Application Level Standards

FIX Latest

Supported Legacy Versions

Encoding

Messaging and Framing

Transport Level


APPLICATION LAYER SUPPORT


Extension Packs

FIX Latest is continuously enhanced by means of incremental extension packs (EPs). They are standalone documents for the formal review and approval process.

User Defined Fields

User defined fields (UDFs) may be used in addition to FIX standard fields to convey specific information or to support regulatory requirements in FIX legacy versions.

Code Lists

FIX suggests external code lists for certain fields. Codes lists are maintained outside of the FIX Specification review process to support faster extensibility.


RESOURCES TO HELP YOU USE THE FIX STANDARDS


FIX Orchestra and Repository

The FIX Repository is a set of XML files for the FIX Protocol application layer messaging specification. FIX Orchestra is a current initiative to facilitate machine readable rules of engagement between counterparties.

FIXimate

FIXimate is a web based view of the FIX Protocol component, message and data dictionary definitions, covering versions 4.0 to 5.0SP2. A link is also provided to the FIXimate for the lastest available Extension Pack (EP).

FIXwiki

The FIXwiki provides a wiki platform in which members can share their knowledge and implementation know-how of the FIX Protocol standard. You must be a member in order to obtain a login to edit the FIXwiki.