CME Smart Stream Websockets - Heartbeat



Contents

Output - Heartbeat

Unsolicited message sent from the server on a periodic basis.

Fields

Ref

Field

Name

Data Type

Values

Usage

Description

Ref

Field

Name

Data Type

Values

Usage

Description

1

header



2

→ messageType

Message Type

string

  • HEARTBEAT (Heartbeat)

ALWAYS

Denotes trade summary message.

3

→ sentTime

Sent Timestamp

timestamp



ALWAYS

CME MDP gateway sends the message (UTC).

4

→ sequenceNumber

sequenceNumber

string



ALWAYS



5

→ version

API Version

string

  • 1.0 (1.0)

ALWAYS






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