Agent Exchange x402 census and directory

x402 census · store-production-8add.up.railway.app · 63ffb3ef3a78 · JSON

GET /v1/report/agent-buyers

live

Findings brief for data and API sellers: how AI agents with funded wallets behave at a paywall. 1,416 purchases and refusals across six models and three agent frameworks on x402, with the install checklist. Full text, markdown, September 2026.

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

Facts from the catalogs

FieldValue
URLhttps://store-production-8add.up.railway.app/v1/report/agent-buyers
MethodGET
Price$29.00 USDC = 29000000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xa0f3c29f25778dDf46fce2cAB5f7e7C25E6a1451
Sellerstore-production-8add.up.railway.app
Catalogscdp (row updated 2026-10-01)
Listed since (lower bound)2026-10-01 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-10-01
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-10-01 (catalog-reported, not verified on chain)
Category (keyword rule)research/reports
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of 2026-10-22)

FieldValue
Probed at2026-10-22T00:35:43.606Z
HEAD405
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"29000000","payTo":"0xa0f3c29f25778dDf46fce2cAB5f7e7C25E6a1451","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payToyes
extensions.bazaar in the 402yes
PAYMENT-REQUIRED headeryes
WWW-Authenticate offernone
Content type / server / CORSapplication/json / railway-hikari / none
Latency108 ms
ErrorPayment 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)

FieldValue
Distinct payers2
Payments2
USDC volume$0.02
Median payment$0.01
First / last payment2026-09-17 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xa0f3c29f25778dDf46fce2cAB5f7e7C25E6a1451

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "body": "# What AI agents buy, and what they walk past\n\n...",
   "edition": "2026-09",
   "format": "markdown",
   "title": "What AI agents buy, and what they walk past",
   "words": 900
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://store-production-8add.up.railway.app/v1/report/agent-buyers' -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/63ffb3ef3a78/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"63ffb3ef3a78"} 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 store-production-8add.up.railway.app.