API Documentation
FIX APIs
Members can utilize the Financial Information eXchange (FIX) 4.4 protocol to interact with Cboe Digital exchange systems. The documents below provide detailed explanation and message structure for our market data, order management and straight through processing services. The following steps are required before using the services in production:
- Review our FIX Specifications documents.
- When ready to start coding email us at [email protected] to start the process.
- Once your development and testing is complete, you will need to pass through our quick conformance criteria before you application can be used in production.
FIX Specification for Market Data and Order Execution
FIX STP Specification for Guaranteed Execution Reports
WebSocket API
Our WebSocket API provides access to real-time market data services via an authenticated connection. Members can create new API keys from the Cboe Clear US Member Portal and select the services the key should be permissioned for:
- Market Data
REST API
This REST API allows Clearing Members to interact with their Clearing accounts as well as with some features of Order management via an authenticated set of REST requests. Members can create new API keys from the Cboe Clear US Member Portal and select the services the key should be permissioned for:
- Clearing (Read-Only)
- Funding
- Submit Block Trade
- Order Entry (Test Environment Only)
Public Margin File Information
The Public Margin File information document outlines how to access publicly available files, such as margin rates and market data for example, via an API.
Production V 2.0
