Interactive Brokers API Reference Guide 9.69

About this manual

This guide covers the full set of API functions, request/response formats, order types, market data handling, and historical data limits. It includes examples for Java, C++, Visual Basic, and Excel integration, as well as troubleshooting and installation instructions.

The document also describes how to configure the API for TWS and IB Gateway, manage accounts, use ActiveX components, and work with market scanners, scanners, and real‑time data streams.

What's inside

• Introduction
• About the APIs
• Running the API via TWS
• Running the API via IB Gateway
• Installation and Uninstallation
• API Requests and Server Responses
• Historical Data Limits
• Order Management and Types
• Market Scanner and Market Depth
• ActiveX and Excel Integration

Specifications

Frequently asked questions

What is the API version number?

The guide documents API version 9.69.

How can I uninstall and reinstall the TWS API software?

See the section “在PC计算机上卸载和重新安装 TWSAPI 软件” for step‑by‑step instructions.