passlisted in Coinbase#1 by calls of 2 on this host
0.02 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
- 2
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-10-10 15:26 UTC
- First observed by TOLLderived
- 2026-10-10
- Pricederived
- 0.02 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 8 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 2026-10-10.
seller check is a GET endpoint at tokencheck.402api.dev, listed in the Coinbase registry and filed by TOLL under identity.
seller check is priced at 0.02 USDC on Base.
The listing describes the request as the query parameter url.
seller check answered the sweep of 2026-10-30 with a valid 402, as at every sweep since 2026-10-10.
A response from seller check, as declared, includes index, notes, payTo, probe, query, bazaar and 2 others.
seller check is one of 2 listed endpoints on tokencheck.402api.dev, tied 1st by calls with 1 other among them.
seller check takes 50% of the calls counted across tokencheck.402api.dev.
One payer accounts for all 2 calls to seller check over 30 days.
The most recent call was 3 days before the snapshot.
seller check sits nearest in price to contract (oracle.cyberwarex.com) and tx receipt verify (receipt.schemasure.com) among listings in identity.
seller check is priced above 69% of comparable listings in identity.
The wallet paid by seller check is the payee of 2 endpoints on one host.
Seller tags: x402, seller-reputation, trust and provider-selection.
The price of seller check is declared by 190 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 | 0.02 USDC | exact | 0x8C8A81…FFffdE |
the checks, as of 2026-10-30 12:28 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 12:28 UTC | pass | 0 | daily-2026-10-30 |
| 2026-10-29 12:09 UTC | pass | 0 | daily-2026-10-29 |
| 2026-10-28 12:35 UTC | pass | 0 | daily-2026-10-28 |
| 2026-10-27 12:12 UTC | pass | 0 | daily-2026-10-27 |
| 2026-10-23 12:45 UTC | pass | 0 | daily-2026-10-23 |
| 2026-10-21 22:03 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-19 12:25 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-16 10:09 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 12:08 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 12:22 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 10:57 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 21:50 UTC | pass | 0 | new-after-daily-2026-10-10 |
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 2026-10-10 15:25 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"url": "https://tokencheck.402api.dev/v1/token-check"
},
"discoverable": true
},
"output": {
"type": "json",
"example": {
"index": {
"payTosTracked": 1494,
"indexedThroughTime": "2026-10-10T00:45:03.000Z",
"indexedThroughBlock": 52401878,
"payTosFullyBackfilled": 1494
},
"notes": [
"Measured facts, not advice. Incoming USDC counts every transfer to the payTo, not only x402 settlements; distinct payers can still be one operator with many wallets."
],
"payTo": "0x589a2314a2e05f45e40c4823da3ba58d421db3d8",
"probe": {
"ms": 890,
"ok": true,
"tls": {
"ok": true,
"issuer": "Let's Encrypt",
"validTo": "2026-12-10T09:14:50.000Z",
"daysLeft": 61
},
"url": "https://www.api-xpay.com/x402/ping",
"x402": {
"valid": true,
"source": "PAYMENT-REQUIRED header",
"accepts": [
{
"usd": 0.005,
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0x589a2314a2e05f45e40c4823da3ba58d421db3d8",
"scheme": "exact",
"network": "eip155:8453",
"problems": [],
"recognised": "USDC on Base",
"amountAtomic": "5000",
"maxTimeoutSeconds": 60
}
],
"version": 2,
"problems": [],
"description": "Health check ping",
"resourceUrl": "https://www.api-xpay.com/x402/ping"
},
"method": "GET",
"status": 402,
"measuredAt": "2026-10-10T00:45:30.978Z",
"methodNote": "GET without payment"
},
"query": {
"url": "https://www.api-xpay.com/x402/ping",
"payTo": null
},
"bazaar": {
"listed": true,
"listing": {
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"payTo": "0x589a2314a2e05f45e40c4823da3ba58d421db3d8",
"amount": "5000",
"method": "GET",
"network": "eip155:8453",
"calls30d": 4581,
"resource": "https://www.api-xpay.com/x402/ping",
"payers30d": 110,
"description": "Health check ping",
"lastUpdated": "2026-10-09T21:29:46.127Z",
"serviceName": "X Pay",
"lastCalledAt": "2026-10-09T18:46:08.848Z",
"lastSeenByIndexer": "2026-10-09T23:20:21.000Z",
"firstSeenByIndexer": "2026-10-09T23:20:21.000Z"
},
"catalogSize": 34791,
"otherListings": [
{
"calls30d": 4539,
"resource": "https://www.api-xpay.com/x402/payment",
"description": "Payment receipt with transaction details"
},
{
"calls30d": 4357,
"resource": "https://www.api-xpay.com/x402/status",
"description": "Service status and payment configuration"
}
],
"listingsForPayTo": 14,
"catalogRefreshedAt": "2026-10-09T23:20:22.525Z"
},
"reasons": [
"Unpaid GET answered 402 with valid x402 v2 requirements (PAYMENT-REQUIRED header): $0.005 USDC on Base to 0x589a2314a2e05f45e40c4823da3ba58d421db3d8 in 890 ms.",
"Listed in the CDP Bazaar as \"X Pay\" (Bazaar reports 4,581 calls / 110 payers in 30 d).",
"20,049 USDC payment(s) from 137 distinct payer(s), $2,276.68 total, in the last 7 d."
],
"verdict": "looks legit",
"measuredAt": "2026-10-10T00:45:31.943Z",
"reputation": {
"payTo": "0x589a2314a2e05f45e40c4823da3ba58d421db3d8",
"last7d": {
"complete": true,
"payments": 20049,
"totalUsd": 2276.67891,
"medianUsd": 0.005,
"coveredSince": "2026-10-03T00:45:05.000Z",
"topPayerShare": 0.073,
"distinctPayers": 137
},
"method": "USDC Transfer events on Base whose recipient is this address, indexed continuously by 402api from eth_getLogs (every incoming USDC transfer counts, not only x402 settlements; amounts in USD at 1 USDC = $1)",
"indexed": true,
"last24h": {
"complete": true,
"payments": 1930,
"totalUsd": 409.22096,
"medianUsd": 0.005,
"coveredSince": "2026-10-09T00:45:05.000Z",
"topPayerShare": 0.29,
"distinctPayers": 17
},
"firstPaymentSeen": "2026-10-03T00:45:15.000Z",
"indexedThroughBlock": 52401878
}
}
}
}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, "seller check on tokencheck.402api.dev", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/tokencheck-402api-dev-v1-seller-check-ecff1c/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-tokencheck-402api-dev-v1-seller-check-ecff1c-2026-10-13T14-08Z,
author = {TOLL},
title = {seller check on tokencheck.402api.dev},
howpublished = {\url{https://tollindex.com/e/tokencheck-402api-dev-v1-seller-check-ecff1c/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.