FIX standard version 4.2

FIX standard version 4.4

Current FIX application layer standard

Demonstrates the use of Orchestra to model the JSON-encoded CAT regulatory reporting protocol

Optimised for LLMs and agents, with full contextual documentation, pedigree and deprecation history

Demonstrates scenario-based modelling of FIX instruments with Orchestra

Order and execution messaging for digital assets over FIX

Orchestra repository for FIX user-defined fields (UDFs), intended to help users discover and reuse existing UDFs when developing FIX implementations and dialects

Demonstrates the use of the TagWire protocol as an alternative encoding to FIX tag-value

Demonstrates deriving an Orchestra repository from a reference repository by using the Group Ticker Plant specification to model LSEG Delayed Market Data

Demonstrates the use of Orchestra to model LSEG's Group Ticker Plant binary market data protocol

Demonstrates the use of Orchestra to model the Nasdaq OUCH binary order-entry protocol