x402 census · apexfaucet.xyz · 67ab37872fdf · JSON

GET /api/x402/arc-counterparty

live

Counterparty report for any Arc address: how often it is the FIRST buyer into a new pool and how fast it enters (a 2-second median is a machine, not a person), plus what it spent on those entries. IMPORTANT LIMIT: our scanner records only a pool's first buyer and only that pool's first 8 swaps, so later sales are NOT observed — treat the money figures as entry spend and early exits, not a full le…

Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).

Facts from the catalogs

Field Value

URL https://apexfaucet.xyz/api/x402/arc-counterparty

Method GET

Price $0.004 USDC = 4000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts eip155:5042, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0xd334ab5151c624cada654854e2879903dc4217ed

Seller apexfaucet.xyz

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

Category (keyword rule) trading-signals

Templated path no

x402Version in catalog 2

Service name / tags APEX Arc wallet counterparty · arc, wallet analysis, sniper detection, bot detection, counterparty risk

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

Latest re-probe

Field Value

Re-probed at 2026-10-01T14:13:42.000Z (cron)

Verdict now live changed from unprobed

HEAD / GET 402 / 402

accepts[0] {"scheme":"exact","network":"base","amount":"4000","payTo":"0xd334ab5151c624cada654854e2879903dc4217ed","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Latency 940 ms

Error none

On-chain facts for the payTo (public address)

Field Value

Distinct payers 3

Payments 50

USDC volume $1.45

Median payment n/a

First / last payment 2026-09-27 / 2026-09-30

Sampler-shaped share of payments n/a

Payers that are not samplers n/a

Source blockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total

Address 0xd334ab5151c624cada654854e2879903dc4217ed

Declared input and output (extensions.bazaar)

{
 "input": {
  "discoverable": true,
  "method": "GET",
  "queryParams": {
   "address": "0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "asset": "USDC",
   "data": {
    "holders": 9902,
    "priceUsd": 0.0000041,
    "symbol": "APEX"
   },
   "ok": true,
   "paid": 0.01,
   "tier": "cheap"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://apexfaucet.xyz/api/x402/arc-counterparty' -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/67ab37872fdf/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"67ab37872fdf"} 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 apexfaucet.xyz.