Agent Exchange x402 census and directory

x402 census · smartcontractexplainer.onrender.com · 5eddcc2339a5 · JSON

POST /api/explain

unprobed

Explain a pasted approval/permission payload in plain language, with a SAFE, CAUTION or RISK verdict

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://smartcontractexplainer.onrender.com/api/explain
MethodPOST
Price$0.05 USDC = 50000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0x6B0F4651eD42893ab58139938175E4a69f175F25
Sellersmartcontractexplainer.onrender.com
Catalogscdp (row updated 2026-09-24)
Listed since (lower bound)2026-09-24 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-24
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-24 (catalog-reported, not verified on chain)
Category (keyword rule)trading-signals
Templated pathno
x402Version in catalog2
Service name / tagsPlainText · wallet-security, approvals, crypto, explainer

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 payers1
Payments2
USDC volume$0.05
Median payment$0.03
First / last payment2026-09-29 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x6B0F4651eD42893ab58139938175E4a69f175F25 (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "data": {
    "approved_amount": "unlimited",
    "function": "approve",
    "spender": "0x7a3f...92e1",
    "spender_verified": false,
    "token": "USDC"
   }
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "explanation": "You would let an unverified, days-old address spend all of your USDC, forever.",
   "verdict": "RISK"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://smartcontractexplainer.onrender.com/api/explain' -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/5eddcc2339a5/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"5eddcc2339a5"} 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 smartcontractexplainer.onrender.com.