x402 census · presign-guard.onrender.com · 4e288d8b3229 · JSON

POST /v1/check

unprobed

Is this transaction, approval or signature safe to sign? Check it before your AI agent or wallet signs it: pre-sign verdict (green/orange/red + reason codes) for EVM transactions, token approvals and Permit/Permit2/EIP-3009/Seaport signatures. Screens the spender or recipient wallet for OFAC sanctions and scam, phishing or theft reports, and flags unlimited allowances, plain-wallet spenders and r…

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://presign-guard.onrender.com/v1/check

Method POST

Price $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x6B0F4651eD42893ab58139938175E4a69f175F25

Seller presign-guard.onrender.com

Catalogs cdp (row updated 2026-09-29)

Listed since (lower bound) 2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-29

CDP quality counters 10 calls and 3 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)

Category (keyword rule) trading-signals

Templated path no

x402Version in catalog 2

Service name / tags presign-guard · wallet-security, pre-sign, approvals, agents

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 $0.05

Median payment $0.03

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

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x6B0F4651eD42893ab58139938175E4a69f175F25 (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "amount": "1000000",
   "chainId": 8453,
   "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
   "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
   "type": "approval"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "reasons": [
    {
     "code": "UNLIMITED_APPROVAL",
     "details": {
      "token": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"
     },
     "severity": "orange",
     "subject": "0x000000000022d473030f116ddee9f6b43ac78ba3"
    }
   ],
   "verdict": "orange"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://presign-guard.onrender.com/v1/check' -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/4e288d8b3229/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"4e288d8b3229"} 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 presign-guard.onrender.com.