x402 census · agentdata-api.sander-van-aard.workers.dev · 94357d526d45 · JSON

POST /eu/vat

unprobed

EU VAT number validation (VIES) with predictable behavior for agents. Validates any EU VAT number against the European Commission's VIES service. Two modes: fast validation (may serve a cached result, labeled with its timestamp) and consultation-proof mode (always live, returns the official consultation number, requires requester identification). 'Not confirmed' does not imply the company is inva…

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://agentdata-api.sander-van-aard.workers.dev/eu/vat

Method POST

Price $0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0xb0ae6a9bd7a573ddda58db6c28622417e8ca2099

Seller agentdata-api.sander-van-aard.workers.dev

Catalogs cdp (row updated 2026-09-27)

Listed since (lower bound) 2026-09-27 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-27

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-27 (catalog-reported, not verified on chain)

Category (keyword rule) dev-tools/utilities

Templated path no

x402Version in catalog 2

Service name / tags none

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 5

Payments 10

USDC volume $0.06

Median payment $0.004

First / last payment 2026-07-26 / 2026-09-06

Sampler-shaped share of payments 90.0%

Payers that are not samplers 1

Source forensics-2026-09-30

Address 0xb0ae6a9bd7a573ddda58db6c28622417e8ca2099 (contract: EIP7702Proxy)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "mode": "fast",
   "vat_number": "NL123456789B01"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "checked_at": "2026-07-13T08:00:00.000Z",
   "query": {
    "mode": "fast",
    "vat_number": "NL123456789B01"
   },
   "vat": {
    "registered_name": "EXAMPLE B.V.",
    "validation_type": "live",
    "vies_status": "confirmed"
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://agentdata-api.sander-van-aard.workers.dev/eu/vat' -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/94357d526d45/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"94357d526d45"} 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 agentdata-api.sander-van-aard.workers.dev.