FIX Protocol Tags Reference

All 6,066 fields defined in the FIX protocol from version 4.0 to 5.0 SP2, including the FIXT 1.1 session layer and the 5.0 SP2 extension packs. Open a tag to see its data type, valid values, the FIX versions that define it and the message types that use it. To decode a message, paste it into the FIX parser. Message types are listed in the FIX message reference, and the values and message layouts of a single version are in the FIX dictionary by version.