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Everything you need to integrate with CryptoHFTData. Explore our API endpoints, Python SDK, and historical data format.
REST API - Open Interest Data
Open interest data shows the total value of outstanding derivative contracts.
GET
/download
Download Open Interest Data
Download hourly open interest data files for futures trading pairs.
Example: Download BTCUSDT Open Interest
Futures Only
Open interest data is only available for futures/derivatives exchanges.