faillisted in Coinbase#11 by calls of 42 on this host
0.002 USDC
per call, as the listing declares it on eip155:
- Validation state
- fail
- Uptime, 7 / 30 / 90 days
- 0% / 0% / 0%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-20 02:04 UTC
- First observed by TOLLderived
- 2026-09-20
- Pricederived
- 0.002 USDC
- Networks
- 1
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 76 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
nft verify ownership answered HTTP 400 rather than 402 at the sweep of 2026-10-27; the recorded state is fail.
x402.professorsausages.com serves nft verify ownership, a GET endpoint that TOLL places in identity, listed in the Coinbase registry.
nft verify ownership is priced at 0.002 USDC on Base.
Its declared inputs are the query parameters wallet, tokenId and contract.
nft verify ownership declares object output without an example.
The registry counted one call from one payer in the trailing 30 days.
nft verify ownership was last called 24 days before the snapshot.
Among the 42 endpoints on x402.professorsausages.com, nft verify ownership is tied 11th by calls with 31 others.
It accounts for 1% of the calls counted across the host.
nft verify ownership is among the cheapest in identity; 7% of comparable listings ask less.
Closest in price to nft verify ownership within identity: tools verify semaphore at x402.freeq.one and chain ens at api.losbeto.xyz.
The wallet paid by nft verify ownership is the payee of 45 endpoints on one host.
Seller tags: nft, ethereum, scam-check and ownership; seller label: "nft".
The price of nft verify ownership is declared by 113 other listings in identity too.
the payment options, as of 2026-10-13 14:08 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.002 USDC | exact | 0x54ebFC…c70d5B |
the checks, as of 2026-10-27 11:33 UTC · method · pinnableendpoint answered HTTP 400
returns_402· an unauthenticated request gets HTTP 402
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-27 11:33 UTC | fail | 1 | daily-2026-10-27 |
| 2026-10-23 12:03 UTC | fail | 1 | daily-2026-10-23 |
| 2026-10-21 21:29 UTC | fail | 1 | daily-2026-10-21 |
| 2026-10-19 11:46 UTC | fail | 1 | daily-2026-10-19 |
| 2026-10-16 09:32 UTC | fail | 1 | daily-2026-10-16 |
| 2026-10-15 11:31 UTC | fail | 1 | daily-2026-10-15 |
| 2026-10-14 09:22 UTC | fail | 1 | daily-2026-10-14 |
| 2026-10-13 14:41 UTC | fail | 1 | daily-2026-10-13 |
| 2026-10-12 11:40 UTC | fail | 1 | daily-2026-10-12 |
| 2026-10-11 10:19 UTC | fail | 1 | daily-2026-10-11 |
| 2026-10-10 18:30 UTC | fail | 1 | daily-2026-10-10 |
| 2026-10-09 11:54 UTC | fail | 1 | daily-2026-10-09 |
| 2026-10-08 13:45 UTC | fail | 1 | daily-2026-10-08 |
| 2026-10-07 12:46 UTC | fail | 1 | daily-2026-10-07 |
| 2026-10-06 13:26 UTC | fail | 1 | daily-2026-10-06 |
| 2026-10-05 11:49 UTC | fail | 1 | daily-2026-10-05 |
| 2026-10-04 14:27 UTC | fail | 1 | daily-2026-10-04 |
| 2026-10-03 07:44 UTC | fail | 1 | daily-2026-10-03 |
| 2026-10-02 16:52 UTC | fail | 1 | daily-2026-10-02 |
| 2026-10-01 09:33 UTC | fail | 1 | daily-2026-10-01 |
| 2026-09-30 09:02 UTC | fail | 1 | daily-2026-09-30 |
| 2026-09-29 21:07 UTC | fail | 1 | daily-2026-09-29 |
| 2026-09-23 08:01 UTC | fail | 1 | daily-2026-09-23 |
| 2026-09-22 08:14 UTC | fail | 1 | daily-2026-09-22 |
| 2026-09-21 08:36 UTC | fail | 1 | daily-2026-09-21 |
| 2026-09-20 18:24 UTC | fail | 1 | new-after-daily-2026-09-19 |
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 2026-07-20 23:43 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"wallet": "Wallet address (0x + 40 hex).",
"tokenId": "Optional decimal token id for an exact-token check.",
"contract": "NFT contract address (0x + 40 hex)."
}
},
"output": {
"type": "object",
"required": [
"wallet",
"contract",
"holds",
"method",
"freshness"
],
"properties": {
"holds": {
"type": "boolean"
},
"method": {
"type": "string",
"description": "isHolderOfContract, +getOwnersForNFT when tokenId given."
},
"wallet": {
"type": "string"
},
"tokenId": {
"type": "string"
},
"contract": {
"type": "string"
},
"freshness": {
"type": "object",
"required": [
"tier",
"max_age_seconds",
"as_of"
],
"properties": {
"tier": {
"enum": [
"cached",
"live"
],
"type": "string"
},
"as_of": {
"type": "string",
"description": "ISO timestamp of the upstream data capture."
},
"max_age_seconds": {
"type": "integer",
"description": "86400 on the cached tier, 0 on live."
}
}
}
}
}
}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, "nft verify ownership on x402.professorsausages.com", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/x402-professorsausages-com-nft-chain-verify-ownership-d66c12/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-x402-professorsausages-com-nft-chain-verify-ownership-d66c12-2026-10-13T14-08Z,
author = {TOLL},
title = {nft verify ownership on x402.professorsausages.com},
howpublished = {\url{https://tollindex.com/e/x402-professorsausages-com-nft-chain-verify-ownership-d66c12/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.