{
  "id": "api:x402-c3a30c823eacc80e",
  "kind": "api",
  "name": "kronossignals.com/api/v1/options-iv/btc",
  "description": "Implied volatility surface for BTC and ETH from Deribit options (public API, no auth). Returns ATM IV (annualized %), IV rank and IV percentile from Kronos iv_history (daily cron), term structure (weekly/1m/3m ATM IV + contango/backwardation/flat shape label), 25-delta risk reversal (BS-approximated strikes), 10-delta wing IVs, max-pain strike across top-5 expiries, and a vol-regime label. Falls back to OKX if Deribit is unreachable. $0.03 USDC via x402.",
  "category": "x402",
  "url": "https://kronossignals.com/api/v1/options-iv/btc",
  "price": null,
  "x402": true,
  "meta": {
    "network": "eip155:8453",
    "scheme": "exact",
    "pay_to": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
    "method": "GET",
    "last_updated": "2026-10-18T12:01:41.911Z"
  },
  "trust": {
    "verified": true,
    "uptime_pct": 100,
    "latency_ms": 385,
    "checks": 1
  }
}