Agent Exchange x402 census and directory

x402 census · paddock.finance · e9181636cae4 · JSON

GET /api/paddock/mcp/verify-before-pay

unprobed

Paddock pre-payment endpoint verification — one-time query

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://paddock.finance/api/paddock/mcp/verify-before-pay
MethodGET
Price$0.25 USDC = 250000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x153AA87807D8f6deb65Bd53B137Cee7AD2dacCDb
Sellerpaddock.finance
Catalogscdp (row updated 2026-09-16)
Listed since (lower bound)2026-09-16 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-16
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-16 (catalog-reported, not verified on chain)
Category (keyword rule)agent-services
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 payers6
Payments8
USDC volume$0.04
Median payment$0.0055
First / last payment2026-07-12 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x153AA87807D8f6deb65Bd53B137Cee7AD2dacCDb

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "endpoint_url": "https://api.example.com/x402/search",
   "expect_network": "eip155:8453",
   "expect_price_usdc": 0.01
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "checked_at": "2026-08-26T18:20:09.000Z",
   "reason_codes": [
    "live_402_observed",
    "contract_mismatch_price"
   ],
   "route": false,
   "schema_version": "verify_before_pay/0.10",
   "summary": "Do not route: the live 402 contract does not match on price_usdc.",
   "tool": "verify_before_pay"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://paddock.finance/api/paddock/mcp/verify-before-pay' -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/e9181636cae4/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"e9181636cae4"} 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 paddock.finance.