National Stock Exchange - India (Unofficial)

A comprehensive package and API server for accessing equity/index details and historical data from the National Stock Exchange of India. This project provides both an NPM package for direct integration and a full-featured GraphQL/REST API server.

📚 Documentation | 🚀 Examples

✨ Features

• 📦 NPM Package - Direct integration into your Node.js projects
• 🔌 GraphQL API - Modern GraphQL interface with Apollo Server
• 🌐 REST API - Comprehensive REST endpoints with Swagger documentation
• 💻 CLI Tool - Command-line interface for quick data access
• 🐳 Docker Support - Containerized deployment
• 🔒 CORS Configuration - Configurable cross-origin resource sharing
• 📊 Real-time Data - Live market data and historical information
• 📈 Multiple Data Types - Equity, Index, Commodity, and Options data

🚀 Quick Start

⚠️ Prerequisites: Node.js 18+ required

As an NPM Package

npm install stock-nse-india

import { NseIndia } from "stock-nse-india";

const nseIndia = new NseIndia();

// Get all stock symbols
const symbols = await nseIndia.getAllStockSymbols();
console.log(symbols);

// Get equity details
const details = await nseIndia.getEquityDetails('IRCTC');
console.log(details);

// Get historical data
const range = {
    start: new Date("2020-01-01"),
    end: new Date("2023-12-31")
};
const historicalData = await nseIndia.getEquityHistoricalData('IRCTC', range);
console.log(historicalData);

As an API Server

# Clone and setup
git clone https://github.com/hi-imcodeman/stock-nse-india.git
cd stock-nse-india
npm install

# Start the server
npm start

🌐 Server URLs:

• Main App: http://localhost:3000
• GraphQL Playground: http://localhost:3000/graphql
• API Documentation: http://localhost:3000/api-docs

📦 Installation

Prerequisites

• Node.js: Version 18 or higher
• npm: Version 8 or higher (comes with Node.js 18+)

NPM Package

npm install stock-nse-india
# or
yarn add stock-nse-india

CLI Tool

npm install -g stock-nse-india

Server Setup

git clone https://github.com/hi-imcodeman/stock-nse-india.git
cd stock-nse-india
npm install
npm start

🔌 GraphQL API

The project now includes a powerful GraphQL API for flexible data querying:

Example Queries

# Get equity information
query GetEquity {
  equities(symbolFilter: { symbols: ["IRCTC", "RELIANCE"] }) {
    symbol
    details {
      info {
        companyName
        industry
        isFNOSec
      }
      metadata {
        listingDate
        status
      }
    }
  }
}

# Get indices data
query GetIndices {
  indices(filter: { filterBy: "NIFTY" }) {
    key
    index
    last
    variation
    percentChange
  }
}

GraphQL Schema

The API includes schemas for:

• Equity - Stock information, metadata, and details
• Indices - Market index data and performance
• Filters - Flexible query filtering options

🌐 REST API

Comprehensive REST endpoints with automatic Swagger documentation:

Core Endpoints

• GET / - Market status
• GET /api/marketStatus - Market status information
• GET /api/glossary - NSE glossary
• GET /api/equity/:symbol - Equity details
• GET /api/equity/:symbol/historical - Historical data
• GET /api/indices - Market indices
• GET /api-docs - Interactive API documentation

API Documentation

Visit http://localhost:3000/api-docs for complete interactive API documentation powered by Swagger UI.

💻 CLI Usage

Basic Commands

# Get help
nseindia --help

# Get market status
nseindia

# Get equity details
nseindia equity IRCTC

# Get historical data
nseindia historical IRCTC

# Get indices information
nseindia index

# Get specific index details
nseindia index "NIFTY AUTO"

CLI Features

• Real-time data - Live market information
• Historical analysis - Historical price data
• Index tracking - Market index performance
• Interactive charts - ASCII-based data visualization

🐳 Docker

Quick Start

# Pull and run from Docker Hub
docker run --rm -d -p 3001:3001 imcodeman/nseindia

# Or build locally
docker build -t nseindia . && docker run --rm -d -p 3001:3001 nseindia:latest

Docker Hub

Image: imcodeman/nseindia
Registry: Docker Hub

Container URLs

• Main App: http://localhost:3001
• GraphQL: http://localhost:3001/graphql
• API Docs: http://localhost:3001/api-docs

⚙️ Configuration

Environment Variables

# Server Configuration
PORT=3000
HOST_URL=http://localhost:3000
NODE_ENV=development

# CORS Configuration
CORS_ORIGINS=https://myapp.com,https://admin.myapp.com
CORS_METHODS=GET,POST,OPTIONS
CORS_HEADERS=Content-Type,Authorization,X-Requested-With
CORS_CREDENTIALS=true

CORS Settings

• Origins: Comma-separated list of allowed domains
• Methods: HTTP methods (default: GET,POST,PUT,DELETE,OPTIONS)
• Headers: Allowed request headers
• Credentials: Enable/disable credentials (default: true)
• Localhost: Always allowed for development

📊 API Methods

Core Methods

• getAllStockSymbols() - Get all NSE stock symbols
• getData() - Generic data retrieval
• getDataByEndpoint() - Get data by specific NSE API endpoints

Equity Methods

• getEquityDetails(symbol) - Get equity information
• getEquityHistoricalData(symbol, range) - Historical price data
• getEquityIntradayData(symbol) - Intraday trading data
• getEquityOptionChain(symbol) - Options chain data
• getEquityCorporateInfo(symbol) - Corporate information
• getEquityTradeInfo(symbol) - Trading statistics

Index Methods

• getEquityStockIndices() - Get all market indices
• getIndexHistoricalData(index, range) - Index historical data
• getIndexIntradayData(index) - Index intraday data
• getIndexOptionChain(index) - Index options data

Commodity Methods

• getCommodityOptionChain(symbol) - Commodity options data

Helper Methods

• getGainersAndLosersByIndex(index) - Top gainers and losers
• getMostActiveEquities() - Most actively traded stocks

🏃‍♂️ Development

⚠️ Prerequisites: Node.js 18+ required

Local Development

# Clone repository
git clone https://github.com/hi-imcodeman/stock-nse-india.git
cd stock-nse-india

# Install dependencies
npm install

# Development mode with auto-reload
npm run start:dev

# Build project
npm run build

# Run tests
npm test

# Generate documentation
npm run docs

Development Scripts

• npm start - Start production server
• npm run start:dev - Development mode with auto-reload
• npm run build - Build TypeScript to JavaScript
• npm test - Run test suite with coverage
• npm run docs - Generate TypeDoc documentation
• npm run lint - Run ESLint

🧪 Testing

# Run all tests
npm test

# Run tests with coverage
npm test -- --coverage

# Run specific test file
npm test -- utils.spec.ts

📚 Documentation

• 📖 API Reference - Complete API documentation
• 🔍 Examples - Code examples and use cases
• 📋 Interfaces - TypeScript interface definitions
• 🏗️ Modules - Module documentation

🤝 Contributing

We welcome contributions! Please see our contributing guidelines and feel free to submit issues and pull requests.

Development Setup

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Add tests for new functionality
5. Ensure all tests pass
6. Submit a pull request

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

👥 Contributors

🔗 Links

• 🌐 Website: https://hi-imcodeman.github.io/stock-nse-india
• 📦 NPM: https://www.npmjs.com/package/stock-nse-india
• 🐳 Docker Hub: https://hub.docker.com/r/imcodeman/nseindia
• 🐛 Issues: https://github.com/hi-imcodeman/stock-nse-india/issues

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