Interest Calculator API

A simple Node.js and Express API for calculating simple and compound interest.

API Features

• Calculates simple interest and total amount.
• Calculates compound interest and total amount.
• Includes input validation for all parameters.
• Displays final result along side inputs rendered.

Prerequisites

• Node.js (v18 or higher recommended)
• npm (Node Package Manager)

Installation

1. Clone the repository:

   git clone https://github.com/HafeezShuaib/InterestCalculatorAPI.git
   cd InterestCalculatorAPI

2. Installing dependencies: This will install express, morgan and nodemon as listed in package.json:

   npm install

Running the Application

• For Development

  This will use nodemon to automatically restart the server when you make changes to the files:

  nodemon app.js

  This will run the application using node:

  node app.js

Once running, the server will be available at http://localhost:3000.

• API Endpoints

  This API provides two (2) endpoints for calculations:

  POST /api/calculate/simple-interest
  
  POST /api/calculate/compound-interest

For detailed information on request/response formats, please see the full API Documentation.