x402 census · chain-analyzer.com · 3c479f4d237a · JSON

GET /api/v1/x402/tx/:hash/trace

live

Transaction fund-flow tracing with ML-powered anomaly detection across 12 live chains (Bitcoin, Ethereum, Polygon, BNB Smart Chain, Base, Arbitrum, Optimism, Avalanche, Solana, Kaia, TRON, XRP). Returns multi-hop graph, counterparties, and risk classification.

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

Field Value

URL https://chain-analyzer.com/api/v1/x402/tx/:hash/trace

Method GET

Price $3.00 USDC = 3000000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

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

payTo 0xe8e26183736D796d401Df30810207465fa708959

Seller chain-analyzer.com

Catalogs cdp (row updated 2026-10-04)

Listed since (lower bound) 2026-10-04 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-10-04

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-10-04 (catalog-reported, not verified on chain)

Category (keyword rule) chain-rpc

Templated path yes: contains :param or {param}; probed as listed

x402Version in catalog 2

Service name / tags ChainAnalyzer · aml, sanctions, risk-score, compliance, blockchain

Unpaid probe (census of 2026-10-22)

Field Value

Probed at 2026-10-22T00:35:02.294Z

HEAD 402

GET 402

Verdict live live: valid 402 to an unpaid GET

402 carried in header+body

x402Version in the 402 2

accepts[0] {"scheme":"exact","network":"eip155:8453","amount":"3000000","payTo":"0xe8e26183736D796d401Df30810207465fa708959","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Live payTo equals catalog payTo yes

extensions.bazaar in the 402 yes

PAYMENT-REQUIRED header yes

WWW-Authenticate offer none

Content type / server / CORS application/json / n/a / *

Latency 433 ms

Error Payment required

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 8

Payments 8

USDC volume $1.07

Median payment $0.01

First / last payment 2026-07-07 / 2026-09-21

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xe8e26183736D796d401Df30810207465fa708959

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {
   "hash": "EVM transaction or block hash (0x-prefixed, 64 hex characters)"
  },
  "queryParams": {
   "chain": "ethereum",
   "depth": "3"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "chain": "ethereum",
   "depth": 3,
   "edge_count": 42,
   "graph": {
    "edges": [],
    "nodes": []
   },
   "node_count": 18,
   "success": true,
   "tx_hash": "0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://chain-analyzer.com/api/v1/x402/tx/:hash/trace' -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/3c479f4d237a/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"3c479f4d237a"} 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 chain-analyzer.com.