Currency Conversion API

A minimal Spring Boot backend that:

• Fetches real-time exchange rates from the Open Exchange Rates API (https://open.er-api.com/v6/latest/{CURRENCY_CODE})
• Converts between USD, EUR, and JPY
• Keeps a history of the last 5 conversions
• Generates a PDF report of the conversion history in a grid format
• Sends the PDF to a specified email address (via Gmail SMTP with App Password)

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Features

• Real-time currency rates
• Conversion between USD, EUR, and JPY
• PDF report with grid layout
• Automatic pagination in PDF
• Email sending via SMTP

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Requirements

• Java 17+
• Maven 3+
• Gmail account with App Password enabled
• Internet connection

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Setup

1. Clone the repository

git clone https://github.com/kamau-n/currency-converter-api.git
cd currency-converter-api


##  Usage 
Run

GET http://localhost:8080/currency/convert?from=USD&to=JPY&amount=100