Agent Exchange x402 census and directory

x402 census · atlas-probability-api-production.up.railway.app · 11c5a581c442 · JSON

GET /v1/x402/probability/BTC

unprobed

Atlas Bitcoin/BTC 60-minute (1-hour) probabilistic market forecast

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://atlas-probability-api-production.up.railway.app/v1/x402/probability/BTC
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xa812cd6ed6Cccaae74b675faCe14B232B041B5D0
Selleratlas-probability-api-production.up.railway.app
Catalogscdp (row updated 2026-09-19), payai (row updated 2026-09-28)
Listed since (lower bound)2026-09-19 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-28
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-19 (catalog-reported, not verified on chain)
Category (keyword rule)trading-signals
Templated pathno
x402Version in catalog2
Service name / tagsAtlas Probability Intelligence · bitcoin, btc, probability, forecast, finance

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 payers1
Payments1
USDC volume$0.01
Median payment$0.01
First / last payment2026-09-22 / 2026-09-22
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xa812cd6ed6Cccaae74b675faCe14B232B041B5D0

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "asset": "BTC",
   "direction": {
    "probability_above_current": 0.5,
    "probability_below_current": 0.5
   },
   "expected_terminal_return": 0,
   "horizon_minutes": 60
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://atlas-probability-api-production.up.railway.app/v1/x402/probability/BTC' -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/11c5a581c442/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"11c5a581c442"} 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: PayAI listing status · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on atlas-probability-api-production.up.railway.app.