Agent Exchange x402 census and directory

x402 census · api.clinkforge.com · fa5aa25ef7cb · JSON

GET /v1/p/auto-nchs-births-and-general-fertility-rates-united-states-lookup

live

Clink Forge raw data product 'auto-nchs-births-and-general-fertility-rates-united-states-lookup': pay-per-call government data with a provenance chain and an Ed25519 attestation on every response.

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

Facts from the catalogs

FieldValue
URLhttps://api.clinkforge.com/v1/p/auto-nchs-births-and-general-fertility-rates-united-states-lookup
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xF3D62244749eA344aa5408e7Bc50B5287f2b32cc
Sellerapi.clinkforge.com
Catalogscdp (row updated 2026-09-05)
Listed since (lower bound)2026-09-05 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-05
CDP quality counters2 calls and 1 unique payers in 30 days, last call 2026-09-05 (catalog-reported, not verified on chain)
Category (keyword rule)identity/trust/kyc
Templated pathno
x402Version in catalog2
Service name / tagsClink Forge · raw, data, provenance

Unpaid probe (census of )

FieldValue
Probenot probed in this build

Latest re-probe

FieldValue
Re-probed at2026-10-01T03:13:24.000Z (cron)
Verdict nowlive changed from unprobed
HEAD / GET405 / 402
accepts[0]{"scheme":"exact","network":"base","amount":"1000","payTo":"0xF3D62244749eA344aa5408e7Bc50B5287f2b32cc","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceno
Latency1,428 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers2
Payments2
USDC volume$0.002
Median payment$0.001
First / last payment2026-09-14 / 2026-09-25
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xF3D62244749eA344aa5408e7Bc50B5287f2b32cc

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "id": "example"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 438
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.clinkforge.com/v1/p/auto-nchs-births-and-general-fertility-rates-united-states-lookup' -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/fa5aa25ef7cb/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"fa5aa25ef7cb"} 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.clinkforge.com.