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LSE Drop Copy FIX API SDK solutions

The London Stock Exchange (LSE) Drop Copy services enable member firms to receive copies of Execution Report messages generated by the matching system, and to query the current status of all their active orders.

The LSE Drop Copy services are based on FIXT 1.1 and FIX 5.0 (Service Pack 2) protocols supported by the OnixS LSE Drop Copy API FIX SDK solution bundles of:

  • a choice of the OnixS FIX Engine range of .NET, C++ and Java FIX Engines providing high performance FIX engine and FIX/FAST solutions with the flexibility of technology platform choice and simple API's.
  • LSE Drop Copy venue specific calibrated, tested and supported FIX dialect variant protocol implementation
  • fast-start reference implementation client application samples with source code to save time getting up and running
  • the reassurance that the OnixS LSE Drop Copy FIX solutions are supported and certified


The OnixS LSE Drop Copy API FIX solution Version 1.0.2 was accredited by the London Stock Exchange on 25th October 2017 for use in connection with the services of the London Stock Exchange set out in the accreditation table on its website.