Agent Exchange x402 census and directory

x402 census · pro-api.coinmarketcap.com · 8f0c58c6c5e7 · JSON

GET /x402/v4/dex/pairs/quotes/latest

live

Get the latest quotes and trading data for specific DEX trading pairs.

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

Facts from the catalogs

FieldValue
URLhttps://pro-api.coinmarketcap.com/x402/v4/dex/pairs/quotes/latest
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts eip155:56
payTo0x3C5f3a6cE224BB89D72f5EB4232ecC27F67B3eeA
Sellerpro-api.coinmarketcap.com
Catalogscdp (row updated 2026-07-14)
Listed since (lower bound)2026-07-14 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-07-14
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-22 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of )

FieldValue
Probenot probed in this build

Latest re-probe

FieldValue
Re-probed at2026-10-01T01:13:18.000Z (cron)
Verdict nowlive changed from unprobed
HEAD / GET200 / 402
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"10000","payTo":"0x3C5f3a6cE224BB89D72f5EB4232ecC27F67B3eeA","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":30,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Latency3,188 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers12
Payments16
USDC volume$0.16
Median payment$0.01
First / last payment2026-06-04 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x3C5f3a6cE224BB89D72f5EB4232ecC27F67B3eeA

Declared input and output (extensions.bazaar)

{
 "input": {
  "discoverable": true,
  "method": "GET",
  "queryParams": {
   "network_id": "1",
   "pair_address": "0x0d4a11d5eeaac28ec3f61d100daf4d40471f1852"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 851
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://pro-api.coinmarketcap.com/x402/v4/dex/pairs/quotes/latest' -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/8f0c58c6c5e7/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"8f0c58c6c5e7"} 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 pro-api.coinmarketcap.com.