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  • FIX 4.4
Timeline
TimeSenderTargetMessage TypeSummary
23:24:06CLIENTFIXDEV
Logon
23:24:06FIXDEVCLIENT
Logon
23:24:37FIXDEVCLIENT
Heartbeat
23:24:37CLIENTFIXDEV
Heartbeat
23:24:42FIXDEVCLIENT
New Order Single
23:24:42CLIENTFIXDEV
Execution Report
23:24:42CLIENTFIXDEV
Execution Report
23:24:55FIXDEVCLIENT
New Order Single
23:24:55CLIENTFIXDEV
Execution Report
23:24:55CLIENTFIXDEV
Execution Report
23:25:12FIXDEVCLIENT
New Order Single
23:25:12CLIENTFIXDEV
Execution Report
23:25:16FIXDEVCLIENT
Order Cancel Request
23:25:16CLIENTFIXDEV
Reject
23:25:25FIXDEVCLIENT
Order Cancel Request
23:25:25CLIENTFIXDEV
Reject
Details
TagNameValueDescription
8
BeginString
9
BodyLength
35
MsgType
34
MsgSeqNum
49
SenderCompID
52
SendingTime
56
TargetCompID
10
CheckSum

Documentation
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1 Test Request

This message requests a Heartbeat <35=0> from the opposing application, to verify it is still responsive. The other application responds with a Heartbeat <35=0> echoing back the given TestReqID (112).

TestReqID (112) ensures that the opposite application has generated the Heartbeat as the result of a specific Test Request and not a normal timeout. The opposite application includes the TestReqID in the resulting Heartbeat. Any string can be used as the TestReqID, but uniqueness is preferable for debugging purposes. Timestamps, sequences, or UUIDs are sensible choices.

Structure

TagNameTypeRequiredDescription
Component
Required
TestReqID
Required
Component
Required
Supported formats

Bring your own spec

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Knowledge Base

FIX Standards

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