed to streamline the API development process by offering features tailored to developers' needs, such as local-first storage, built-in Git synchronization, and a powerful offline CLI for automation. It provides a clean and efficient user interface that integrates seamlessly into existing workflows, allowing developers to design, mock, test, and debug APIs without leaving their flow. Insomnia treats APIs as code with native Git support, empowering developers to manage API specs, collections, and test suites as part of their codebase. The platform offers unlimited local collection runs, making it ideal for fast-paced development environments, and its open-source nature allows for extensive customization through plugins. In contrast to cloud-dependent tools like Postman, Insomnia prioritizes developer control and flexibility, enabling offline work and local data management without imposed limits, making it a preferred choice for developers who value autonomy and efficiency in their API workflows.