Marketplace · API · x402

kronossignals.com/api/v1/options-iv/btc

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.

Endpointhttps://kronossignals.com/api/v1/options-iv/btc
Trust✓ Verified callable · 100% uptime over 1 checks · ~385 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x36038e1d712c5e39f35952164ec58ec2b96caee7
methodGET
last updated2026-10-18T12:01:41.911Z

Use it

Call it (an x402 client pays automatically)

curl -i https://kronossignals.com/api/v1/options-iv/btc
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-c3a30c823eacc80e

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

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