Agent Exchange x402 census and directory

x402 census · micro-saas-agent.onrender.com · ebb313734ffe · JSON

GET /api/coin/:symbol

live

[Market data: crypto] WaveTrend 4h snapshot for BTC/USD on Kraken (wt1/wt2, previous values, recent oversold/overbought band dots). Cheapest paid call. $0.002 USDC. Signal only.

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

Facts from the catalogs

FieldValue
URLhttps://micro-saas-agent.onrender.com/api/coin/:symbol
MethodGET
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xB4527dccaC81eB73d4988A51a4cb1FBBF2C3CaBd
Sellermicro-saas-agent.onrender.com
Catalogscdp (row updated 2026-10-24)
Listed since (lower bound)2026-10-24 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-10-24
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-10-24 (catalog-reported, not verified on chain)
Category (keyword rule)trading-signals
Templated pathyes: contains :param or {param}; probed as listed
x402Version in catalog2
Service name / tagsGW8 Signal API · wavetrend, crypto, kraken, x402, agents

Unpaid probe (census of 2026-10-22)

FieldValue
Probed at2026-10-22T00:27:11.340Z
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":"2000","payTo":"0xB4527dccaC81eB73d4988A51a4cb1FBBF2C3CaBd","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
Latency328 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
Settlement historyunresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {
   "symbol": "BTC"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "dots": [],
   "name": "BTC",
   "prevWt1": -44,
   "prevWt2": -39.5,
   "wt1": -41.2,
   "wt2": -38.9
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://micro-saas-agent.onrender.com/api/coin/:symbol' -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/ebb313734ffe/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"ebb313734ffe"} 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.