> ## 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.

# Information

> Provides available date ranges for order book snapshot data on futures instruments across exchanges, including start and end timestamps for each instrument.



## OpenAPI

````yaml get /futures/order-book-snapshots/information
openapi: 3.1.0
info:
  title: market-api
  version: '2'
servers:
  - url: https://api.amberdata.com/markets
security:
  - ApiKeyAuth: []
paths:
  /futures/order-book-snapshots/information:
    get:
      summary: Information
      description: >-
        Provides available date ranges for order book snapshot data on futures
        instruments across exchanges, including start and end timestamps for
        each instrument.
      operationId: futures-order-books-information
      parameters:
        - name: exchange
          in: query
          description: >-
            The exchange(s) for which to retrieve futures order book data.
            Example: exchange=bitfinex,bitstamp
          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.
          schema:
            type: boolean
            default: false
        - name: timeFormat
          in: query
          description: '**[Optional]** Time format of the timestamps in the return payload.'
          schema:
            type: string
            enum:
              - milliseconds
              - ms*
              - iso
              - iso8601
              - hr
              - human_readable
            default: hr
        - 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/markets/futures/order-book-snapshots/information?cursor=N4IglgdgxgNgrgEwKYEkIEMoBcwDckgBcAZujAM5IA0408yAqhOXAA6sD2ATlkggKIAPKAAt0EAOZJyRUhWogcAWyQAxbkvRYiIJWBgwwlKBwgIZNYhq06AVuVMgardFKIBGGuTAAvAoQBWAAYggF8gA
                        api-version: '2023-09-30'
                      data:
                        - exchange: binance
                          instrument: 1000BONKUSDC
                          startDate: 1714635300000
                          endDate: 1717604340194
                        - exchange: binance
                          instrument: 1000BONKUSDT
                          startDate: 1700662020000
                          endDate: 1717604340185
                        - exchange: binance
                          instrument: 1000FLOKIUSDT
                          startDate: 1683390900000
                          endDate: 1717604340574
              schema:
                type: object
                properties:
                  status:
                    type: integer
                  title:
                    type: string
                  description:
                    type: string
                  payload:
                    type: object
                    properties:
                      metadata:
                        type: object
                        properties:
                          next:
                            type: string
                          api-version:
                            type: string
                      data:
                        type: array
                        items:
                          type: object
                          properties:
                            exchange:
                              type: string
                            instrument:
                              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

````