Twelve Data Market Data Connector - Comprehensive Financial Data Access

In today's fast-paced financial markets, access to reliable and comprehensive market data is essential for informed trading and investment decisions. Introducing the Twelve Data Market Data Connector - a powerful worker that provides seamless access to one of the most comprehensive financial data APIs available.

What is Twelve Data Market Data Connector?

The Twelve Data Market Data Connector integrates with the Twelve Data API to provide access to real-time and historical financial data across multiple asset classes including stocks, forex, cryptocurrencies, ETFs, and mutual funds. Whether you're building trading strategies, conducting fundamental analysis, or developing financial applications, this connector offers everything you need in one unified interface.

With support for over 40 different operations ranging from historical price data to technical indicators and fundamental company information, the Twelve Data connector eliminates the need for multiple data sources and complex API integrations.

Key Features

• 40+ Operations: From basic price data to advanced technical indicators and fundamental analysis
• Multi-Asset Support: Stocks, forex, crypto, ETFs, mutual funds, and more
• Real-time & Historical Data: Access both live market data and extensive historical datasets
• Global Coverage: Data from exchanges worldwide with automatic timezone handling
• Flexible Parameters: Customizable intervals, date ranges, and output sizes
• Rate Limiting: Built-in per-user rate limiting when using shared API keys
• Error Handling: Robust error handling with clear error messages
• API Key Management: Support for personal API keys or shared environment keys

Core Operations Overview

1. Market Data Operations - The Foundation

time_series: Historical and intraday OHLCV data for any symbol quote: Real-time quote snapshots with full market information price: Simple real-time price data for quick checks

2. Technical Analysis Operations

indicator: 20+ technical indicators including SMA, EMA, RSI, MACD, Bollinger Bands

3. Discovery Operations

symbol_search: Find symbols by name, exchange, or country exchanges: List all available exchanges and markets

4. Fundamental Operations

profile: Company overview and basic information fundamentals: Detailed financial statements and metrics dividends, splits, earnings: Historical corporate actions logo: Company logo URLs for branding

5. Financial Statements

income_statement: Revenue, expenses, and profitability data balance_sheet: Assets, liabilities, and equity information cash_flow: Operating, investing, and financing cash flows

6. ETFs & Mutual Funds

etfs_list, etfs_world: ETF discovery and global listings mutual_funds_list, mutual_funds_world: Mutual fund data and analysis

7. Calendar & Events

dividends_calendar, earnings_calendar: Upcoming corporate events ipo_calendar: New public offerings and listings

8. Analyst & Market Data

earnings_estimate, revenue_estimate: Analyst forecasts recommendations, price_target: Analyst opinions and targets analyst_ratings: Comprehensive analyst coverage

Getting Started - Interface Configuration

Basic Setup

1. Select Worker Type: Choose "twelve_data" from the worker selection dropdown
2. Choose Operation: Select your desired operation from the operation dropdown
3. API Key (Optional): Enter your personal Twelve Data API key, or leave blank to use the shared key
4. Configure Parameters: Fill in operation-specific parameters based on your needs

Common Parameters

• api_key: Your Twelve Data API key (optional if shared key is configured)
• operation: The specific operation you want to perform
• symbol: Stock ticker, forex pair, or crypto symbol (required for most operations)

Operation-Specific Parameters

Time Series Configuration:

• interval: Data interval (1min, 5min, 15min, 30min, 45min, 1h, 2h, 4h, 1day, 1week, 1month)
• outputsize: Number of data points to return (max 5000)
• start_date/end_date: Date range for historical data
• timezone: Target timezone for timestamps

Technical Indicators:

• indicator: Indicator type (sma, ema, rsi, macd, bbands, etc.)
• time_period: Lookback period for calculation
• series_type: Price series to use (open, high, low, close)

Search & Discovery:

• symbol: Search query for symbol lookup
• exchange: Filter by specific exchange
• country: Filter by country

Advanced Configuration Options

Rate Limiting Awareness

When using the shared API key, the system enforces per-user rate limits (5 calls per minute). Make sure your userId is properly configured in the context for accurate limiting.

Data Formatting

All timestamp data is automatically formatted in ISO format for consistency. You can customize this behavior through additional parameters if needed.

Multi-Symbol Support

Operations like time_series support comma-separated symbol lists for batch requests, allowing you to fetch data for multiple assets in a single call.

Practical Implementation Examples

Intraday Trading Strategy

Create a complete intraday analysis workflow:

1. Fetch Real-time Quotes using the quote operation
2. Calculate Technical Indicators using the indicator operation
3. Monitor Multiple Symbols with batch time_series requests
4. Set Alerts based on price levels and indicator signals

Complete Workflow Example:

• workers[0]: Twelve Data Connector
  • type: twelve_data
  • operation: time_series
  • symbol: AAPL,MSFT,GOOGL
  • interval: 5min
  • outputsize: 100
• workers[1]: Technical Analysis
  • type: technical_analysis
  • indicators: rsi,macd
  • data_source: workers[0].result

Fundamental Analysis System

Build comprehensive company analysis:

• workers[0]: Company Profile
  • type: twelve_data
  • operation: profile
  • symbol: TSLA
• workers[1]: Financial Statements
  • type: twelve_data
  • operation: income_statement
  • symbol: TSLA
  • period: annual
• workers[2]: Analyst Estimates
  • type: twelve_data
  • operation: earnings_estimate
  • symbol: TSLA

ETF Portfolio Analysis

Analyze ETF performance and holdings:

• workers[0]: ETF Discovery
  • type: twelve_data
  • operation: etfs_world
  • country: US
• workers[1]: ETF Performance
  • type: twelve_data
  • operation: etfs_world_performance
  • currency: USD

Operations Comparison Table

Operation Category	Best For	Key Parameters	Output Format
Market Data	Price analysis, charting	symbol, interval, dates	OHLCV arrays
Technical Indicators	Signal generation	indicator, symbol, period	Indicator values
Fundamentals	Company analysis	symbol	JSON objects
Financials	Ratio analysis	symbol, period	Financial statements
ETFs/Mutual Funds	Portfolio construction	filters, limits	Asset listings
Calendars	Event timing	date ranges	Event arrays
Analyst Data	Investment decisions	symbol	Estimates and ratings

Best Practices and Tips

API Key Management

• Use personal API keys for higher rate limits and dedicated quotas
• The shared key enforces per-user limits (5/min) to ensure fair usage
• Monitor your API usage through the Twelve Data dashboard

Data Optimization

• Use appropriate intervals for your analysis timeframe
• Limit outputsize to reduce response times and API costs
• Cache frequently accessed data to minimize API calls

Error Handling

• Check for API key validity before complex workflows
• Handle rate limit errors gracefully with retry logic
• Validate symbol existence before requesting detailed data

Performance Considerations

• Batch requests for multiple symbols when possible
• Use historical data endpoints for backtesting
• Implement caching layers for real-time applications

Integration with Other Workers

Trading Strategy Integration

Combine with technical analysis workers:

• Support & Resistance Calculator: Use price data for level identification
• Pattern Recognition: Feed historical data for pattern detection
• Risk Management: Incorporate volatility data from indicators

Portfolio Management

Build comprehensive portfolios:

• Asset Allocation: Use ETF and mutual fund data
• Performance Tracking: Monitor returns with price data
• Rebalancing: Trigger based on fundamental changes

Alert Systems

Create intelligent notifications:

• Price Alerts: Monitor specific levels with real-time data
• Technical Signals: Generate alerts from indicator crossovers
• Event Notifications: Track earnings and dividend calendars

Conclusion

The Twelve Data Market Data Connector represents a comprehensive solution for financial data access, providing everything from basic price information to advanced fundamental analysis in a single, easy-to-use interface. Whether you're a retail trader, institutional investor, or financial application developer, this connector offers the flexibility and reliability you need to build sophisticated financial workflows.

With support for global markets, multiple asset classes, and extensive historical data, the Twelve Data connector eliminates data silos and simplifies the development of financial applications. Start exploring the power of comprehensive market data today and unlock new possibilities for your trading and investment strategies.

For detailed guides on specific operations, check out our dedicated articles covering each major operation category with step-by-step interface instructions and practical examples.