Welcome to FIXopaedia the fastest, most comprehensive and feature rich FIX reference source. B2BITS' FIXopaedia is built on top of our complete set of FIX Dictionaries and allows examining the elements required for session and application level messages across all versions of the FIX Protocol (FIX 4.0 - 5.0, 5.0 SP1, 5.0 SP2):

Please click below to see the full logical specification of every message and tag type for the version of FIX that you require.

Version 2.3.55

The following FIX engines provide complete support of all these dictionaries:

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