passlisted in Coinbasecounted above 92% of Other
0.01 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 6
- Unique payers, trailing 30 days
- 4
- Last called
- 2026-09-14 19:47 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.01 USDC
- Networks
- 2
How has the volume on this endpoint moved?
scan, a POST endpoint on port-scanner.underscoredone.com, appears in the Coinbase registry; TOLL's taxonomy puts it in the "other" category.
A call to scan costs 0.01 USDC on Base, as declared.
The request to scan is a json body with the fields ports, target, timeout and scan_type.
2 payment options span Base and Solana, to 2 different wallets.
The declared response carries target, warning, complete, scan_type, open_ports, api_version and 2 others.
scan answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
port-scanner.underscoredone.com lists no other endpoint.
scan drew 6 calls from 4 unique payers in the trailing 30 days.
The last call to scan came 1 day before the snapshot, 2026-09-14.
Closest in price to scan within the "other" category: merchants at www.x402scan.com and wallets transactions at api.zerion.io.
It is cheaper than 36% of comparable listings in the "other" category.
scan out-counts 92% of the 2,777 endpoints in the "other" category that carry counters.
The wallet paid by scan is the payee of 28 endpoints across 28 hosts.
Seller tags: port scanner, port scan, open ports and tcp port scanner.
428 other listings in the "other" category declare exactly the same price.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0xE97408…2C2F08 |
| Coinbase | solana: | USDC | 0.01 USDC | exact | 8ugAWAXD…vzQT3b |
the checks, as of 2026-09-15 06:48 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 06:48 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 06:16 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 06:07 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 08:24 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 14:07 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-14 19:47 UTC · method · live
The input and output block
{
"input": {
"body": {
"ports": "1-1000",
"target": "scanme.nmap.org",
"timeout": 30,
"scan_type": "tcp_connect"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"target": "scanme.nmap.org",
"warning": "",
"complete": true,
"scan_type": "tcp_connect",
"open_ports": [
{
"port": 22,
"state": "open",
"service": "ssh",
"version": "OpenSSH 8.2p1",
"protocol": "tcp"
},
{
"port": 80,
"state": "open",
"service": "http",
"version": "Apache httpd 2.4.41",
"protocol": "tcp"
}
],
"api_version": "1.0.0",
"duration_ms": 4521,
"resolved_ip": "45.33.32.156",
"ports_scanned": 1000,
"ports_requested": 1000,
"closed_or_filtered_count": 998
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "scan on port-scanner.underscoredone.com", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/port-scanner-underscoredone-com-scan-e1d121/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-port-scanner-underscoredone-com-scan-e1d121-2026-09-15T16-57Z,
author = {TOLL},
title = {scan on port-scanner.underscoredone.com},
howpublished = {\url{https://tollindex.com/e/port-scanner-underscoredone-com-scan-e1d121/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.