yaak ☆
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Description:
REST, GraphQL and gRPC client
Type: Cask  |  Latest Version: 2026.2.1@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: api-client rest graphql grpc developer-tools testing
Install: brew install --cask yaak
About:
Yaak is a versatile API client designed for REST, GraphQL, and gRPC workflows. It provides a unified interface to test and manage diverse API types within a single application. The tool focuses on speed and efficiency, offering features like environment variables, scripting, and code generation.
Key Features:
  • Multi-protocol support (REST, GraphQL, gRPC)
  • Environment variable management
  • Request chaining and scripting
  • Code generation for various languages
  • Local storage and offline support
Use Cases:
  • Developing and testing APIs across different protocols
  • Managing complex API workflows with environment-specific configurations
  • Generating client code snippets for integration
Alternatives:
  • Postman – Postman is a feature-rich industry standard, while Yaak offers a more lightweight, native experience with a focus on speed.
  • Insomnia – Insomnia is a popular open-source alternative; Yaak differentiates with native performance and a streamlined UI.
Version History
Detected Version Rev Change Commit
Feb 15, 2026 5:12am 2026.2.1 0 VERSION_BUMP 0b15af3a
Jan 27, 2026 3:09pm 2026.1.2 0 VERSION_BUMP 41dbd9b2
Jan 27, 2026 2:00am 2026.1.1 0 VERSION_BUMP 1a541fb4
Jan 22, 2026 9:40am 2026.1.0 0 VERSION_BUMP b5bb22eb
Aug 2, 2025 7:10pm 2025.5.6 0 VERSION_BUMP 9da7c28a
Jul 30, 2024 1:36pm 2024.7.0 0 VERSION_BUMP 361da810
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