x402 census · sellers · underscoredone.com · JSON
underscoredone.com unverified
underscoredone.com lists 2 x402 resources in payai; 0 answered a valid 402 to an unpaid GET, 0 are dead; prices $0.01 to $0.01; on-chain 47 payers, 85 payments, $0.87 USDC; discovery files: not checked.
Listed resources
2
POST 2
Valid 402
0 / 0
verdict unverified
Dead
0
none
Prices
$0.01–$0.01
median $0.01; networks base
Payers on record
47
85 payments, $0.87 USDC, last 2026-09-30
Sampler share
100.0%
payments from monitor/indexer-shaped wallets
Discovery files on the host
| File | Status | Detail |
|---|---|---|
| /.well-known/x402 | not checked | |
| /openapi.json | not checked | |
| /llms.txt | not checked | |
| /.well-known/agent-card.json | not checked |
On-chain settlement facts (public payTo addresses)
47 distinct paying wallets, 85 payments, $0.87 USDC between 2026-06-17 and 2026-09-30; 100.0% of payments came from sampler-shaped wallets. Source: forensics-2026-09-30; the payTo also receives for 28 other hosts; on-chain totals are per address, not per host.
payTo: 0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08. The same payTo also receives for 28 other hosts: api.paysponge.com, asn-lookup.underscoredone.com, bimi-checker.underscoredone.com, cors-header-checker.underscoredone.com, cpi-report-us.underscoredone.com, curl-http-request.underscoredone.com, dmarc-lookup.underscoredone.com, dns-lookup.x402.paysponge.com, dns-whois-lookup.underscoredone.com, domain-age-checker.underscoredone.com, domain-availability-checker.underscoredone.com, email-verifier.underscoredone.com and more; on-chain totals are per address, not per host.
Resources (2)
| Resource | Price | Network | Verdict | Catalogs | Description |
|---|---|---|---|---|---|
| POST /lookup | $0.01 | base | unprobed | payai | |
| POST /domain_age_checker/lookup | $0.01 | base | unprobed | payai |
Catalog rows: payai 2. Listed since at least 2026-06-07; last catalog update 2026-06-08.
Badge
<a href="https://bazaar.agentexchange.work/seller/underscoredone.com"><img src="https://bazaar.agentexchange.work/seller/underscoredone.com.svg" alt="underscoredone.com on the Agent Exchange x402 census: 0 routes live"></a>
Paid report (x402)
GET https://bazaar.agentexchange.work/seller/underscoredone.com/report.json re-probes up to 18 of these resources right now, re-fetches the manifest and returns the whole record for $0.05 USDC on Base. Unpaid requests answer 402 with the terms. Pricing.