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Yaak

yaak is an intuitive desktop API client designed for organizing and executing various types of API requests, including REST, GraphQL, WebSockets, Server Sent Events, and gRPC. Its interface prioritizes usability for developers seeking efficient workflows and robust API testing support.

Language
TypeScript
Latest Release
v2026.3.1
License
MIT License

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Key Features

  • User-friendly interface for API testing
  • Supports REST, GraphQL, WebSockets, SSE, and gRPC
  • Organize requests and collections efficiently
  • Designed for desktop use
  • Multiple protocol support in one app

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Community

Stars
18.4k
Open Issues
30
Forks
738