Skip to main content
FIXsession: market-data35=B
News messages are disseminated for upcoming maintenance or emergency events when a subscription is requested through the Trading Session Status Request (/exchange/api-reference/unified-fix/tssr).
​
required
35=B
​
UTCTimestamp
required
Event emission time
​
integer
required
Possible values:
  • 0 : Scheduled maintenance
  • 1 : Emergency
​
string
required
event.title OR Emergency: <incident_status>
​
string
Status page link
​
string
SExpected end of the maintenance window
​
integer
required
Always 1
​
string
required
Full advisory text
​
string
required
Unique identifier of the news message
​
integer
required
Always “3 - Technical New”
​
string
When present, points at the NewsID of the previous message for the same logical event. Used for phase transitions and event closure.
​
integer
0 (Replacement) — the newer message supersedes the referenced one
​
sring
required
Possible values:
  • announced | reminder_24h | approaching_30mimminent_5m | final_warning_30s | cancelled (maintenance);
  • investigating | identified | monitoring | resolved (emergency)
​
string
required
Possible values:
  • spot_fix
  • spot_ws
  • spot_rest,futures_fix
  • futures_rest
  • futures_ws
​
UTCTime
Maintenance Only. Window start time.
​
UTCTime
Maintenance Only. Window stendart time.
​
UTCTime
Maintenance Only. Pre-window marker
​
string
Maintenance Only. Client Action. Possible values:
  • continue
  • reduce_activity
  • cancel_open_orders
  • stop_new_orders
  • disconnect_and_wait
​
string
Maintenance Only. Trading advisability Possible values:
  • allowed
  • discouraged
  • blocked
​
integer
Maintenance Only. Seconds to start.
​
string
Emergency Only. Expected next state. Possible values:
  • expected_restart
  • expected_cancel_only
  • expected_post_only
  • expected_online
​
UTCTime
Emergency Only. Next steps.
​
string
Emergency Only.
​
required