malformedlisted in Coinbase#3 by calls of 10 on this host
0.001 USDC
per call, as the listing declares it on eip155:
- Validation state
- malformed
- Uptime, 7 / 30 / 90 days
- 0% / 0% / 0%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-08-23 09:07 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.001 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 28 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.
On 2026-09-15, verify returned 402 but failed the required check has_bazaar_extension.
For verify the failing check asks whether the body carries the Bazaar discovery extension.
verify, a GET endpoint on kairostamp.com, appears in the Coinbase registry; TOLL's taxonomy puts it in identity.
On Base, verify asks 0.001 USDC per call.
The request to verify is the query parameter receipt_id.
The declared response carries chain, codes, anchor, exists, method, verdict and 1 other.
verify drew a single call from a single payer in the trailing 30 days.
The last call to verify came 23 days before the snapshot, 2026-08-23.
Of kairostamp.com's 10 listings, verify ranks tied 3rd by calls with 7 others.
5% of the host's counted calls go to it.
verify is the cheapest of 1,499 comparable listings in identity; none asks less.
Closest in price to verify within identity: human at human.twin3.ai and tokenized equities at x402.ottoai.services.
The wallet paid by verify is the payee of 10 endpoints on one host.
Exactly this price appears on 136 other listings in identity.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0xdB6F69…808453 |
the checks, as of 2026-09-15 05:38 UTC · method · pinnableendpoint answered HTTP 402
has_bazaar_extension· the body carries the Bazaar discovery extension
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 05:38 UTC | malformed | 1 | daily-2026-09-15 |
| 2026-09-14 05:11 UTC | malformed | 1 | daily-2026-09-14 |
| 2026-09-13 05:07 UTC | malformed | 1 | daily-2026-09-13 |
| 2026-09-12 07:24 UTC | malformed | 1 | daily-2026-09-12 |
| 2026-09-11 11:07 UTC | malformed | 1 | 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 2026-08-23 09:07 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"receipt_id": "85cd424c-b68b-440e-8f4f-e02147799f30"
}
},
"output": {
"type": "json",
"example": {
"chain": {
"linked": true,
"chain_seq": 12,
"chain_hash": "d084fff3e5d852089814f7d4d3ffe9d04d1a39ce9d2e0573a95f24cf78fb584d",
"previous_chain_hash": "da27fe24efc04330962d1b95c7929a9de901ad0ea49a7997edf9f2731bf88def"
},
"codes": [],
"anchor": {
"note": "Checkpoints record a chain hash only; anchoring is not a guarantee of availability, accuracy or legal effect.",
"status": "confirmed",
"covered": true,
"network": "eip155:84532",
"chain_seq": 14
},
"exists": true,
"method": "recomputed_digest",
"verdict": "valid",
"receipt_id": "85cd424c-b68b-440e-8f4f-e02147799f30"
}
}
}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, "verify on kairostamp.com", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/kairostamp-com-api-v1-verify-7e8b66/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-kairostamp-com-api-v1-verify-7e8b66-2026-09-15T16-57Z,
author = {TOLL},
title = {verify on kairostamp.com},
howpublished = {\url{https://tollindex.com/e/kairostamp-com-api-v1-verify-7e8b66/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.