🚀 ExpenseGuard – Expense Fraud Detection System

A full-stack web application that detects fraudulent expenses using rule-based logic, with role-based access for Admin and Users.

---

🔥 Features

• 🔐 Login System (Admin & User roles)
• 📊 Dashboard with real-time expense tracking
• ⚠️ Fraud Detection based on expense amount
• ➕ Add Expenses dynamically
• 👨‍💼 Admin Panel to manage enteries
• 🌐 Fully deployed (Frontend + Backend)

---

🛠️ Tech Stack

Frontend

• HTML
• CSS
• JavaScript

Backend

• FastAPI (Python)
• SQLite Database

Deployment

• Frontend: Netlify
• Backend: Render

---

📂 Project Structure

expenseguard/ │ ├── app/ │ ├── main.py │ ├── database.py │ ├── models.py │ ├── schemas.py │ ├── auth.py │ └── frontend/ │ ├── index.html │ ├── dashboard.html │ ├── admin.html │ ├── expenses.db ├── requirements.txt └── README.md

---

⚙️ How It Works

1. User logs in (Admin/User)
2. Admin can add employees (expenses)
3. Expenses are analyzed using fraud logic:
   • Amount > 50,000 → Fraud
   • Amount > 20,000 → Medium Risk
   • Otherwise → Safe
4. Dashboard displays:
   • Total Expenses
   • Fraud Count
   • Safe Transactions

---

🌐 Live Demo

• Frontend: neon-genie-4296fd.netlify.app
• Backend API: https://expenseguard-api.onrender.com

---

📌 API Endpoints

• POST /login → User login
• GET /expenses → Fetch all expenses
• POST /add_expense → Add new expense

---

🧠 Key Learnings

• Full-stack development (Frontend + Backend)
• REST API integration
• Debugging real-world deployment issues
• Working with databases (SQLite)
• Hosting apps using Netlify & Render

---

👨‍💻 Author

Riya Dixit