Fraud Detection API

This API provides fraud detection capabilities for financial transactions.

API Endpoints

GET /

Health check endpoint that returns API status.

POST /predict

Predicts whether a transaction is fraudulent.

Request Format

{
    "transaction_id": "ANON_287602",
    "transaction_date": "2024-12-13 11:17:53",
    "transaction_amount": 199.0,
    "transaction_channel": "mobile",
    "transaction_payment_mode": 10,
    "payment_gateway_bank": 0,
    "payer_email": "example@email.com",
    "payer_mobile": "XXXXX967.0",
    "payer_browser": 517,
    "payee_id": "ANON_119",
    "payee_ip": "xxx.xxx.xxx.xxx"
}

Response Format

{
    "transaction_id": "ANON_287602",
    "is_fraud": true
}

Deployment

Local Development

1. Install dependencies:

   pip install -r requirements.txt

2. Run the server:

   python app.py

Render Deployment

1. Push code to GitHub
2. Create new Web Service on Render
3. Connect to GitHub repository
4. Use the following settings:
   • Build Command: pip install -r requirements.txt
   • Start Command: gunicorn app:app

Required Files

• model.pkl: Trained machine learning model
• scaler.pkl: Feature scaler

Environment Variables

None required

Testing

Run the test script:

python test.py