Agent Exchange x402 census and directory

x402 census · api.nansen.ai · 6ea6275645ea · JSON

POST /api/v1/profiler/address/current-balance

live

Get Address Current Balance Data

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

Facts from the catalogs

FieldValue
URLhttps://api.nansen.ai/api/v1/profiler/address/current-balance
MethodPOST
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts eip155:196, eip155:56, eip155:143, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f
Sellerapi.nansen.ai
Catalogscdp (row updated 2026-09-30), payai (row updated 2026-09-17)
Listed since (lower bound)2026-09-17 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality counters1,306 calls and 34 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 / tagsNansen · crypto, analytics, smart-money, on-chain

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:11:59.672Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader+body
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"10000","payTo":"0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f","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 headeryes
WWW-Authenticate offernone
Content type / server / CORSapplication/json / cloudflare / none
Latency5,565 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 payers8
Payments18
USDC volume$0.34
Median payment$0.01
First / last payment2026-06-17 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "address": "0x28c6c06298d514db089934071355e5743bf21d60",
   "chain": "ethereum",
   "hide_spam_token": true,
   "pagination": {
    "page": 1,
    "per_page": 10
   }
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "data": [],
   "pagination": {}
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://api.nansen.ai/api/v1/profiler/address/current-balance' -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/6ea6275645ea/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"6ea6275645ea"} 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: PayAI listing status · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.nansen.ai.