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FIX Adapter Reference Documentation

About session-level messages


Session-level messages communicate the state of the connection between a FIX client and a TT FIX Adapter.

Supported Messages

The following table describes the session-level FIX messages that TT FIX Adapter currently supports.

Heartbeat (0)Used to verify communication with TT FIX Adapter
Test Request (1)Used to request a heartbeat
Resend Request (2)Used to request a resend of a range of messages
Session-Level Reject (3)Used to return the reason for rejecting an incoming message
Sequence Reset (4)Used to reset the message sequence number or gap fill
Logon (A)Used to terminate a connection between a FIX client and the TT FIX Adapter
Logon (A)Used to establish a connection between a FIX client and the TT FIX Adapter

FIX messages and configuration types

The following table shows the FIX messages that each type of TT FIX Adapter configuration can exchange with FIX clients.

Use caseDrop CopyOrder Routing
Session typePriceOrderPriceOrder
Heartbeat (0)YesYesYesYes
Test Request (1)YesYesYesYes
Resend Request (2)YesYesYesYes
Session-Level Reject (3)YesYesYesYes
Sequence Reset (4)YesYesYesYes
Logon (A)YesYesYesYes
Logon (A)YesYesYesYes