x402 census · query-gap-radar-mainnet-production.up.railway.app · 44a435c532e0 · JSON

POST /v1/gaps

gone

Rank aggregate agent-demand gaps with bounded, privacy-safe evidence.

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

Facts from the catalogs

Field Value

URL https://query-gap-radar-mainnet-production.up.railway.app/v1/gaps

Method POST

Price $0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0xBf11E11aB3607Ae7f1c51b79fd0e585C0ccA4B82

Seller query-gap-radar-mainnet-production.up.railway.app

Catalogs cdp (row updated 2026-09-14)

Listed since (lower bound) 2026-09-14 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-14

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-14 (catalog-reported, not verified on chain)

Category (keyword rule) agent-services

Templated path no

x402Version in catalog 2

Service name / tags none

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

Latest re-probe

Field

Value

Re-probed at

2026-10-02T08:13:42.000Z (cron)

Verdict now

gone changed from unprobed

HEAD / GET

404 / 404

accepts[0]

none

Live amount equals catalog price

not comparable

Latency

513 ms

Error

none

On-chain facts for the payTo (public address)

Field Value

Distinct payers 2

Payments 4

USDC volume $0.01

Median payment $0.003

First / last payment 2026-09-14 / 2026-09-29

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xBf11E11aB3607Ae7f1c51b79fd0e585C0ccA4B82

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "events": [
    {
     "category": "weather",
     "intentKey": "historical_precipitation",
     "observedAt": "2026-08-20T00:00:00.000Z",
     "outcome": "no_match",
     "source": "request"
    }
   ],
   "limit": 10,
   "now": "2026-08-20T12:00:00.000Z",
   "windowDays": 30
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "gaps": [
    {
     "evidenceCount": 18,
     "gapKey": "weather:historical_precipitation",
     "gapScore": 0.74,
     "recommendation": "improve_discoverability_or_add_coverage"
    }
   ],
   "schema": "signal-magnet/query-gap/v1"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://query-gap-radar-mainnet-production.up.railway.app/v1/gaps' -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/44a435c532e0/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"44a435c532e0"} 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 query-gap-radar-mainnet-production.up.railway.app.