check derived
domain-availability-checker.underscoredone.comMarket dataderived
POST https://domain-availability-checker.underscoredone.com/check
passlisted in Coinbasecounted above 83% of Market data
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
- 2026-10-08 05:33 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.01 USDC
- Networks
- 2
How has the volume on this endpoint moved?
At domain-availability-checker.underscoredone.com, check takes POST requests, is listed in the Coinbase registry, and falls under market data by TOLL's rules.
check is priced at 0.01 USDC on Base.
The request to check is a json body with the field domains.
2 payment options span Base and Solana, to 2 different wallets.
check returns json; the example shows count, results, disclaimer, queried_at and api_version.
check answered the sweep of 2026-10-30 with a valid 402, as at every sweep since 2026-09-11.
domain-availability-checker.underscoredone.com lists no other endpoint.
check drew 6 calls from 4 unique payers in the trailing 30 days.
The last call to check came 5 days before the snapshot, 2026-10-08.
Closest in price to check within market data: price at svm402.com and address current balance at api.nansen.ai.
check is priced above 40% of comparable listings in market data.
Across market data, 8,872 endpoints carry counters and check out-counts 83% of them.
The payee wallet is shared by 28 listings across 28 hosts.
The seller's tags on check are domain availability, is domain available, is domain registered and check domain availability.
2,674 other listings in market data declare exactly the same price.
the payment options, as of 2026-10-13 14:08 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 2026-10-30 12:27 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-30 12:27 UTC | pass | 0 | daily-2026-10-30 |
| 2026-10-29 12:08 UTC | pass | 0 | daily-2026-10-29 |
| 2026-10-28 12:34 UTC | pass | 0 | daily-2026-10-28 |
| 2026-10-27 12:11 UTC | pass | 0 | daily-2026-10-27 |
| 2026-10-23 12:44 UTC | pass | 0 | daily-2026-10-23 |
| 2026-10-21 22:02 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-19 12:24 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-16 10:08 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 12:07 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 10:00 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 15:19 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 12:21 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 10:56 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 19:06 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-09 12:42 UTC | pass | 0 | daily-2026-10-09 |
| 2026-10-08 14:34 UTC | pass | 0 | daily-2026-10-08 |
| 2026-10-07 13:44 UTC | pass | 0 | daily-2026-10-07 |
| 2026-10-06 14:16 UTC | pass | 0 | daily-2026-10-06 |
| 2026-10-05 12:27 UTC | pass | 0 | daily-2026-10-05 |
| 2026-10-04 14:58 UTC | pass | 0 | daily-2026-10-04 |
| 2026-10-03 08:08 UTC | pass | 0 | daily-2026-10-03 |
| 2026-10-02 17:15 UTC | pass | 0 | daily-2026-10-02 |
| 2026-10-01 09:54 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 09:20 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 21:26 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-23 08:18 UTC | pass | 0 | daily-2026-09-23 |
| 2026-09-22 08:31 UTC | pass | 0 | daily-2026-09-22 |
| 2026-09-21 08:53 UTC | pass | 0 | daily-2026-09-21 |
| 2026-09-19 06:50 UTC | pass | 0 | daily-2026-09-19 |
| 2026-09-17 06:42 UTC | pass | 0 | daily-2026-09-17 |
| 2026-09-16 06:39 UTC | pass | 0 | daily-2026-09-16 |
| 2026-09-15 06:55 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 06:23 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 06:13 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 08:50 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 14:40 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 2026-10-08 05:33 UTC · method · live
The input and output block
{
"input": {
"body": {
"domains": [
"example.com",
"mybrand.ai",
"coolstartup.io"
]
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"count": 2,
"results": [
{
"note": "A registration record exists for this domain.",
"domain": "example.com",
"status": "registered",
"registered": true,
"rdap_source": "registry",
"tld_supported": true
},
{
"note": "No registration record found. Usually means unregistered, but reserved or premium names can also return this result.",
"domain": "thisnameprobablyhasnorecord12345.ai",
"status": "unregistered",
"registered": false,
"rdap_source": "registry",
"tld_supported": true
}
],
"disclaimer": "Status reflects whether a registration record exists. It does not confirm price, premium status, or that an 'unregistered' name is purchasable at standard cost.",
"queried_at": "2026-06-26T09:00:00Z",
"api_version": "1.0.0"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-13 14:08 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "check on domain-availability-checker.underscoredone.com", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/domain-availability-checker-underscoredone-com-check-ec6a7d/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-domain-availability-checker-underscoredone-com-check-ec6a7d-2026-10-13T14-08Z,
author = {TOLL},
title = {check on domain-availability-checker.underscoredone.com},
howpublished = {\url{https://tollindex.com/e/domain-availability-checker-underscoredone-com-check-ec6a7d/at/2026-10-13T14-08Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-13 14:08 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.