Agent Exchange x402 census and directory

x402 census · api.myceliasignal.com · 38f381f65879 · JSON

GET /oracle/volatility/btc/usd

unprobed

MSVI Bitcoin volatility index — composite of realized vol, implied vol, term structure, funding stress and put/call ratio — Ed25519 signed attestation

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.myceliasignal.com/oracle/volatility/btc/usd
MethodGET
Price$0.05 USDC = 50000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xD593832Ce9C2B13B192ba50B55dd9AF44e96700d
Sellerapi.myceliasignal.com
Catalogscdp (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality counters91 calls and 2 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)
Category (keyword rule)identity/trust/kyc
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 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": {
   "index": "MSVI",
   "pair": "BTC/USD",
   "regime": "LOW",
   "value": 20.06
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.myceliasignal.com/oracle/volatility/btc/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/38f381f65879/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"38f381f65879"} 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.