Interactive Brokers

Interactive Brokers Client Portal API

The Interactive Brokers Client Portal API is a REST API accessed through a locally running Java gateway that routes authenticated requests to IBKR systems. It provides a lightweight interface for trading, viewing portfolio information, accessing market data, and managing authentication. The API uses a two-tiered session structure with read-only and brokerage session levels.

GitHub

Documentation

📖
Documentation
https://interactivebrokers.github.io/cpwebapi/

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/interactive-brokers/refs/heads/main/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: interactive-brokers:client-portal-api
name: Interactive Brokers Client Portal API
description: The Interactive Brokers Client Portal API is a REST API accessed through a locally running
  Java gateway that routes authenticated requests to IBKR systems. It provides a lightweight interface
  for trading, viewing portfolio information, accessing market data, and managing authentication. The
  API uses a two-tiered session structure with read-only and brokerage session levels.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
humanURL: https://interactivebrokers.github.io/cpwebapi/
baseURL: https://localhost:5000/v1/api
tags:
- Authentication
- Brokerage
- Gateway
- Trading
properties:
- type: Documentation
  url: https://interactivebrokers.github.io/cpwebapi/