Agent Exchange x402 census and directory

x402 census · api.kadec0.xyz · e0bcd1195953 · JSON

GET /v1/usgs-quakes

unprobed

Real-time earthquake feed. Recent seismic events from USGS with magnitude, location, depth, and tsunami flag, filterable by magnitude, time, and radius.

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/usgs-quakes
MethodGET
Price$0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
Sellerapi.kadec0.xyz
Catalogscdp (row updated 2026-09-08)
Listed since (lower bound)2026-09-08 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-08
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-08 (catalog-reported, not verified on chain)
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsUSGS Earthquake Feed · usgs, earthquakes, seismology, geological, government

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": {
   "minmagnitude": "4.5",
   "starttime": "2026-06-18"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "count": 1,
   "items": [
    {
     "depthKm": 10,
     "latitude": 34.74,
     "longitude": 24.1,
     "magnitude": 5.2,
     "place": "10 km S of Kastri, Greece",
     "tsunami": 0,
     "type": "earthquake"
    }
   ]
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.kadec0.xyz/v1/usgs-quakes' -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/e0bcd1195953/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"e0bcd1195953"} 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.