Yaak

Yaak 2026.9.0

The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC.

  • By Mountain Loop Labs
  • Open Source
  • Updated Oct 10, 2026
Download for Windows

About Yaak

The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC.

What's new in 2026.9.0

!Yaak 2026.9.0

The changelog for 2026.9.0 has the full write-up, with screenshots of the headline features. Here's everything that changed.

🎁 New

  • 📦 Import from Bruno (#706, feedback)
  • Import several files, folders, and URLs in one batch (#706, feedback)

💄 Improved

  • 📂 Multi-file import (#706, feedback)
  • Import multiple collections into one existing workspace (#706, feedback)
  • Show gRPC proto files and import folders as a file list (#706, feedback)
  • Write template string arguments in plain quotes instead of base64 (#708)
  • Convert Insomnia timestamp, hash, base64, cookie, and prompt tags on import (#712, feedback)

🛠️ Fixed

  • Keep sidebar items in place when editing items with equal sort priorities (#705)
  • Open the imported workspace after a deep-link import
  • 🧩 Better Insomnia imports (#693)
  • Keep template tags intact when a quoted argument contains ]} (#710)
  • Open the environment editor faster when it has many variables (#713, feedback)
  • Select new sub-environments in the editor and keep disabled rows through bulk edit (#714) …

Full release notes »

Technical details

PublisherMountain Loop Labs
Version2026.9.0
Release date2026-10-10
LicenseMIT
Installer typenullsoft
Architecturex64
Package IDYaak.app

Links & install command

Install Yaak from the command line with Windows Package Manager (winget):

winget install --id=Yaak.app -e

desktophttp-clientlinuxmacostauriwindows

Older versions

  • 2026.8.1
  • 2026.8.0
  • 2026.7.1
  • 2026.7.0
  • 2026.6.0
  • 2026.5.0
  • 2026.4.0
  • 2026.3.1
  • 2026.3.0