Fast, open-source API client with fangs.

Zaku is a native Rust, local-first, open-source API client engineered for speed and productivity.

Clone source

Coming soon for Linux, macOS and Windows

Zaku desktop API client

Fast

Written in Rust with GPUI and efficiently leverages multiple CPU cores and your GPU.

Collaborative

Everything stays on your local filesystem and you can use Git to collaborate with your teammates.

Open Source

Built in the open and licensed under the GNU Affero General Public License, Version 3.0 or later.

Zaku © 2026