Agent Exchange x402 census and directory

x402 census · geospatial.openverbs.com · d895ac706f4d · JSON

POST /v1/utm

live

Convert decimal lat/lon to a UTM coordinate (zone, latitude band, hemisphere, easting, northing) on WGS84, including the Norway/Svalbard zone exceptions. Defined for latitudes -80..84.

Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).

Facts from the catalogs

FieldValue
URLhttps://geospatial.openverbs.com/v1/utm
MethodPOST
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A
Sellergeospatial.openverbs.com
Catalogscdp (row updated 2026-09-14)
Listed since (lower bound)2026-09-14 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-14
CDP quality counters3 calls and 2 unique payers in 30 days, last call 2026-09-14 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tags · lat lon to utm, utm conversion api, convert coordinates to utm, wgs84 utm zone, utm easting northing

Unpaid probe (census of )

FieldValue
Probenot probed in this build

Latest re-probe

FieldValue
Re-probed at2026-10-01T08:13:42.000Z (cron)
Verdict nowlive changed from unprobed
HEAD / GET402 / 402
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"2000","payTo":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Latency396 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers5
Payments197
USDC volume$1.35
Median payment$0.01
First / last payment2026-09-09 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "lat": 1,
   "lon": 1
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://geospatial.openverbs.com/v1/utm' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. 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/d895ac706f4d/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"d895ac706f4d"} 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 geospatial.openverbs.com.