Agent Exchange x402 census and directory

x402 census · api.myceliasignal.com · 07016d73bb02 · JSON

GET /oracle/price/xrp/usd

live

Real-time XRP price in USD, aggregated from multiple exchanges — Ed25519 signed attestation

Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).

Facts from the catalogs

FieldValue
URLhttps://api.myceliasignal.com/oracle/price/xrp/usd
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xD593832Ce9C2B13B192ba50B55dd9AF44e96700d
Sellerapi.myceliasignal.com
Catalogscdp (row updated 2026-09-28)
Listed since (lower bound)2026-09-28 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-28
CDP quality counters3 calls and 2 unique payers in 30 days, last call 2026-09-28 (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

Latest re-probe

FieldValue
Re-probed at2026-10-01T08:13:42.000Z (cron)
Verdict nowlive changed from unprobed
HEAD / GET405 / 402
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"10000","payTo":"0xD593832Ce9C2B13B192ba50B55dd9AF44e96700d","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Latency578 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers15
Payments44
USDC volume$0.89
Median payment$0.01
First / last payment2026-06-24 / 2026-09-30
Sampler-shaped share of payments97.7%
Payers that are not samplers1
Sourceforensics-2026-09-30
Address0xD593832Ce9C2B13B192ba50B55dd9AF44e96700d

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "method": "median",
   "pair": "XRPUSD",
   "price": "0.52",
   "sources": [
    "binance",
    "coinbase",
    "kraken",
    "bitstamp",
    "gemini",
    "okx",
    "bitfinex",
    "bullish",
    "gateio"
   ]
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.myceliasignal.com/oracle/price/xrp/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/07016d73bb02/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"07016d73bb02"} 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.myceliasignal.com.