Agent Exchange x402 census and directory

x402 census · intent-api-matchmaker-mainnet-production.up.railway.app · 46b0be85ed10 · JSON

POST /v1/match

gone

Match normalized agent intents to endpoint contracts with explainable constraints.

Verdict: dead listing. 404/410: gone (was unprobed in the census).

Facts from the catalogs

FieldValue
URLhttps://intent-api-matchmaker-mainnet-production.up.railway.app/v1/match
MethodPOST
Price$0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xBf11E11aB3607Ae7f1c51b79fd0e585C0ccA4B82
Sellerintent-api-matchmaker-mainnet-production.up.railway.app
Catalogscdp (row updated 2026-09-08)
Listed since (lower bound)2026-09-08 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-08
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-09-08 (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

Latest re-probe

FieldValue
Re-probed at2026-10-01T14:13:42.000Z (cron)
Verdict nowgone changed from unprobed
HEAD / GET404 / 404
accepts[0]none
Live amount equals catalog pricenot comparable
Latency1,226 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers2
Payments4
USDC volume$0.01
Median payment$0.003
First / last payment2026-09-14 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xBf11E11aB3607Ae7f1c51b79fd0e585C0ccA4B82

Declared input and output (extensions.bazaar)

{
 "input": {
  "type": "http",
  "method": "POST",
  "truncated": true,
  "chars": 973
 },
 "output": {
  "type": "json",
  "example": {
   "matches": [
    {
     "intentKey": "historical_precipitation",
     "matches": [
      {
       "eligible": true,
       "endpointKey": "weather-rich",
       "fitScore": 0.92,
       "reasons": [
        "category_match",
        "capabilities_fully_covered"
       ]
      }
     ],
     "status": "matched"
    }
   ],
   "schema": "signal-magnet/intent-match/v1"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://intent-api-matchmaker-mainnet-production.up.railway.app/v1/match' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. 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/46b0be85ed10/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"46b0be85ed10"} 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 intent-api-matchmaker-mainnet-production.up.railway.app.