Agent Exchange x402 census and directory

x402 census · agent402.tools · c2aede360e8b · JSON

GET /api/exchanges

live

Crypto exchanges ranked by trust score: id, name, country, year established, trust score (1-10) and rank, 24h volume in BTC (and normalized), centralized flag and URL; limit 1-100 (default 25). Pass `exchange` (an id such as binance, gdax, kraken) for ONE exchange's profile instead: the same fields plus description, trade volume incl. and excl. wash-trade normalization, ticker count and social li…

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

Facts from the catalogs

FieldValue
URLhttps://agent402.tools/api/exchanges
MethodGET
Price$0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts eip155:137, eip155:42161, eip155:143, eip155:43114, eip155:1329, eip155:10, eip155:4663, eip155:42220, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, stellar:pubnet
payTo0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Selleragent402.tools
Catalogscdp (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality counters3 calls and 2 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tagsCrypto exchanges · crypto, exchanges, cex, trust-score, volume

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:29:52.530Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inbody
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"5000","payTo":"0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payToyes
extensions.bazaar in the 402yes
PAYMENT-REQUIRED headerno
WWW-Authenticate offerPayment id="oebTqc0nx428S5_nH4Y1UpF_1Agq
Content type / server / CORSapplication/json / railway-hikari / *
Latency1,948 ms
ErrorPayment 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)

FieldValue
Distinct payers120
Payments1,253
USDC volume$12.29
Median payment$0.003
First / last payment2026-06-18 / 2026-09-30
Sampler-shaped share of payments61.8%
Payers that are not samplers2
Sourceforensics-2026-09-30
Address0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "limit": 10
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "cached": false,
   "count": 1,
   "exchanges": [
    {
     "centralized": true,
     "country": "United States",
     "id": "gdax",
     "name": "Coinbase Exchange",
     "rank": 1,
     "trustScore": 10,
     "trustScoreRank": 1,
     "url": "https://www.coinbase.com/",
     "volume24hBtc": 28651.7,
     "volume24hBtcNormalized": 28651.7,
     "yearEstablished": 2012
    }
   ],
   "fetchedAt": "2026-08-22T13:20:00.000Z",
   "mode": "list",
   "page": 1,
   "source": "coingecko"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://agent402.tools/api/exchanges' -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/c2aede360e8b/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c2aede360e8b"} 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 agent402.tools.