Quick API Test

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.