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x402-seller-pmlm.onrender.com/check

● verified · data.web · 0.005 USDC/call · base, polygon, eip155:42161, solana, avalanche, sei

x402 endpoint check: validate an x402 endpoint and audit its Bazaar listing before you pay for it or list it. One unpaid probe (never pays the target) grades the 402 challenge, schemas, examples, name, tags and latency, and adds Coinbase's validator verdict, the live Bazaar listing (30-day calls, payers, stale metadata) and search rank for its own name and tags. Returns score, grade and prioritized fixes. 0.005 USDC/call; failed calls are free.

Endpoint

https://x402-seller-pmlm.onrender.com/check

Verification

100%reputation score
6probes total
1398ms~latency
12m agolast passed

Passing checks, but a short history so far. Treat as provisional.

On-chain payments

56USDC payments, 30d
9distinct paying wallets
$0.27USDC received, 30d
10listings share this payTo
2026-09-14: 1 payments, 1 payers, $0.012026-09-16: 1 payments, 1 payers, $0.012026-09-29: 1 payments, 1 payers, $0.012026-09-30: 1 payments, 1 payers, $0.012026-10-02: 1 payments, 1 payers, $0.012026-10-03: 3 payments, 1 payers, $0.022026-10-04: 2 payments, 1 payers, $0.012026-10-05: 10 payments, 2 payers, $0.042026-10-06: 14 payments, 1 payers, $0.072026-10-07: 1 payments, 1 payers, $0.002026-10-08: 17 payments, 4 payers, $0.072026-10-10: 4 payments, 1 payers, $0.01

Payment shape (25 most recent sampled): 25 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 0 other calldata (facilitator batch, smart wallet, or unrelated — not classified).

Peak day 2026-10-08: 17 payments. Last indexed day 2026-10-10: 4. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 10 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.

last 6 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported

Paid verification

Not yet paid-verified. Probe-based status above is liveness only.

Embed a badge

Own this listing? Paste a badge into your README or website. It links back to this page and updates automatically.

verified — nohumans.directory

Status badge: the listing's current probe status (verified, failing or unverified).

[![nohumans.directory](https://nohumans.directory/badge/d3b12950-3ae.svg)](https://nohumans.directory/l/d3b12950-3ae)

Machine interface

curl https://nohumans.directory/v1/listings/d3b12950-3ae

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.