FIX Adapted for STreaming(SM)

The FAST Protocol (SM) is developed, maintained and supported by the FIX Trading Community’s  Market Data Optimization Working Group. The protocol is intended to enable efficient use of band width in high volume messaging without incurring material processing overhead or latency. The protocol was developed as a result of the Market Data Optimization Working Group’s  Proof of Concept  (POC) project to explore various methods of optimized data representation within the FIX Protocol.

FAST Protocol Specification

FIX Trading Community’s Intellectual Property in Standards Agreement – The Chicago Mercantile Exchange’s agreement with FIX Trading Community which provides assurances to FIX Protocol users regarding the use of CME patented technology which affects the FAST Protocol.


FAST Extension Version 1.2 119.62 KB 506 downloads

New specification for the extension of FAST version 1.2. ...

FAST Specification Version 1.1 472.97 KB 665 downloads

This document defines the structure and semantics of FAST, which is a binary encoding...

FAST Specification Version 1.1 Simple Chinese Translation 624.16 KB 145 downloads

This document is a non-normative Simple Chinese translation of the FAST Specification...

    FAST Session Control Protocol


    FAST Session Control Protocol (SCP) 1.1 286.50 KB 219 downloads

    New specification for FAST Session Control Protocol (SCP), version 1.1 ...

      FAST Reference Code

      Reference source code for the FAST Protocol (CODEC and SERDES). This source is provided on an open source basis via the W3C Software License. C and C# versions are available.


      FASTapi C Reference Source Code v1.0 216.62 KB 205 downloads

      fastapi v1.0 is a C library implementation of the FAST Protocol (SM). It provides...

      FASTapi C# Reference Source Code v1.0 23.98 KB 147 downloads

      fastapi C# v1.0 is a C# library implementation of the FAST Protocol (SM). It provides...

        FAST User Guides


        Basic FAST User's Guide 216.19 KB 389 downloads

        The purpose of this document is to describe the proper use of the FAST Protocol in...

        FAST Protocol Technical Overview 203.24 KB 304 downloads

        The FAST Protocol Technical Overview explains in detail how FAST successfully presents...

        FASTapi User's Manual for C 216.62 KB 151 downloads

        User's Manual for C reference code. fastapi is a C library implementation of the...

        FASTapi User's Manual for C# 108.50 KB 122 downloads

        User's Manual for C# reference code. fastapi C# is a C# library implementation of...

        FIX Over FAST Implementation Guide 412.22 KB 248 downloads

        Based on features introduced in FAST version 1.2 which was released in February 2009,...