Discover / derivs.duoleads.com
Futures Basis & Perp Premium
■ Challenge detectedFutures basis and term structure of one coin: dated futures on Bybit, Deribit, Kraken, Gate and OKX with days to expiry, basis vs index and annualised basis (contango or backwardation, the carry), the perp premium (mark vs index/oracle) on Hyperliquid, dYdX, Bitfinex and the others, and predicted funding. Crypto futures basis for BTC, ETH and more. Data only. Bad input is free; under 2 venues not charged.
- Listed price
- $0.003
- Challenge detected
- 2 of the last 2 checks
- Median response
- 177 ms
- Last checked
- 16 Oct, 13:59 UTC
- In our index since
- 15 Oct 2026
Endpoint
curl -i https://derivs.duoleads.com/v1/basis # 402 Payment Required: pay with an x402 client (USDC on Base), # then send the same request again with the payment attached.
10 listed endpoints · on x402 Bazaar
Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.
Base URLhttps:
- GET/open-interest$0.003Open interest (OI) of one coin's perpetual futures by exchange: Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX. Per venue OI in coins and USD and its share, the total, and the OI change over 1h, 4h and 24h from the venues' own history. Perp open interest and futures open interest for BTC, ETH, SOL and more. Data only. Bad input is free; under 3 venues not charged.
- GET/derivatives-snapshot$0.005Crypto derivatives snapshot of one coin in one call: perp funding rates per exchange with predicted funding, open interest (OI) per venue, perp premium and the nearest futures basis, 24h liquidations and the long/short ratio. Venues: Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX. The derivatives data bundle for trading agents on BTC, ETH, SOL and more. Data only. Bad input is free; under 3 venues not charged.
- GET/funding-arbitrage$0.005Funding arbitrage scanner across 8 exchanges (Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX): for every coin the widest cross-venue perp funding spread, the long and short venue, both funding rates, gross and fee-adjusted net APR and breakeven days, with a 24h volume liquidity filter. Funding rate arbitrage, basis trade and carry screening of perpetual swaps. Data only, no advice. Bad input is free; under 3 venues not charged.
- GET/orderbook$0.003Order book depth of one coin's perpetual on Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit and OKX: best bid/ask, spread in bps, market depth in USD within 0.1/0.5/1/2% of mid, bid/ask imbalance, estimated slippage for your order size and the largest resting orders (walls). L2 orderbook liquidity for BTC, ETH, SOL and more. Data only. Bad input is free; under 2 venues not charged.
- GET/options$0.003Implied volatility (IV) of crypto options per expiry from Deribit, Bybit and OKX: ATM IV, 25-delta skew, put/call open interest ratio, max pain and Deribit's DVOL index; with an expiry, the options chain per strike with the greeks as each venue publishes them. Volatility surface inputs for BTC and ETH options. Data only. Bad input is free; nothing is charged when no venue answers.
- GET/basis$0.003Futures basis and term structure of one coin: dated futures on Bybit, Deribit, Kraken, Gate and OKX with days to expiry, basis vs index and annualised basis (contango or backwardation, the carry), the perp premium (mark vs index/oracle) on Hyperliquid, dYdX, Bitfinex and the others, and predicted funding. Crypto futures basis for BTC, ETH and more. Data only. Bad input is free; under 2 venues not charged.
- GET/funding-history$0.003Funding rate history of one coin on one exchange (Bybit, Hyperliquid, dYdX, Gate, Kraken, Deribit or OKX), up to 30 days: every past funding print with interval, 8h rate and APR, plus avg/min/max/% positive and the window covered. Historical perpetual swap funding for backtests and carry studies on BTC, ETH, SOL and more. Data only. Bad input is free; a venue that fails is not charged.
- GET/perp-screener$0.005Perp screener for all coins: every perpetual future on Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit and OKX in one call, sorted by funding rate (APR), open interest (OI), 24h volume or 24h change, with the highest and lowest funding views. A funding screener and perpetuals market ranking for BTC, ETH, SOL and hundreds of altcoins. Data only. Bad input is free; under 3 venues not charged.
- GET/funding-rates$0.003Funding rates for perpetual futures (perp funding) of one coin across 8 exchanges: Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX. Per venue the current funding rate, interval, 8h rate, APR, next funding time, mark and index; predicted funding incl. Binance and Bybit (via Hyperliquid); the last 24 hourly prints with avg/min/max/% positive. Perpetual swap funding for BTC, ETH, SOL and more. Data only. Bad input is free; under 3 venues not charged.
- GET/liquidations$0.003Liquidations of one coin's perpetual futures: recent forced liquidations from the Gate, Bitfinex, dYdX, Deribit and OKX public feeds, long and short liquidations in USD per venue, the totals and the largest events over 1-24h. Liquidation data for BTC, ETH, SOL and more; Bybit, Hyperliquid and Kraken are listed as not covered (WebSocket only). Data only. Bad input is free; under 2 feeds not charged.
A dash means the listing gives no price or method. Copy buttons copy the full URL.
Showing 10 of 10 listed endpoints.
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/derivs.duoleads.com
Recent checks
All 2 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 16 Oct, 13:59 UTC | Challenge detected | 402 | 289ms |
| 15 Oct, 04:47 UTC | Challenge detected | 402 | 65ms |
Questions
Did our last probe detect a payment challenge?
At our last probe on 16 Oct, 13:59 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.
What price is recorded for Futures Basis & Perp Premium?
Its listed price is $0.003.
What payment terms does Futures Basis & Perp Premium advertise?
The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.
Where is Futures Basis & Perp Premium listed?
In x402 Bazaar. Superstables first indexed it on 15 Oct 2026.
Something wrong on this page? Tell us.