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