> ## 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

> Retrieves information about supported exchange-pairs for ohlcv.



## OpenAPI

````yaml get /dex/ohlcv/information/
openapi: 3.1.0
info:
  title: Defi API
  version: '2'
servers:
  - url: https://api.amberdata.com/defi
security:
  - sec0: []
paths:
  /dex/ohlcv/information/:
    get:
      summary: Information
      description: Retrieves information about supported exchange-pairs for ohlcv.
      operationId: defi-ohlcv-information
      parameters:
        - name: exchange
          in: query
          description: >-
            Only return data for the specified exchange(s) (comma separated).
            Example: uniswapv3
          schema:
            type: string
        - name: timeFormat
          in: query
          description: >-
            **[Optional]** Time format of the timestamps in the return
            payload.<BR/>**[Defaults]** `milliseconds | ms | iso | iso8601* | hr
            | human_readable`
          schema:
            type: string
        - name: size
          in: query
          description: The number of records per page.
          schema:
            type: integer
            format: int32
            default: 100
        - name: api-version
          in: header
          description: Desired Endpoint Version
          schema:
            type: string
            enum:
              - '2023-09-30'
            default: '2023-09-30'
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                type: object
                properties:
                  description:
                    type: string
                    example: Successful request
                  payload:
                    type: object
                    properties:
                      data:
                        type: object
                        properties:
                          uniswapv3:
                            type: object
                            properties:
                              BCZ_WETH:
                                type: object
                                properties:
                                  address:
                                    type: string
                                    example: '0x0001fcbba8eb491c3ccfeddc5a5caba1a98c4c28'
                                  baseAddress:
                                    type: string
                                    example: '0xbef81556ef066ec840a540595c8d12f516b6378f'
                                  baseDecimals:
                                    type: string
                                    example: '18'
                                  baseName:
                                    type: string
                                    example: BinanceCZ
                                  baseSymbol:
                                    type: string
                                    example: BCZ
                                  blockchainId:
                                    type: string
                                    example: 1c9c969065fcd1cf
                                  endDate:
                                    type: string
                                    example: '2021-07-17T00:00:00Z'
                                  pairName:
                                    type: string
                                    example: BCZ_WETH
                                  poolFees:
                                    type: string
                                    example: '0.01'
                                  quoteAddress:
                                    type: string
                                    example: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2'
                                  quoteDecimals:
                                    type: string
                                    example: '18'
                                  quoteName:
                                    type: string
                                    example: Wrapped Ether
                                  quoteSymbol:
                                    type: string
                                    example: WETH
                                  startDate:
                                    type: string
                                    example: '2021-07-17T00:00:00Z'
                      metadata:
                        type: object
                        properties:
                          next:
                            type: string
                            example: >-
                              https://api.amberdata.com/defi/dex/ohlcv/information?cursor=H4sIAAAAAAAA_0qtSM5IzEtPtS3NyywuTywoM1YrycxNdcsvyk0ssc0szlfLT0srTi2xNVUrzqxKtTUFBAAA___rFeOJMQAAAA==
                  status:
                    type: integer
                    example: 200
                    default: 0
                  title:
                    type: string
                    example: OK
      deprecated: false
components:
  securitySchemes:
    sec0:
      type: apiKey
      in: header
      x-default: API_KEY
      name: x-api-key

````