Heartbeats for FIX on the Zero Hash CLOB.
This section indicates the message intended to monitor the status of the communications link during periods of inactivity.
The FIX market data accepts and generates Heartbeat messages as per the FIX specification.
- Inbound: Handled as specified
- Outbound: In response to a test request or timeout.
- Response: None
The heartbeat message should be sent if agreed upon Heartbeatinterval has elapsed since the last message sent.
| Tag | Field Name | Required | Note |
|---|---|---|---|
| 8 | BeginString | Yes | Must be set to FIXT.1.1 |
| 9 | BodyLength | Yes | Message length in bytes up to the checksum field |
| 35 | MsgType | Yes | Must be set to 0 (Heartbeat) |
| 49 | SenderCompID | Yes | Provided by Zero Hash |
| 56 | TargetCompID | Yes | Static value for all sessions. ZERO |
| 34 | MsgSeqNum | Yes | Monotonically increasing sequence number. |
| 52 | SendingTime | Yes | UTC time that the order was sent down to nanosecond resolution. |
| 10 | CheckSum | Yes | Three byte checksum calculated by summing every byte in the message up to and not including the checksum field itself. |