Decoy – Lightweight native app for local server mocks on macOS

Summary: Decoy enables developers to create local mock services on macOS without Docker or heavy Electron apps. It supports testing webhook requests, API wrappers, redirects, timeouts, failures, and full webpage mocks for scrapers and AI agents. The app is lightweight at 10MB, starts quickly, and contains no tracking.

What it does

Decoy runs local mock servers to simulate webhook requests and API responses, allowing developers to test various network conditions and full webpage mocks. It operates as a native macOS app without requiring accounts or subscriptions.

Who it's for

Developers needing to test webhook integrations, API wrappers, or web scraping scenarios locally on macOS.

Why it matters

It provides a lightweight, native alternative to bulky or subscription-based tools for local server mocking and testing network behaviors.