{DevQnA} API 🚀

A free mock REST API with real coding interview questions and answers, built for developers, students, and interview preparation.

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📑 Contents

• 📖 Introduction
• 🎯 Purpose of the Project
• ✨ Features
• 🛠️ Technologies Used
• 🌐 Deployment
• 💡 Inspiration

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📖 Introduction

{DevQnA} API is a free mock REST API that serves coding interview questions and answers across multiple programming languages, including:

• 🐍 Python
• ☕ Java
• 🟨 JavaScript
• ⚙️ C++
• 🐹 Golang

Just like JSONPlaceholder gives developers fake data to test with, {DevQnA} API provides real interview questions that you can build with, learn from, or integrate into your projects while practicing API development.

No sign-up required. No API key required.

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🎯 Purpose of the Project

{DevQnA} API was built to provide developers with a simple, ready-to-use REST API for learning, testing, and building applications.

It can be used to:

• 🧪 Test frontend applications using realistic, structured data
• 📚 Showcase a live API in GitHub projects, tutorials, or demos
• 🛠️ Practice REST APIs and CRUD operations (Create, Read, Update, Delete)
• 🎓 Explore real coding interview questions while preparing for technical interviews

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✨ Features

• 🌐 Multiple programming language routes for Python, Java, JavaScript, C++, and Golang
• 🔍 Fetch all questions for a language (e.g. /api/pythonqna)
• 🔢 Fetch a single question by its ID (e.g. /api/pythonqna/1)
• 🎚️ Filter questions by difficulty (e.g. /api/pythonqna?difficultyLevel=easy)
• ➕ Create a new question using POST
• ✏️ Replace an existing question using PUT
• 🩹 Update selected fields using PATCH
• 🗑️ Delete a question using DELETE
• 👀 View ready-to-use fetch() examples for every endpoint
• 📋 Copy API routes and example code with a single click
• 📱 Fully responsive across desktop, tablet, and mobile devices
• 🎨 Clean documentation-style interface with a warm amber theme

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🛠️ Technologies Used

• ⚛️ Next.js (App Router) — frontend and API routes
• 🎨 Tailwind CSS — styling
• 🧩 shadcn/ui — reusable UI components
• 🖼️ React Icons — lightweight icon library

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🌐 Deployment

The project is live and available here:

🔗 Live Demo: https://devqna-som.netlify.app/

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💡 Inspiration

{DevQnA} API is inspired by JSONPlaceholder, one of the most popular mock REST APIs used by developers around the world.