Heartbeat

CHANNEL
wss://futures.kraken.com/ws/v1
heartbeat

The heartbeat feed publishes a heartbeat message at timed intervals.

Request

Request Fields

MESSAGE BODY

event string required

subscribe or unsubscribe

feed string required

The requested subscription feed heartbeat

Example

{
  "event": "subscribe",
  "feed": "heartbeat"
}

Response Success

Response Fields

MESSAGE BODY

event string

The result, subscribed or subscribed_failed or unsubscribed or unsubscribed_failed

feed string

The requested subscription feed heartbeat

Successful

{
  "event": "subscribed",
  "feed": "heartbeat"
}

Response Snapshot

Response Fields

MESSAGE BODY

feed string

The subscribed feeds

time positive integer

The UTC time of the server in milliseconds

Subscription Data

{
  "feed": "heartbeat",
  "time": 1534262350627
}

Response Error

Response Fields

MESSAGE BODY

event string

Always error

message string

An error message out of:
Invalid feed
Json Error

Example Error

{
  "event": "error",
  "message": "Json Error"
}