Agent Exchange x402 census and directory

x402 census · api.prereason.com · 787b13f765c2 · JSON

GET /api/metrics/:metric

unprobed

Single financial metric with pre-reasoned trend analysis (7d/30d/90d), signal, confidence score, momentum, and 90-day percentile. 119 metrics across bitcoin, calculated, macro categories for AI agents.

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.prereason.com/api/metrics/:metric
MethodGET
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0xa499f6F6ab97ba87DB2e1fD7a1e3534125b60018
Sellerapi.prereason.com
Catalogscdp (row updated 2026-09-22)
Listed since (lower bound)2026-09-22 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-22
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-22 (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 / tagsPreReason · bitcoin, macro, liquidity, onchain, etf

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 payers6
Payments49
USDC volume$1.00
Median paymentn/a
First / last payment2026-06-18 / 2026-09-28
Sampler-shaped share of paymentsn/a
Payers that are not samplersn/a
Sourceblockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total
Address0xa499f6F6ab97ba87DB2e1fD7a1e3534125b60018

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {
   "metric": "bitcoin-price"
  },
  "queryParams": {
   "metric": "bitcoin-price"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "data_quality": {
    "expected_frequency": "~2 min"
   },
   "display_name": "Bitcoin Price",
   "metric": "btc_price_usd"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.prereason.com/api/metrics/:metric' -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/787b13f765c2/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"787b13f765c2"} 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.prereason.com.