Insomnia

Insomnia is an AI-native API collaboration platform and open-source desktop API client. It supports designing, debugging, and testing various API types, including REST, GraphQL, gRPC, and WebSockets. The platform offers features such as API design, mocking, and testing capabilities. The tool provides CLI support for automating Git-based API tests, pre-request scripting, and parallel execution. It focuses on collections with scripting for test generation and integrates with existing Git workflows, appealing to teams seeking advanced scripting for API development and interaction.