Agent Exchange x402 census and directory

x402 census · api.cryptoetfsentinel.com · d74009a42e23 · JSON

GET /v1/xbrl/aum-growth

unprobed

Crypto ETF Sentinel — Quarterly aggregate AUM growth across the US spot crypto ETF cohort, bucketed by BTC / ETH / SOL / multi / other. Use when sizing the crypto ETF market category or tracking quarter-over-quarter momentum from SEC-filed XBRL facts.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://api.cryptoetfsentinel.com/v1/xbrl/aum-growth
MethodGET
Price$0.10 USDC = 100000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0x169Bf49c6ee5A179190121Ab8D180B50e31683d1
Sellerapi.cryptoetfsentinel.com
Catalogscdp (row updated 2026-09-06)
Listed since (lower bound)2026-09-06 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-06
CDP quality counters2 calls and 1 unique payers in 30 days, last call 2026-09-06 (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

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 payers6
Payments10
USDC volume$0.64
Median payment$0.05
First / last payment2026-07-02 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x169Bf49c6ee5A179190121Ab8D180B50e31683d1

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "data": [
    {
     "breakdown": {
      "bitcoin": 118200000000,
      "ethereum": 14100000000,
      "multi": 600000000,
      "other": 300000000,
      "solana": 1300000000
     },
     "issuer_count": 27,
     "period_end": "2025-12-31",
     "quarter": "2025-Q4",
     "total_aum": 134500000000
    }
   ],
   "meta": {
    "concept": "InvestmentOwnedAtFairValue",
    "total": 29,
    "unit": "USD"
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.cryptoetfsentinel.com/v1/xbrl/aum-growth' -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/d74009a42e23/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"d74009a42e23"} 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 api.cryptoetfsentinel.com.