Message Heartbeat (0)

The Heartbeat monitors the status of the communication link and identifies when the last of a string of messages was not received.

Added in protocol FIX.2.7

See in: FIX.4.0, FIX.4.1, FIX.4.3, FIX.4.4, FIX.5.0, FIX.5.0SP1, FIX.5.0SP2, FIX.5.0SP2 EP240, FIXT.1.1.

Field or Component Name Description Is Required Added Is Deprecated
Block StandardHeader MsgType = 0 Y FIX.2.7
112 TestReqID Required when the heartbeat is the result of a Test Request message. FIX.4.0
Block StandardTrailer Y FIX.2.7