Payflow

💸 PayFlow Pro — Secure Invoicing & Payment Automation System

PayFlow Pro is a Spring Boot–based backend system designed for managing invoices, processing payments securely, and enabling seamless integration for business finance workflows.
It focuses on scalability, security, and modular design, making it suitable for enterprise-level billing systems.

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🚀 Features

✅ Invoice Management

• Create, update, delete invoices
• Fetch invoices by ID
• Auto-generate invoice totals
• Structured invoice model

🔐 Security (Spring Security)

• Custom security configuration
• CORS rules for secure API usage
• Token-based authentication ready (extendable)

🌐 REST API Endpoints

• Fully RESTful architecture
• Easy integration with frontend or third-party apps
• JSON-based interaction

⚙️ Scalable Architecture

• Layered backend: Controller → Service → Model
• Clean Maven project structure
• Extensible design for future modules
• Integration-ready build

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🛠️ Tech Stack

Component	Technology
Backend Framework	Spring Boot (Java)
Build Tool	Maven
Security	Spring Security
Config	CORS Config, Security Config
Deployment	Any Java-supported server (Tomcat, EC2, etc.)
Version Control	Git & GitHub

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📂 Project Structure

PayFlow-Pro/ ├── backend/ │ ├── src/main/java/com/payflowpro/ │ │ ├── PayFlowProApplication.java │ │ ├── controller/InvoiceController.java │ │ ├── config/CorsConfig.java │ │ ├── config/SecurityConfig.java │ │ └── model/Invoice.java │ └── pom.xml ├── .gitignore ├── run.bat └── README.md

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🧪 API Endpoints (Sample)

📄 Invoices

Method	Endpoint	Description
GET	/invoices	Get all invoices
GET	/invoices/{id}	Get invoice by ID
POST	/invoices	Create new invoice
PUT	/invoices/{id}	Update invoice
DELETE	/invoices/{id}	Delete invoice

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🏃‍♂️ How to Run the Project Locally

1️⃣ Clone the repo

git clone https://github.com/Harushii16/Payflow.git

2️⃣ Navigate to the backend
cd PayFlow-Pro/backend

3️⃣ Build the project
mvn clean install

4️⃣ Run the application
mvn spring-boot:run

OR (if using Windows)
run.bat


Your server will start on:

http://localhost:8080

🔒 Security Implementation

Configurable CORS policy

Basic Auth ready (extendable to JWT)

Protection for endpoints

Global application-level security rules

🧩 Future Enhancements

JWT Authentication & user roles

Dashboard analytics for invoices

Email automation for invoice sending

Payment gateway integration (Razorpay/Stripe)

React/Angular frontend UI

👨‍💻 Author

Harushi
Backend Developer | Java • Spring Boot • API Design