passlisted in Coinbase#325 by calls of 525 on this host
0.01 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 33% / 78% / 78%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-10-12 12:43 UTC
- First observed by TOLLderived
- 2026-10-12
- Pricederived
- 0.01 USDC
- Networks
- 2
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 2 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.
TOLL first observed it on 2026-10-12.
saylorinnovations.com serves x402check verify, a GET endpoint that TOLL places in identity, listed in the Coinbase registry.
Per call, x402check verify declares 0.01 USDC on Base.
Its declared inputs are the query parameter url.
x402check verify answered the sweep of 2026-10-30 with a valid 402, passing 14 of 18 sweeps since 2026-10-12.
A response from x402check verify, as declared, includes url, note, found, checks, issues, checked_at and 2 others.
For x402check verify the listing declares 2 accepts on Base and Solana, to 2 different wallets.
Among the 525 endpoints on saylorinnovations.com, x402check verify is tied 325th by calls with 200 others.
In the trailing 30 days: one call, one payer.
x402check verify was last called 1 day before the snapshot.
Closest in price to x402check verify within identity: screening match at api.relaystation.ai and icypeas result at vaaya.ai.
Among comparable prices in identity, x402check verify sits above 34% of them.
The payee wallet is shared by 463 listings on one host.
The seller's tags on x402check verify are x402, verification, reliability and preflight.
Exactly this price appears on 707 other listings in identity.
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 | 0xA2A8dF…9fc8aa |
| Coinbase | solana: | USDC | 0.01 USDC | exact | 7LSjfrJf…vXacy7 |
the checks, as of 2026-10-30 06:41 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 06:41 UTC | pass | 0 | daily-2026-10-30 |
| 2026-10-29 06:23 UTC | fail | 1 | daily-2026-10-29 |
| 2026-10-28 06:45 UTC | fail | 1 | daily-2026-10-28 |
| 2026-10-27 06:38 UTC | fail | 1 | daily-2026-10-27 |
| 2026-10-26 11:58 UTC | fail | 1 | daily-2026-10-26 |
| 2026-10-24 21:20 UTC | pass | 0 | daily-2026-10-24 |
| 2026-10-23 06:32 UTC | pass | 0 | daily-2026-10-23 |
| 2026-10-22 04:47 UTC | pass | 0 | daily-2026-10-22 |
| 2026-10-21 08:30 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-20 08:41 UTC | pass | 0 | daily-2026-10-20 |
| 2026-10-19 06:16 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-18 08:28 UTC | pass | 0 | daily-2026-10-18 |
| 2026-10-17 18:29 UTC | pass | 0 | daily-2026-10-17 |
| 2026-10-16 04:42 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 06:17 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 04:39 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 09:06 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 15:23 UTC | pass | 0 | new-after-daily-2026-10-12 |
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 2026-10-12 12:43 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"url": "https://saylorinnovations.com/api/x402/test"
}
},
"output": {
"type": "json",
"example": {
"url": "https://saylorinnovations.com/api/x402/test",
"note": "Checks response shape, PAYMENT-REQUIRED transport header and x402 spec compliance only.",
"found": true,
"checks": {
"reachable": true,
"valid_json": true,
"status_is_402": true,
"has_x402_version": true,
"content_type_json": true,
"has_accepts_array": true,
"accepts_well_formed": true,
"payment_required_valid": true,
"has_payment_required_header": true,
"payment_required_matches_body": true
},
"issues": [],
"checked_at": "2026-09-30T04:00:00.000Z",
"latency_ms": 210,
"http_status": 402,
"service_name": "Saylor Innovations x402 Test",
"x402_compliant": true,
"accepted_networks": [
"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"eip155:8453"
]
}
}
}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, "x402check verify on saylorinnovations.com", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/saylorinnovations-com-api-x402check-verify-228922/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-saylorinnovations-com-api-x402check-verify-228922-2026-10-13T14-08Z,
author = {TOLL},
title = {x402check verify on saylorinnovations.com},
howpublished = {\url{https://tollindex.com/e/saylorinnovations-com-api-x402check-verify-228922/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.