🔗 REST API - HistoricalNativeIEX
Get Level-3 Order Book
Streaming endpoint. Use limit to cap the number of records returned (default 100, max 10000).
Authorization<token>
API Key is required to access the endpoints
In: header
Path Parameters
symbol*string
The symbol identifier
Query Parameters
date?string
UTC day (YYYY-MM-DD). Optional when time_start includes a calendar day.
Format
date-timetime_start?string
Inclusive start. Full ISO-8601 timestamp, or a UTC time of day when date is set.
limit?integer
Optional cap on the number of records (1-10000). Omit to stream through the end of the day.
Format
int32Response Body
application/json
curl -X GET "https://example.com/v1/native/iex/level3-order-book/string"[ { "add_order": { "symbol": "AAPL", "timestamp_nanos": 1791409736357000000, "timestamp": "2026-10-07T21:48:56.3570000Z", "is_side_buy": true, "size": 100, "price": 176.42, "order_id": 123456789 } }, { "delete_order": { "symbol": "TSLA", "timestamp_nanos": 1791409736357000000, "timestamp": "2026-10-07T21:48:56.3570000Z", "order_id_reference": 987654321 } }, { "modify_order": { "symbol": "NFLX", "timestamp_nanos": 1791409736357000000, "timestamp": "2026-10-07T21:48:56.3570000Z", "order_id_reference": 789456123, "is_priority_reset": false, "size": 150, "price": 625.85 } }, { "executed_order": { "symbol": "META", "timestamp_nanos": 1791409736357000000, "timestamp": "2026-10-07T21:48:56.3570000Z", "order_id_reference": 555123456, "sale_condition_flags": 0, "is_intermarket_sweep": false, "is_extended_hours_trade": false, "is_odd_lot_trade": false, "is_trade_through_exempt": false, "is_single_price_cross_trade": false, "size": 200, "price": 421, "trade_id": 123987456 } }, { "clear_book": { "symbol": "MSFT", "timestamp_nanos": 1791409736357000000, "timestamp": "2026-10-07T21:48:56.3570000Z" } }]