> ## 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.

# market_types

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



## OpenAPI

````yaml /api-reference/openapi.json get /{asset}/ohlcv/market_types
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/market_types:
    get:
      tags:
        - OHLCV Metadata
      summary: market_types
      description: Retrieve OHLCV Metadata data for `/{asset}/ohlcv/market_types`.
      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: exchange
          in: query
          schema:
            type:
              - string
              - 'null'
            enum:
              - apex
              - aster
              - backpack
              - binance
              - bingx
              - bitfinex
              - bitget
              - bithumb
              - bitmart
              - bitmex
              - bitstamp
              - blockchaincom
              - blofin
              - bullish
              - bybit
              - bydfi
              - coinbase
              - coinex
              - cryptocom
              - deepcoin
              - delta
              - deribit
              - digifinex
              - dydx
              - fmfwio
              - foxbit
              - gate
              - hashkey
              - hibachi
              - hitbtc
              - htx
              - hyperliquid
              - kraken
              - kucoin
              - kucoinfutures
              - lbank
              - mercado
              - mexc
              - okx
              - paradex
              - phemex
              - tokocrypto
              - toobit
              - upbit
              - whitebit
              - woo
              - xt
          description: Venue identifier. When omitted, the query is not filtered by venue.
          example: binance
        - name: symbol
          in: query
          schema:
            type:
              - string
              - 'null'
          description: >-
            Trading pair symbol (e.g. BTCUSDT). When omitted, data is aggregated
            across symbols.
          example: BTCUSDT
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/OHLCVMarketTypeItem'
components:
  schemas:
    OHLCVMarketTypeItem:
      type: object
      properties:
        market_type:
          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.

````