Here are some popular stock brokers in the USA that allow access to APIs for automated trading and integration:
---
### 1. **Interactive Brokers (IBKR)**
- **API Options**: REST, Python, Java, C++, and more.
- **Features**:
- Access to a wide range of asset classes and global markets.
- Supports algorithmic trading and extensive order types.
- Low commission rates and tight spreads.
- **Best For**: Advanced traders and developers.
---
### 2. **TD Ameritrade**
- **API**: TD Ameritrade API (REST API).
- **Features**:
- Allows access to real-time data, historical prices, and account management.
- Supports strategy backtesting and execution.
- Extensive documentation and free access for account holders.
- **Best For**: Developers looking for robust tools and integration.
---
### 3. **Alpaca**
- **API**: REST API, WebSocket for streaming data.
- **Features**:
- Commission-free trading on U.S. stocks and ETFs.
- Easy-to-use API for algorithmic trading.
- Supports fractional shares and paper trading.
- **Best For**: Beginners and small-scale algorithmic traders.
### 4. **E*TRADE**
- **API**: E*TRADE Developer Platform.
- **Features**:
- Access to market data, trading, and account management.
- Supports equities, options, and mutual fund trading.
- Solid documentation for developers.
- **Best For**: Intermediate developers and traders.
### 5. **TradeStation**
- **API**: TradeStation API and Web API.
- **Features**:
- Advanced trading platform with charting tools.
- Supports strategy automation with access to market data and order execution.
- Offers EasyLanguage for traders with less coding experience.
- **Best For**: Active traders and those focused on technical analysis.
### 6. **Robinhood**
- **API**: Unofficial API (no official API support yet, but developers use unofficial libraries).
- **Features**:
- Commission-free trading on stocks, options, and crypto.
- Minimalistic platform ideal for simple integrations.
- **Best For**: Casual traders looking for basic automation.
### 7. **Tradier**
- **API**: REST API with WebSocket support.
- **Features**:
- Commission-free equities trading (subscription required).
- Real-time and historical market data access.
- Excellent for building custom trading apps.
- **Best For**: Independent developers and startups.
### 8. **Webull**
- **API**: Unofficial API available for integrations (no official API support yet).
- **Features**:
- Commission-free trading and technical analysis tools.
- Basic trading automation possible with unofficial libraries.
- **Best For**: Beginners exploring automation.
---
### Key Considerations:
- **Advanced Needs**: Choose **Interactive Brokers** or **TradeStation** for comprehensive APIs and global market access.
- **Ease of Use**: **Alpaca** or **TD Ameritrade** are great for straightforward API setups.
- **Cost-Effective**: Consider **Alpaca** or **Robinhood** for free trading and basic automation.