New: Stream Prices over Server-Sent Events

Crypto Futures API

Open interest, funding rates, mark and index prices, volume and OHLCV for perpetual futures, by coin, market and exchange. Same UUIDs as spot. Professional plan, 30-day free trial.

30 days free, then $199 a month. Card required, cancel any time.

$199/month · 30-day free trial · https://api.coinranking.com/v2/futures/coins

curl
# Coins with futures markets, ranked by open interest
curl 'https://api.coinranking.com/v2/futures/coins?limit=20' \
  -H 'x-access-token: YOUR_KEY'

# Every futures market, with mark price, index price and funding rate
curl 'https://api.coinranking.com/v2/futures/markets?orderBy=openInterest&limit=50' \
  -H 'x-access-token: YOUR_KEY'

# Bitcoin futures: hourly candles
curl 'https://api.coinranking.com/v2/futures/coin/Qwsogvtv82FCd/ohlcv?interval=hour&limit=168' \
  -H 'x-access-token: YOUR_KEY'

Coins, Markets and Exchanges, Each with Open Interest

The same coin → market → exchange shape as the spot API.

The Fields a Derivatives Desk Asks For

Named plainly, converted to your reference currency.

Fields on a Coinranking futures market
MeaningAlso on
openInterestValue of open contracts, in the reference currency, with openInterestChange as a percentageCoin, exchange, market-wide stats
fundingRateThe periodic payment between longs and shorts, with fundingIntervalHours (typically 8)Coin, market-wide average
markPrice · indexPriceMark price and index price per market, alongside the last traded priceMarket
price · 24hVolume · minuteVolumeLast traded price and traded volume over 24 hours and the last minuteCoin (24h), exchange
marketShare · rankMarket share and rank within futures; lists are ordered by open interest by defaultCoin, exchange

What Developers Build on the Futures API

Open interest and funding are the two figures spot data cannot give you.

Funding Screeners

Order coins by funding rate in either direction. Extreme funding, one request.

Open Interest Dashboards

Market-wide totals plus per-coin change, next to spot price and volume from the same key.

Basis Alerts

Mark minus index per market, polled once a minute, alert on a threshold.

Exchange Comparison

Which venue holds the open interest for a coin, and at what funding.

Futures Data by Plan

All ten futures endpoints need the Professional plan.

Coinranking API plans and what each includes for this feature
Free · $0Startup · $49/moProfessional · $199/mo
Price$0$49$199
Futures coins, markets, exchangesIncluded
Futures OHLCVMinute, hour, day
Spot OHLCV and indicatorsIncluded
Free trial30 days30 days

30-day free trial on Professional. Compare every plan.

Futures Questions

Get the Futures Data

Funding rates, open interest and futures candles on a 30-day Professional trial.

30 days free, then $199 a month. Card required, cancel any time.

    Crypto Futures API: Open Interest and Funding | Coinranking