Agent Exchange x402 census and directory

x402 census · saylorinnovations.com · 8763b3618f26 · JSON

GET /api/geology/at

gone

Geology at a Location: bedrock, rock type, age (Macrostrat). Geology at any location worldwide: the bedrock or surface geologic unit mapped at a latitude/longitude with rock type (lithology), formation name, geologic age in millions of years and period, description, elevation and the source geological survey map, plus units at other map scales. Macrostrat, CC BY 4.0.

Verdict: dead listing. 404/410: gone.

Facts from the catalogs

FieldValue
URLhttps://saylorinnovations.com/api/geology/at
MethodGET
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, eip155:137, eip155:42161
payTo0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa
Sellersaylorinnovations.com
Catalogscdp (row updated 2026-09-25), payai (row updated 2026-09-29)
Listed since (lower bound)2026-09-25 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-29
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-25 (catalog-reported, not verified on chain)
Category (keyword rule)finance/macro
Templated pathno
x402Version in catalog2
Service name / tags · geology, at, nasa, science

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:49:19.890Z
HEAD404
GET404
Verdictgone 404/410: gone
402 carried inn/a
x402Version in the 402n/a
accepts[0]none
Live amount equals catalog pricenot comparable
Live payTo equals catalog payTonot comparable
extensions.bazaar in the 402no
PAYMENT-REQUIRED headerno
WWW-Authenticate offernone
Content type / server / CORStext/html / cloudflare / none
Latency1,568 ms
Errornone

Latest re-probe

FieldValue
Re-probed at2026-10-01T08:13:42.000Z (cron)
Verdict nowgone unchanged
HEAD / GET404 / 404
accepts[0]none
Live amount equals catalog pricenot comparable
Latency820 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers2
Payments6
USDC volume$0.02
Median payment$0.0025
First / last payment2026-09-27 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "lat": "36.1",
   "lon": "-112.1"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "bedrock": {
    "age": {
     "oldest_ma": 1800,
     "period": "Statherian",
     "youngest_ma": 1600
    },
    "map_source": {
     "title": "Geologic Map of the Grand Canyon 30' x 60' Quadrangle"
    },
    "name": "Granite, granitic pegmatite, and aplite"
   },
   "elevation_m": 746,
   "found": true,
   "lat": 36.1,
   "lon": -112.1
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://saylorinnovations.com/api/geology/at' -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/8763b3618f26/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"8763b3618f26"} 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: PayAI listing status · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on saylorinnovations.com.