x402 census · kronossignals.com · c400213d942a · JSON
GET /api/v1/cex-premium/btc
unprobed
Coinbase price premium vs composite spot median (OKX + Kraken + Binance). premium_pct = (coinbase / composite_median − 1) × 100. Positive = US/institutional demand skew; negative = global selling pressure. Covers BTC/ETH/SOL/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/BCH/ATOM/NEAR (assets listed on Coinbase). Point-in-time only — no historical baseline stored. $0.02 USDC per call via x402.
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/cex-premium/btc |
| Method | GET |
| Price | $0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x36038e1d712c5e39f35952164ec58ec2b96caee7 |
| Seller | kronossignals.com |
| Catalogs | cdp (row updated 2026-09-24) |
| Listed since (lower bound) | 2026-09-24 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-24 |
| CDP quality counters | 5 calls and 4 unique payers in 30 days, last call 2026-09-24 (catalog-reported, not verified on chain) |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Kronos Crypto Data & Forecasts · cex-premium, coinbase-premium, cross-exchange, divergence, spot |
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": 819
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://kronossignals.com/api/v1/cex-premium/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/c400213d942a/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c400213d942a"} 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.