Discover / derivatives.x402tookit.com

Perp Derivatives Signals

■ Challenge detected

Most extreme perp funding right now across Hyperliquid, filtered by open interest. Top crowded longs and shorts.

Listed price
$0.02
Challenge detected
1 of the last check
Median response
656 ms
Last checked
21 Oct, 00:26 UTC
In our index since
21 Oct 2026

Endpoint

curl -i https://derivatives.x402tookit.com/funding-extremes
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
11 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://derivatives.x402tookit.com

  • GET/open-interestNo price listedPerp open interest in USD, OI-to-volume ratio and rank on Hyperliquid. Flags leveraged build-up.
  • GET/funding-historyNo price listedFunding persistence for a perp over the last 6-168 hours: average, sign streaks, and how unusual now is.
  • GET/perp-volatilityNo price listedRealized volatility for a perp from hourly candles over 24-168 hours, annualized, with a high/low verdict.
  • GET/funding-spreadNo price listedCross-venue funding gap for a perp: Hyperliquid vs Binance vs Bybit, normalized per hour and annualized.
  • GET/perp-basisNo price listedPerp premium to oracle price for a coin on Hyperliquid, in percent, with a stretched/normal verdict.
  • GET/squeeze-watchNo price listedSqueeze risk for a perp: funding, open interest build-up, 24h move and basis combined into a published points score.
  • GET/perp-listingNo price listedIs a coin a live Hyperliquid perp? Listed, delisted or isolated-only, with max leverage and size precision.
  • GET/perp-snapshotNo price listedOne-call perp snapshot on Hyperliquid: price, 24h move, funding, open interest, volume and max leverage with flags.
  • GET/perp-fundingNo price listedIs perp funding crowded? Current Hyperliquid funding for a coin, annualized, with a crowded long/short verdict.
  • GET/perp-liquidityNo price listedPerp order-book depth and market-order slippage for $10k and $100k on Hyperliquid, with a thin/deep verdict.
  • GET/funding-extremesNo price listedMost extreme perp funding right now across Hyperliquid, filtered by open interest. Top crowded longs and shorts.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 11 of 11 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/derivatives.x402tookit.com

Recent checks

21 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.21 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
21 Oct, 00:26 UTCChallenge detected402656ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 21 Oct, 00:26 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 Perp Derivatives Signals?

Its listed price is $0.02.

What payment terms does Perp Derivatives Signals advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Perp Derivatives Signals listed?

In x402 Bazaar. Superstables first indexed it on 21 Oct 2026.

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