As previously noted in advisories 25-057 and 25-058 and the date extension noted in 25-110, CME is enhancing the CME CORE API and CME CORE web-based user interface. To provide additional time for users to test the API changes, the mandatory adoption date has been extended through April 25, 2025. Please note changes are mandatory for API users and impact both test and production environments. Please review the original advisories for more details on the changes.

Please contact the post-trade services team below with questions or concerns.

For the full text of this advisory, please refer to the link below.