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

# exchanges

> Retrieve OHLCV Metadata data for `/{asset}/ohlcv/exchanges`.



## OpenAPI

````yaml /api-reference/openapi.json get /{asset}/ohlcv/exchanges
openapi: 3.1.1
info:
  title: Alphractal API
  version: 0.3.0
  description: >-
    Alphractal API provides comprehensive cryptocurrency on-chain data including
    mining metrics, address analytics, block information, fee data, market
    indicators, supply metrics, exchange flows, and more.
servers:
  - url: https://api.alphractal.com
    description: Production server
security:
  - ApiKeyAuth: []
paths:
  /{asset}/ohlcv/exchanges:
    get:
      tags:
        - OHLCV Metadata
      summary: exchanges
      description: Retrieve OHLCV Metadata data for `/{asset}/ohlcv/exchanges`.
      parameters:
        - name: asset
          in: path
          required: true
          schema:
            type:
              - string
              - 'null'
          description: >-
            Cryptocurrency asset identifier (e.g. btc, eth, ada). Use lowercase
            ticker symbol.
          example: btc
        - name: market_type
          in: query
          schema:
            type:
              - string
              - 'null'
            enum:
              - future
              - spot
              - swap
          description: >-
            Optional market_type filter (spot, swap, futures). Omit or 'all' for
            no filter.
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/OHLCVExchangeItem'
components:
  schemas:
    OHLCVExchangeItem:
      type: object
      properties:
        exchange:
          type:
            - string
            - 'null'
      additionalProperties: false
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Api-Key
      description: >-
        API Key authentication. Include your API key in the X-Api-Key header for
        all requests.

````