Agent Exchange x402 census and directory

x402 census · kronossignals.com · dfa3017bff7a · JSON

GET /api/v1/signals/btc

live

Real-time crypto derivatives signals for BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT/HYPE-USD: perpetual futures funding rate (raw + annualized), next_funding_time, funding_interval_hours, open interest and 1h change, basis (perp vs index), funding-rate trend. Live data from OKX perpetuals via Kronos market_signals. Pay-per-call via x402.

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

FieldValue
URLhttps://kronossignals.com/api/v1/signals/btc
MethodGET
Price$0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x36038e1d712c5e39f35952164ec58ec2b96caee7
Sellerkronossignals.com
Catalogscdp (row updated 2026-09-29)
Listed since (lower bound)2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-29
CDP quality counters30 calls and 9 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)
Category (keyword rule)trading-signals
Templated pathno
x402Version in catalog2
Service name / tagsKronos Crypto Data & Forecasts · crypto, derivatives, perpetuals, funding-rate, open-interest

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:12:39.946Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader+body
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"20000","payTo":"0x36038e1d712c5e39f35952164ec58ec2b96caee7","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payToyes
extensions.bazaar in the 402yes
PAYMENT-REQUIRED headeryes
WWW-Authenticate offernone
Content type / server / CORSapplication/json / Vercel / *
Latency2,711 ms
ErrorPayment required

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)

FieldValue
Distinct payers47
Payments111
USDC volume$3.08
Median payment$0.02
First / last payment2026-07-03 / 2026-09-30
Sampler-shaped share of payments99.1%
Payers that are not samplers1
Sourceforensics-2026-09-30
Address0x36038e1d712c5e39f35952164ec58ec2b96caee7

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {},
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 822
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://kronossignals.com/api/v1/signals/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/dfa3017bff7a/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"dfa3017bff7a"} 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.