Advice and support from the experts in FIX Protocol

Working with the Financial Information eXchange (FIX) protocol standards requires base knowledge of the context of what the FIX standards are, how they are used and in what trading contexts, and even for experienced developers reference to the FIX data dictionary saves much time and effort.

The OnixS reference and support tools are useful for people supporting FIX connectivity infrastructure and working with FIX Protocol messaging standards.

FIX Dictionary Expand / collapse

Need to dive deep into the specific FIX message standards syntax in tag/value and enumeration formats?

OnixS provide the online OnixS FIX Dictionary reference for deep referenced to the FIX protocol standards.

Onixs Fix Dictionary
FIX Analyser Expand / collapse

Do you need to analyse FIX messaging interactions in human readable format by analysing FIX Engine message log files?


The OnixS FIX Analyser is a high performance FIX log file analysis tool supporting queries, validation, monitoring of FIX standards and dialects designed to save time and money in developing and supporting FIX based trading infrastructures.

Onixs Fix Analyser
SBE Encoder/Decoder Implementations Expand / collapse

The OnixS SBE Decoders and Encoders are ultra-low latency implementations of the SBE Protocol in C++, Java and .NET. We use our own SBE Codec implementations in our Direct Market Access SDKs where SBE support is required.

The OnixS SBE Decoder and Encoder implementations can significantly reduce development time and costs for firms building and supporting their own financial applications that require SBE encoded and/or decoded binary application messages.

Sbe Codec
FIX FAST Encoder/Decoder Implementations Expand / collapse

The OnixS FIX Engine SDKs include out-of-the-box fully standard FAST 1.1/1.2 implementations for C#, C++ and Java.

They include versatile diagnostics and a comprehensive set of  quick-start reference implementation sample applications (with the source code) designed to significantly reduce the time and cost of FIX FAST development and implementation.

Fix Fast Codec
About the FIX Protocol Expand / collapse

Do you want to understand more about what the FIX Protocol standards are?

What is the FIX session layer and application layer?

What is FIX Transport Session Protocol (FIXT)?

What are FIX dictionary/dialect variants?

Fix Protocol Overview
FIXP Expand / collapse

What is FIXP?

FIX Performance Session Layer (FIXP) is a lightweight protocol that describes how to establish and maintain a communication session between two endpoints.

Fixp Overview

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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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