Main features

This CME STP API is what was previously known as the CME "Cleared Trades" (CT) API.

Key features include:

  • Trade confirmations directly from the exchange (including broker trades).
  • Supports all products except IRS.
  • Allows to view Exchange trading, off-Exchange trading, and clearing activity via subscription and query messages.
  • Pre-tested and CME certified – thus saving time and money in integration testing.
  • Encapsulates the transport-level handling.
  • Supported – service level guarantee that the implementation is production strength, and will support current and future enhancements.
  • Easy-to-use and flexible API – designed for rapid integration with existing STP architectures, with a common API style for multi-venue implementations.
  • Flexible logging – ability to analyse and diagnose issues and activity quickly.
  • Includes the fast-start source code reference implementation – designed to get up and running rapidly.

Free 30 day evaluation



All solutions are pre-certified with the Exchange.


The OnixS directConnect: CME STP API Handler SDK includes:

  • Handler library
  • Documentation
  • Getting Started sample

Free 30 day evaluation

Our objective is to provide you with ready to use evaluation SDK download distributions for market access solutions that are specific to your target venue and code base.

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