# Interactive Brokers Client Portal API

**Canonical:** https://apis.io/apis/interactive-brokers/client-portal-api/  
**Provider:** Interactive Brokers — https://apis.io/providers/interactive-brokers/  
**Base URL:** https://localhost:5000/v1/api  
**Documentation:** https://interactivebrokers.github.io/cpwebapi/

Interactive Brokers Client Portal API is one of 7 APIs that [Interactive Brokers](https://apis.io/providers/interactive-brokers/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Authentication, Brokerage, Gateway, and Trading. The published artifact set on APIs.io includes API documentation.

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.

## Machine-readable artifacts (2)

- **Documentation** — https://interactivebrokers.github.io/cpwebapi/
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/interactive-brokers/refs/heads/main/apis.yml

## Other Interactive Brokers APIs (6)

- [Interactive Brokers Accounts API](https://apis.io/apis/interactive-brokers/interactive-brokers-accounts-api/)
- [Interactive Brokers Contracts API](https://apis.io/apis/interactive-brokers/interactive-brokers-contracts-api/)
- [Interactive Brokers Market Data API](https://apis.io/apis/interactive-brokers/interactive-brokers-market-data-api/)
- [Interactive Brokers Orders API](https://apis.io/apis/interactive-brokers/interactive-brokers-orders-api/)
- [Interactive Brokers Portfolio API](https://apis.io/apis/interactive-brokers/interactive-brokers-portfolio-api/)
- [Interactive Brokers Sessions API](https://apis.io/apis/interactive-brokers/interactive-brokers-sessions-api/)

## Tags

Authentication, Brokerage, Gateway, Trading

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/interactive-brokers/client-portal-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/interactive-brokers/.