x402 census · x402.agentindex.world · 7df39b17501d · JSON

POST /verify

unprobed

Check whether a source supports, contradicts, or gives insufficient information about a claim - a typed verdict with a real probability, not generated text. Try GET /verify/sample.

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

Field Value

URL https://x402.agentindex.world/verify

Method POST

Price $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d

Seller x402.agentindex.world

Catalogs cdp (row updated 2026-09-27)

Listed since (lower bound) 2026-09-27 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-27

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-27 (catalog-reported, not verified on chain)

Category (keyword rule) trading-signals

Templated path no

x402Version in catalog 2

Service name / tags claim-verification · verification

Unpaid probe (census of )

Field

Value

Probe

not 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)

Field Value

Distinct payers 1

Payments 2

USDC volume $0.002

Median payment $0.001

First / last payment 2026-09-27 / 2026-09-27

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "claim": "The Eiffel Tower is taller than the Statue of Liberty.",
   "source": "The Eiffel Tower stands 330 meters tall including antennas, while the Statue of Liberty, including its pedestal, reaches about 93 meters."
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "confidence": 1,
   "probabilities": {
    "contradicted": 0,
    "not_enough_info": 0,
    "supported": 1
   },
   "probability": 1,
   "verdict": "supported",
   "x402_receipt": {
    "latency_ms": 390,
    "model_served": "jev",
    "price_paid_usdc": 0,
    "upstream": "verification"
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://x402.agentindex.world/verify' -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/7df39b17501d/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"7df39b17501d"} 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 x402.agentindex.world.