TEBucks — Online Payment Service

A full-stack project built with Java (Spring Boot) and PostgreSQL, featuring both a REST API and a command-line interface (CLI).
TEBucks simulates a peer-to-peer payment service, allowing users to register, authenticate, view balances, and securely transfer funds.

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Features

• User registration and authentication with token-based login
• View account balances
• Send TE Bucks to other registered users
• Enforce transfer rules (no overdrafts, no self-payments, positive amounts only)
• Transaction persistence in PostgreSQL
• Command-line interface for interacting with the API

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Tech Stack

• Backend: Java, Spring Boot, JUnit
• Database: PostgreSQL
• API: RESTful services
• CLI: Java console application
• Version Control: GitHub

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Future Improvements

• Add a web frontend for easier interaction
• Implement email or notification system for transfers
• Add transaction history with filtering and search