x402 census · micro-saas-agent.onrender.com · a98190fbc518 · JSON

GET /api/kraken/listings

live

New Kraken USD pairs, last 30 days: first-seen date (our snapshots since deploy, or Kraken first daily candle), price, 24h volume, % since listing, WaveTrend 4h dot state, Kraken listing posts. Public data. $0.02.

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

Facts from the catalogs

Field Value

URL https://micro-saas-agent.onrender.com/api/kraken/listings

Method GET

Price $0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0xB4527dccaC81eB73d4988A51a4cb1FBBF2C3CaBd

Seller micro-saas-agent.onrender.com

Catalogs cdp (row updated 2026-10-18)

Listed since (lower bound) 2026-10-18 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-10-18

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-10-18 (catalog-reported, not verified on chain)

Category (keyword rule) crypto-data

Templated path no

x402Version in catalog 2

Service name / tags none

Unpaid probe (census of 2026-10-22)

Field Value

Probed at 2026-10-22T00:27:15.330Z

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":"20000","payTo":"0xB4527dccaC81eB73d4988A51a4cb1FBBF2C3CaBd","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"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 / cloudflare / none

Latency 220 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

Settlement history

unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "count": 1,
   "liveSince": "2026-10-19T00:00:00Z",
   "newUsdPairs": [
    {
     "changeSinceListingPct": -12.3,
     "dateSource": "kraken-first-candle",
     "firstSeenByGw8": null,
     "firstTradeDayOnKraken": "2026-10-08",
     "pair": "PNT/USD",
     "priceUsd": 0.5,
     "volume24hUsd": 120000,
     "wavetrend4h": {
      "dotOnLatestBar": null,
      "wt1": -40.1,
      "zone": "neutral"
     }
    }
   ]
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://micro-saas-agent.onrender.com/api/kraken/listings' -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/a98190fbc518/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"a98190fbc518"} 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 micro-saas-agent.onrender.com.