Local REST API client

Keep everyday API work local and under your control.

BuildAPlugin is a free desktop REST client for macOS, Windows, and Linux, with an Android tablet build. Create and save requests without signing into a hosted workspace.

Download BuildAPlugin View plugin examples

The problem

Developers often need to inspect an endpoint quickly or work with internal API details without first creating an account, choosing a team workspace, or moving request data into a cloud product.

A straightforward local workflow

1. Create requests and edit URLs, methods, headers, and bodies.

2. Save collections and variables in the local app workspace.

3. Inspect response status, headers, timing, and body.

4. Extend the workspace later without changing the core app.

What to know before using it

Offline describes the local workspace and account model. Sending a request still requires whatever network access the target API needs, and optional AI or web-backed features require their respective services.

Build the next tool around your workflow

BuildAPlugin keeps specialist behavior in optional JavaScript plugins. Start with a working example, inspect the source, and change only what your workflow needs.

Try BuildAPlugin Compare the Postman-alternative approach