API Documentation — Developer API for Market Data

API Overview

The MarketUpdate.net API provides programmatic access to real-time and historical market data for stocks, cryptocurrencies, forex, commodities, and more.

Our RESTful API delivers JSON-formatted responses with low latency and high reliability. Whether you're building a trading application, portfolio tracker, financial dashboard, or research tool, our API provides the data you need with simple, intuitive endpoints.

99.9%

Uptime SLA

<100ms

Average Response Time

50K+

Markets Covered

24/7

Technical Support

Getting Started

1

Sign Up for API Access

Create a free account to receive your API key. Free tier includes 1,000 requests per day.

Request API Key

2

Authenticate Your Requests

Include your API key in the request header or as a query parameter.

Authorization: Bearer YOUR_API_KEY

3

Make Your First Request

Start fetching market data with simple HTTP requests.

curl -H "Authorization: Bearer YOUR_API_KEY" \
  https://api.marketupdate.net/v1/quote/AAPL

Available Endpoints

GET /v1/quote/{symbol}

Get real-time quote data for a specific symbol including price, change, volume, and market cap.

Parameters

Parameter	Type	Required	Description
`symbol`	string	Yes	Stock ticker symbol (e.g., AAPL, TSLA, MSFT)

Example Response

{
  "symbol": "AAPL",
  "name": "Apple Inc.",
  "price": 178.25,
  "change": 2.45,
  "changePercent": 1.39,
  "volume": 52847392,
  "marketCap": 2847293847293,
  "high": 179.12,
  "low": 176.80,
  "open": 177.50,
  "previousClose": 175.80,
  "timestamp": "2026-02-03T20:00:00Z"
}

GET /v1/historical/{symbol}

Retrieve historical price data for charting and backtesting purposes.

Parameters

Parameter	Type	Required	Description
`symbol`	string	Yes	Stock ticker symbol
`from`	date	Yes	Start date (YYYY-MM-DD)
`to`	date	Yes	End date (YYYY-MM-DD)
`interval`	string	No	Time interval: 1m, 5m, 15m, 1h, 1d (default: 1d)

Example Response

{
  "symbol": "AAPL",
  "interval": "1d",
  "data": [
    {
      "date": "2026-02-01",
      "open": 175.30,
      "high": 177.85,
      "low": 174.90,
      "close": 176.45,
      "volume": 48392847
    },
    {
      "date": "2026-02-02",
      "open": 176.80,
      "high": 178.20,
      "low": 175.60,
      "close": 175.80,
      "volume": 51847392
    }
  ]
}

GET /v1/market/overview

Get overview of major market indices including S&P 500, NASDAQ, Dow Jones, and more.

Parameters

Parameter	Type	Required	Description
`region`	string	No	Filter by region: US, EU, ASIA (default: all)

GET /v1/crypto/{symbol}

Real-time cryptocurrency prices and 24-hour statistics.

Parameters

Parameter	Type	Required	Description
`symbol`	string	Yes	Crypto symbol (e.g., BTC, ETH, SOL)
`currency`	string	No	Quote currency: USD, EUR, GBP (default: USD)

GET /v1/forex/{pair}

Foreign exchange rates for currency pairs with bid/ask spreads.

Parameters

Parameter	Type	Required	Description
`pair`	string	Yes	Currency pair (e.g., EURUSD, GBPJPY)

GET /v1/news

Latest financial news and market updates with filtering options.

Parameters

Parameter	Type	Required	Description
`symbol`	string	No	Filter by symbol
`category`	string	No	Filter by category: earnings, economy, crypto, etc.
`limit`	integer	No	Number of articles to return (max: 100, default: 20)

Rate Limits & Pricing

Free

$0/month

1,000 requests/day
Real-time data (15-min delay)
Basic endpoints
Email support
HTTPS access

Get Started

Popular

Pro

$49/month

50,000 requests/day
Real-time data (no delay)
All endpoints
Priority support
WebSocket streams

Upgrade to Pro

Enterprise

Custom

Unlimited requests
Real-time data (no delay)
Custom endpoints
24/7 phone support
SLA guarantee
On-premise deployment

Contact Sales

API Features

Real-Time Data

Access live market data with minimal latency. Pro plans include real-time streaming via WebSocket connections.

Secure & Reliable

Industry-standard encryption, OAuth 2.0 authentication, and 99.9% uptime guarantee with redundant infrastructure.

Clear Documentation

Comprehensive API documentation with code examples in multiple languages and interactive API explorer.

Developer Support

Dedicated developer support team, community forum, and extensive knowledge base to help you integrate quickly.

Use Cases

Trading Applications

Build algorithmic trading bots, backtesting platforms, and automated trading systems with real-time market data feeds.

Portfolio Trackers

Create portfolio management tools that track performance, calculate returns, and provide real-time valuations.

Financial Dashboards

Embed live market data widgets, charts, and tickers into your website or internal business intelligence tools.

Research Platforms

Access historical data for quantitative analysis, academic research, and financial modeling applications.

Mobile Apps

Integrate market data into iOS and Android apps for retail investors, traders, and financial professionals.

Robo-Advisors

Power automated investment advisors with current pricing, fundamentals, and market sentiment data.

Ready to Start Building?

Get your API key today and start integrating real-time market data into your applications.

Request API Key Contact Sales

Questions? Email us at [email protected] or call (415) 555-0199