Quick API Test

A lightweight, local-first API testing tool.

Quick API Test is a fast, lightweight, and local-first API testing tool built for developers who want immediate feedback without the overhead of heavyweight clients. Designed to run entirely inside your browser, it allows you to send HTTP requests, inspect responses, and validate endpoints in seconds — no accounts, no cloud sync, no distractions. Whether you're debugging a single endpoint or iterating rapidly during development, Quick API Test keeps your workflow focused and efficient. 🚀 Why Quick API Test Instant API testing directly inside your browser Local-first & privacy-friendly — all requests stay in your environment No setup required — open and test immediately Clean, developer-focused interface optimized for speed This tool is ideal for developers who value simplicity, clarity, and control. 🔧 Core Features Support for all major HTTP methods: GET, POST, PUT, PATCH, DELETE, OPTIONS Custom headers, query parameters, and path variables Environment variables for flexible endpoint configuration JSON, form data, and raw request body support Clear, formatted response viewer with: Status code Headers Response body Timing information Collection-based organization for managing multiple endpoints Tabbed requests for parallel testing workflows 🎯 Designed for Real Development Work Quick API Test is suitable for: Rapid endpoint debugging during development Testing internal or private APIs Verifying authentication headers and tokens Learning and teaching HTTP request fundamentals Prototyping services and validating responses quickly The interface is intentionally minimal, so even complex API workflows remain easy to understand and manage. 🔒 Privacy & Security First All API requests are executed locally in your browser. Quick API Test does not collect, transmit, or store your data on external servers, making it safe for sensitive endpoints and internal services. ❓ Frequently Asked Questions How do I get started? Install the extension, open it, and create your first request. No configuration required. Does it support authentication? Yes. You can use custom headers for API keys, Bearer tokens, and other authentication schemes. Is there a request limit? No artificial limits. You can test as many endpoints as you need. Is this a Postman replacement? Quick API Test is an independent tool focused on speed and simplicity. It is not affiliated with Postman or any other third-party service. ⚠️ Disclaimer Quick API Test is an independent API testing tool and is not affiliated with Postman, FastAPI, or any other third-party platform or framework. Built for developers who prefer less setup, fewer clicks, and faster feedback.