---
title: "Events Historical"
method: GET
path: "/options/order-book-events/{instrument}"
---

# Events Historical

`GET /options/order-book-events/{instrument}`

## Request

- Base URL: `https://api.amberdata.com/markets`
- URL: `https://api.amberdata.com/markets/options/order-book-events/{instrument}`
- Auth: API key in header `x-api-key`

Provides historical order book events for options contracts, detailing bid and ask levels, volumes, and order counts at specific timestamps to track market depth and activity over time across supported exchanges.

## Path parameters

- `instrument` string, required

## Query parameters

- `exchange` string, required
- `startDate` string, date-time
- `endDate` string, date-time
- `timeFormat` string
- `sortDirection` string

## Headers

- `Accept-Encoding` string, required
- `api-version` string

## Response `200`

200

- object

## Changes

- **2026-11-03** `20cba0305b6e`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/amberdata/apis/market-api/changes/options/order-book-events/:instrument/get.md)

---

[API](https://skmtc.dev/amberdata/apis/market-api.md) - [All operations](https://skmtc.dev/amberdata/apis/market-api/llms.txt) - [OpenAPI document](https://skmtc.dev/amberdata/apis/market-api/revisions/20cba0305b6e?raw)