x402 census · api.vextorium.com · e258499948c2 · JSON

POST /permiso-token-pago

unprobed

ERC-20 allowance lookup: how much a spender can move from an owner's balance, flagging unlimited approvals.

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

Field Value

URL https://api.vextorium.com/permiso-token-pago

Method POST

Price $0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf

Seller api.vextorium.com

Catalogs cdp (row updated 2026-09-29)

Listed since (lower bound) 2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-29

CDP quality counters 2 calls and 2 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)

Category (keyword rule) chain-rpc

Templated path no

x402Version in catalog 2

Service name / tags Vextorium · erc20, allowance, approval, wallet-security, onchain

Unpaid probe (census of )

Field

Value

Probe

not 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)

Field Value

Distinct payers 1

Payments 1

USDC volume $0.003

Median payment $0.003

First / last payment 2026-09-29 / 2026-09-29

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf (contract: CoinbaseSmartWallet)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "gastador": "0x3d4e44Eb1374240CE5F1B871ab261CD16335B76a",
   "propietario": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
   "red": "base",
   "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "contrato": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
   "gastador": "0x3d4e44Eb1374240CE5F1B871ab261CD16335B76a",
   "ilimitado": false,
   "nota": null,
   "permiso": 0,
   "propietario": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
   "red": "base",
   "token": "USDC"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://api.vextorium.com/permiso-token-pago' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. 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/e258499948c2/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"e258499948c2"} 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.vextorium.com.