> ## Documentation Index
> Fetch the complete documentation index at: https://docs.amberdata.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Snapshots Information

> Provides availability details for options order book snapshots, including contract symbols, underlying assets, and data coverage periods across supported exchanges to support historical market depth analysis.



## OpenAPI

````yaml get /options/order-book-snapshots/information
openapi: 3.1.0
info:
  title: market-api
  version: '2'
servers:
  - url: https://api.amberdata.com/markets
security:
  - ApiKeyAuth: []
paths:
  /options/order-book-snapshots/information:
    get:
      summary: Snapshots Information
      description: >-
        Provides availability details for options order book snapshots,
        including contract symbols, underlying assets, and data coverage periods
        across supported exchanges to support historical market depth analysis.
      operationId: options-order-book-snapshots-information
      parameters:
        - name: exchange
          in: query
          description: >-
            **[Optional]** The exchange(s) for which to retrieve the most
            current data (comma separated). **[Default]** All available
            exchanges.
          schema:
            type: string
        - name: instrument
          in: query
          description: Only return data for the given pair.
          schema:
            type: string
        - name: includeInactive
          in: query
          description: >-
            **[Optional]** If true, endpoint returns all instruments, including
            delisted ones. **[Defaults]** `True | False*`.
          schema:
            type: boolean
        - name: timeFormat
          in: query
          description: >-
            **[Optional]** Time format of the timestamps in the return payload.
            **[Defaults]** `milliseconds | ms* | iso | iso8601 | hr |
            human_readable`
          schema:
            type: string
        - name: Accept-Encoding
          in: header
          required: true
          description: ''
          schema:
            type: string
            default: gzip, deflate, br
        - name: api-version
          in: header
          schema:
            type: string
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value:
                    status: 200
                    title: OK
                    description: Successful request
                    payload:
                      metadata:
                        next: >-
                          https://api.amberdata.com/market/options/order-book-snapshots/information?cursor=N4IglgdgxgNgrgEwKYEkIEMoBcwDckgBcAZujAM5IA0IOAtkgGID2ATnelkSHWDDGEpRmEBORA1ibDl0IgAVuRESQAB3QBzAoQCMNcmABe2nQAZzAXyA
                      data:
                        - exchange: deribit
                          instrument: BTC-10MAR23-12000-C
                          startDate: 1676593260000
                          endDate: 1677742980000
                          underlying: BTC-10MAR23
                        - exchange: deribit
                          instrument: BTC-10MAR23-12000-P
                          startDate: 1676593260000
                          endDate: 1677742980000
                          underlying: BTC-10MAR23
              schema:
                type: object
                properties:
                  status:
                    type: integer
                  title:
                    type: string
                  description:
                    type: string
                  payload:
                    type: object
                    properties:
                      metadata:
                        type: object
                        properties:
                          next:
                            type: string
                      data:
                        type: array
                        items:
                          type: object
                          properties:
                            exchange:
                              type: string
                            instrument:
                              type: string
                            underlying:
                              type: string
                            startDate:
                              type: integer
                            endDate:
                              type: integer
        '400':
          description: '400'
          content:
            application/json:
              examples:
                Result:
                  value: '{}'
              schema:
                type: object
                properties: {}
      deprecated: false
      security:
        - ApiKeyAuth: []
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````