API Documentation

⌘K

API Key

GET/api/1/crypto-extended/open-interest/{symbol}

Crypto Open Interest API

Returns open interest time series for Binance perpetual futures. Tracks the total outstanding contracts for the given crypto pair.

daysnumber

query

Days of history (default 30, max 180)

symbolstringrequired

path

Crypto symbol (e.g. BTC, ETH, BTCUSDT)

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Request

curl -X GET \
  'https://api.eulerpool.com/api/1/crypto-extended/open-interest/BTC' \
  -H 'Accept: application/json'

200 Response

[
  {
  "symbol": "BTCUSDT",
  "timestamp": 1705276800000,
  "open_interest": 52345.67
}
]