Agent Exchange x402 census and directory

x402 census · token-check.yukikawata.workers.dev · 1f58c4b2dfdd · JSON

GET /v1/base/tokens/:address

unprobed

Due-diligence report for an ERC-20 token on Base: contract verification, upgradeability, owner powers (mint, pause, blocklist, fees), DEX liquidity, pool age and holder concentration, with a 0-100 score and a plain-language summary.

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://token-check.yukikawata.workers.dev/v1/base/tokens/:address
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x8A1B9bE81A54083a5d81d494e605637979157CC4
Sellertoken-check.yukikawata.workers.dev
Catalogspayai (row updated 2026-09-26)
Listed since (lower bound)2026-09-26 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-26
CDP quality countersnot in the CDP catalog
Category (keyword rule)crypto-data
Templated pathyes: contains :param or {param}; probed as listed
x402Version in catalog2
Service name / tagsBase Token Check · crypto, base, erc20, token, due-diligence

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

Declared input and output (extensions.bazaar)

{
 "input": {
  "type": "http",
  "method": "GET",
  "pathParams": {
   "address": "0x532f27101965dd16442E59d40670FaF5eBB142E4"
  },
  "queryParams": {}
 },
 "output": {
  "type": "json",
  "example": {
   "chain": "base",
   "flags": [
    {
     "code": "can_mint",
     "message": "New tokens can be minted.",
     "severity": "medium"
    }
   ],
   "score": 90,
   "address": "0x940181a94A35A4569E4529A3CDfB74e38FD98631",
   "summary": "AERO on Base shows few warning signs. New tokens can be minted. The owner is not active, but another role may hold this power.",
   "verdict": "few warning signs"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://token-check.yukikawata.workers.dev/v1/base/tokens/:address' -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/1f58c4b2dfdd/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"1f58c4b2dfdd"} 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 token-check.yukikawata.workers.dev.