x402 census · api.agoranome.com · 7acb37bdb06b · JSON

GET /v1/seller/attest

live

Trust proof for an x402 seller: a signed attestation of your API's sample output, so buyer agents can check it before paying. Agoranome fetches a free sample from your endpoint's host, checks that your paid route on the same host answers with an x402 offer, and signs an attestation of what it saw and when: the sample's SHA-256 and body, and the offer's price, network and pay-to. Buyers check it a…

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

Field Value

URL https://api.agoranome.com/v1/seller/attest

Method GET

Price $0.05 USDC = 50000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x82f7d272628cffc810fa13c90634add245da42a5

Seller api.agoranome.com

Catalogs cdp (row updated 2026-10-24)

Listed since (lower bound) 2026-10-24 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-10-24

CDP quality counters 3 calls and 1 unique payers in 30 days, last call 2026-10-24 (catalog-reported, not verified on chain)

Category (keyword rule) crypto-data

Templated path no

x402Version in catalog 2

Service name / tags Agoranome · x402, attestation, trust, output check, seller tools

Unpaid probe (census of 2026-10-25)

Field Value

Probed at 2026-10-25T21:15:09.652Z

HEAD 402

GET 402

Verdict live live: valid 402 to an unpaid GET

402 carried in header

x402Version in the 402 2

accepts[0] {"scheme":"exact","network":"eip155:8453","amount":"50000","payTo":"0x82f7d272628cffc810fa13c90634add245da42a5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Live payTo equals catalog payTo yes

extensions.bazaar in the 402 yes

PAYMENT-REQUIRED header yes

WWW-Authenticate offer none

Content type / server / CORS application/json / cloudflare / none

Latency 153 ms

Error Payment required

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)

Field

Value

Settlement history

unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "resource": "https://api.example.com/v1/pdf",
   "sample": "https://api.example.com/v1/pdf/sample"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "result": {
    "attestation": {
     "offer": {
      "accepts": [
       {
        "pay_to": "0x...",
        "price_usd": 0.02
       }
      ]
     },
     "provenance": {
      "agent_address": "0x...",
      "signature": "..."
     },
     "sample": {
      "bytes": 1832,
      "sha256": "...",
      "status": 200
     }
    },
    "attestation_id": "att_...",
    "url": "https://api.agoranome.com/v1/attestations/att_..."
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.agoranome.com/v1/seller/attest' -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/7acb37bdb06b/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"7acb37bdb06b"} 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.agoranome.com.