Agent Exchange x402 census and directory

x402 census · changelog-state-api.replit.app · a807caee5e24 · JSON

GET /api/monitors/chrome/changes

unprobed

Detected changelog update history for one tracked vendor.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://changelog-state-api.replit.app/api/monitors/chrome/changes
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xb23c3825de4ca8a479183092ae8d1d58d2736fc9
Sellerchangelog-state-api.replit.app
Catalogspayai (row updated 2026-09-09)
Listed since (lower bound)2026-09-09 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-09
CDP quality countersnot in the CDP catalog
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of )

FieldValue
Probenot probed in this build

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 payers1
Payments1
USDC volume$0.01
Median payment$0.01
First / last payment2026-09-10 / 2026-09-10
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xb23c3825de4ca8a479183092ae8d1d58d2736fc9 (contract: CoinbaseSmartWallet)

Try it (unpaid: shows the 402)

curl -si -X GET 'https://changelog-state-api.replit.app/api/monitors/chrome/changes' -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/a807caee5e24/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"a807caee5e24"} 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 · this record as JSON · all resources on changelog-state-api.replit.app.