Get System Events
GET/v1/native/iex/admin/system-event
Get System Events
Request
Query Parameters
Date in format YYYY-MM-DD
Responses
- 200
successful operation
- application/json
- Schema
- Example (from schema)
Schema
Array [
]
Original timestamp in nanoseconds since epoch
Time when the system event was recorded as DateTime
System event as byte value
System event as string
Human-readable description of the system event
Indicates if the system event is 'Start of Messages' (O). Outside of heartbeat messages on the lower level protocol, the start of day message is the first message sent in any trading session.
Indicates if the system event is 'Start of System Hours' (S). This message indicates that IEX is open and ready to start accepting orders.
Indicates if the system event is 'Start of Regular Market Hours' (R). This message indicates that DAY and GTX orders, as well as market orders and pegged orders, are available for execution on IEX.
Indicates if the system event is 'End of Regular Market Hours' (M). This message indicates that DAY orders, market orders, and pegged orders are no longer accepted by IEX.
Indicates if the system event is 'End of System Hours' (E). This message indicates that IEX is now closed and will not accept any new orders during this trading session. It is still possible to receive messages after the end of day.
Indicates if the system event is 'End of Messages' (C). This is always the last message sent in any trading session.
[
{
"timestamp_nanos": 0,
"timestamp": "2025-04-29T06:11:29.403Z",
"system_event": 0,
"system_event_code": "string",
"system_event_text": "string",
"is_system_event_start_of_messages": true,
"is_system_event_start_of_system_hours": true,
"is_system_event_start_of_regular_market_hours": true,
"is_system_event_end_of_regular_market_hours": true,
"is_system_event_end_of_system_hours": true,
"is_system_event_end_of_messages": true
}
]