DocumentationAPI endpoints, Python SDK, and historical data format

REST API - Mark Price Data

Mark price data contains funding rates and mark price calculations for futures contracts.

GET

/download

Download Mark Price Data

Download hourly mark price data files for futures trading pairs.

Example: Download BTCUSDT Mark Price

bash

curl "https://api.cryptohftdata.com/download?file=binance_futures/2025-08-01/20/BTCUSDT_mark_price.parquet.zst&api_key=your-api-key-here" \
  -o BTCUSDT_mark_price_20.parquet.zst

Futures Only

Mark price data is only available for futures/derivatives exchanges.