Open Source Privacy First Cross Platform

The local-first REST API Client

A lightweight, privacy-focused tool for testing APIs. No cloud, no login, just you and your requests. Open source and built for speed.

Available for macOS • Windows • Linux

Features

Everything you need

Powerful tools to streamline your API development workflow.

Organize your requests into folders and collections.

Switch between development, staging, and production.

Manage per-domain cookies automatically or manually.

Never lose a request. Search your full request history.

Join developers who value privacy and efficiency. API Calls is free, open source, and built with care.