x402 census · kronossignals.com · 4939eb8e0d96 · JSON
GET /api/v1/options-iv/btc
unprobed
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 …
Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://kronossignals.com/api/v1/options-iv/btc |
| Method | GET |
| Price | $0.03 USDC = 30000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x36038e1d712c5e39f35952164ec58ec2b96caee7 |
| Seller | kronossignals.com |
| Catalogs | cdp (row updated 2026-09-20) |
| Listed since (lower bound) | 2026-09-20 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-20 |
| CDP quality counters | 9 calls and 6 unique payers in 30 days, last call 2026-09-20 (catalog-reported, not verified on chain) |
| Category (keyword rule) | other/unknown |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Kronos Crypto Data & Forecasts · options, implied-volatility, iv, iv-rank, iv-percentile |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 47 |
| Payments | 111 |
| USDC volume | $3.08 |
| Median payment | $0.02 |
| First / last payment | 2026-07-03 / 2026-09-30 |
| Sampler-shaped share of payments | 99.1% |
| Payers that are not samplers | 1 |
| Source | forensics-2026-09-30 |
| Address | 0x36038e1d712c5e39f35952164ec58ec2b96caee7 |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"pathParams": {},
"queryParams": {},
"type": "http"
},
"output": {
"type": "json",
"example_truncated": true,
"chars": 873
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://kronossignals.com/api/v1/options-iv/btc' -H 'accept: application/json'
The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/4939eb8e0d96/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"4939eb8e0d96"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on kronossignals.com.