FIX Engine and Direct Market Access
SDK Solutions

for mission critical trading infrastructure and application frameworks

OnixS Specialist Software

We provide Direct Market Access (DMA) Software Development Kits (SDKs) for mission critical trading infrastructure and application frameworks. Our SDKs are fully supported and designed to enable developers to quickly integrate market data feeds, order entry APIs, and post trade feeds into trading and application frameworks.


Our Products

directConnect Expand / collapse

A suite of venue specific calibrated and certified native protocol and FIX protocol Market Data Handler, Order Routing, Trade Capture and Drop Copy SDK solutions.

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FIX Engines Expand / collapse

Our FIX Engine products are ultra low latency FIX Protocol .NET / C#, C++ and Java SDK implementations to FIX-enable applications and execution/order management systems.

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FIX Support & Tools Expand / collapse

Our utilities, reference and support tools include the SBE Codec, the FIX Analyser for development and operational support of FIX Protocol infrastructure, and the online OnixS FIX Dictionary for FIX Protocol reference.

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Why choose OnixS?

OnixS provides easy to use Direct Market Access (DMA) SDK solutions enabling proprietary trading groups, commodity and energy trading firms, application ISVs, investment banks and exchanges to save time and money in the build and ongoing maintenance of trading systems and application frameworks

  • Offered on a low-cost fully-supported subscription basis

  • High-performance multi-platform implementations

  • Minimises the cost of deploying critical trading infrastructure

  • Fast-start to FIX-enable trading, order management and risk management systems

Insights : OnixS

News, views and technical updates from across the industry


Technical Guide: FIXML Tutorial

2 June, 2021

A brief guide to working with FIXML, plus the advantages, disadvantages and considerations of FIX and FIXML.

EBS Market’s Migration to the CME Globex Platform

12 May, 2021

EBS Market's Central Limit Order Book, and eFix Matching Service, are migrating to CME Globex. Here we summarise the technical CME Globex platform ...

A Guide to integrating the ICE iMpact Multicast Market Data Price Feed From Colocation To Cloud Platforms

28 April, 2021

Designed to address constraints when integrating high-volume multicast market data feeds into the Cloud, this guide outlines how to integrate the ICE ...

What is Direct Market Access (DMA)

12 April, 2021

Direct Market Access (DMA) is the common term used to define the physical connectivity and programmatic access supporting the ability to interact ...

Prepare now, ahead of the launch of ICE Futures Abu Dhabi (IFAD)

3 March, 2021

The recent ICE announcements about the planned launch of ICE Futures Abu Dhabi (IFAD) in March 2021, are creating trading interest amongst OnixS ICE ...

Release Notes

The OnixS Release Notes are detailed descriptions of new features, improvements and bug fix releases for all OnixS products that are published via an email list server, Twitter, RSS feed and on the web.

We recommend listenning to these Release Note updates via your preferred mechanism(s).


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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