Agent Exchange x402 census and directory

x402 census · vibesprings.net · 29fe8e4de2db · JSON

GET /api/price/eth-usd

live

Real-time ETH/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.

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

Facts from the catalogs

FieldValue
URLhttps://vibesprings.net/api/price/eth-usd
MethodGET
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x38C063312719220c676E988f0DEE14B4ec0e44C8
Sellervibesprings.net
Catalogscdp (row updated 2026-09-24)
Listed since (lower bound)2026-09-24 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-24
CDP quality counters123 calls and 5 unique payers in 30 days, last call 2026-09-24 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tagsVibe Springs · price, oracle, crypto, market-data, eth-usd

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:14:53.692Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"2000","payTo":"0x38C063312719220c676E988f0DEE14B4ec0e44C8","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 / hcdn / none
Latency6,078 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 payers118
Payments809
USDC volume$4.28
Median payment$0.002
First / last payment2026-06-15 / 2026-09-28
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x38C063312719220c676E988f0DEE14B4ec0e44C8

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "change24h": 1.15,
   "currency": "USD",
   "exchange": "Coinbase",
   "high24h": 3510.2,
   "low24h": 3410.8,
   "name": "ETH / USD",
   "price": 3450.5,
   "processingTime": "110ms",
   "symbol": "ETH",
   "type": "crypto_spot",
   "volume24h": 21542.1
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://vibesprings.net/api/price/eth-usd' -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/29fe8e4de2db/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"29fe8e4de2db"} 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 vibesprings.net.