CoinAPI Market Data API

aid: coinapi:market-data-api
name: CoinAPI Market Data API
tags:
- Crypto Metrics
- Cryptocurrency
- Exchange Rates
- FIX
- Market Data
- OHLCV
- Order Books
- REST
- WebSocket
image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
baseURL: https://rest.coinapi.io
humanURL: https://www.coinapi.io/products/market-data-api
properties:
- url: https://docs.coinapi.io/market-data/
  type: Documentation
- url: https://www.coinapi.io/products/market-data-api
  type: Landing Page
- url: https://www.coinapi.io/products/market-data-api/faq
  type: FAQ
- url: https://www.coinapi.io/products/market-data-api/docs/fix
  type: FIX Documentation
description: Normalized cryptocurrency market data covering more than 350 exchanges and 28,000+ assets.
  Provides trades, quotes, order books, OHLCV time series, exchange rates, and derivatives metrics (funding
  rates, mark prices, liquidations, open interest, volumes). Delivered through REST for historical snapshots
  and lookups, WebSocket and FIX for real-time streaming, and S3 flat files for bulk historical analysis.
x-features:
- REST, WebSocket, and FIX delivery channels
- S3 flat-file delivery for historical bulk data
- Normalized symbol IDs across all exchanges
- 350+ supported exchanges and 28,000+ assets
- Derivatives metrics (funding, mark prices, OI, liquidations)
- GeoDNS-routed FIX endpoints (fix.coinapi.io)
- API-key authentication via X-CoinAPI-Key header
x-use-cases:
- Power trading dashboards with live order book data
- Backtest strategies against full historical OHLCV
- Compute reference rates from cross-exchange quotes
- Monitor derivatives exposure (funding, OI) in real time
- Feed BI/data lakes via daily S3 flat-file drops