Expense Tracker API

A Spring Boot REST API for managing personal expenses.

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Features

• Create expense
• Get all expenses
• Get expense by ID
• Delete expense
• Update expense
• Filter by category

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Tech Stack

• Java
• Spring Boot
• Spring Data JPA
• MySQL
• Maven

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API Endpoints

Create Expense

POST /expense

Get All Expenses

GET /expenses

Get Expense by Category

GET /expenses?category=FOOD

Delete Expense

DELETE /expenses/{id}

Update Expense

PUT /expenses/{id}

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Project Structure

controller → handles HTTP requests service → business logic repository → database access entity → database model dto → request/response objects

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Setup Instructions

1. Clone repo
2. Configure MySQL in application.properties
3. Run Spring Boot application

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Future Improvements

• Pagination
• Authentication (JWT)
• Expense analytics
• AI-based insights

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👨‍💻 Author

Kaze79-afk