PulseNow Backend API

This is the backend API for the Flutter assessment. It provides mock data endpoints for market data, analytics, and portfolio management.

Setup

1. Install dependencies:

npm install

2. Start the server:

npm start

For development with auto-reload:

npm run dev

The server will run on http://localhost:3000

API Endpoints

Market Data

• GET /api/market-data - Get all market symbols
• GET /api/market-data/:symbol - Get data for a specific symbol (e.g., BTC/USD)
• GET /api/market-data/:symbol/history?timeframe=1h&limit=100 - Get historical data

Analytics

• GET /api/analytics/overview - Get analytics overview
• GET /api/analytics/trends?timeframe=24h - Get market trends
• GET /api/analytics/sentiment - Get market sentiment

Portfolio

• GET /api/portfolio - Get portfolio summary
• GET /api/portfolio/holdings - Get portfolio holdings
• GET /api/portfolio/performance?timeframe=7d - Get performance metrics
• POST /api/portfolio/transactions - Add a transaction

WebSocket

• ws://localhost:3000 - Real-time market updates

Health Check

• GET /health - Server health status