Reference Data API

New CME Reference Data API Changes - This Week

Effective this Sunday, August 16 (trade date Monday, August 17), the following changes will be implemented on CME Reference Data API.

CME Reference Data API Changes
EndPoint	Attribute Name	Description	Type	Market Type
Instrument	figiTicker	Financial Instrument Global Identifier (FIGI) Alias	String	Listed Derivatives
Instrument	figi	Financial Instrument Global Identifier (FIGI).	String	Listed Derivatives

Note: FIGI is not supported across all products. Products with no FIGI assigned will display null values.

These changes are currently available in New Release for customer testing.

Events and Announcements

NewBest Practices for Connecting to CME Group Web-Based Services

As CME Group continues to modernize its infrastructure to enhance resiliency, performance, and scalability, endpoint IP addresses for web-based applications, APIs and GUIs may change as services transition to cloud-hosted environments.

To prevent service disruption during system enhancements, CME Group strongly recommends all clients and their service providers adhere to CME Group connection standards, including:

• Prohibition of Hardcoded IP Addresses
• Standard DNS TTL Compliance
• Egress Firewall & Proxy Configuration
• Multi-Region & Cloud Resiliency

Review the full standards documentation on the Client Systems Wiki.

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