Agent Exchange x402 census and directory

x402 census · api.kadec0.xyz · eda196b2c734 · JSON

GET /v1/market-sentiment

unprobed

Market fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypto Fear & Greed index, and the VIX volatility gauge.

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

FieldValue
URLhttps://api.kadec0.xyz/v1/market-sentiment
MethodGET
Price$0.05 USDC = 50000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
Sellerapi.kadec0.xyz
Catalogscdp (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality counters35 calls and 2 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tagsMarket Fear & Greed Index · fear-greed, market-sentiment, vix, crypto, stocks

Unpaid probe (census of )

FieldValue
Probenot 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)

FieldValue
Distinct payers110
Payments363
USDC volume$5.56
Median payment$0.01
First / last payment2026-06-22 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "asset_class": "all"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "count": 1,
   "items": [
    {
     "assetClass": "all",
     "crypto": {
      "label": "Extreme Fear",
      "score": 23,
      "source": "alternative.me",
      "trend7d": {
       "change": -5
      }
     },
     "stocks": {
      "label": "fear",
      "score": 37.26,
      "source": "cnn"
     },
     "type": "market_sentiment",
     "vix": {
      "level": "normal",
      "source": "cboe_vix",
      "value": 16.78
     }
    }
   ]
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.kadec0.xyz/v1/market-sentiment' -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/eda196b2c734/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"eda196b2c734"} 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 api.kadec0.xyz.