passlisted in Coinbase#13 by calls of 43 on this host
0.003 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
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-08-19 03:41 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.003 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 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.
quartermaster.surewhynot.app lists 43 endpoints; payment proof is tied 13th by calls with 30 others.
Requests carry the query parameters hash, payTo and amount.
A response from payment proof, as declared, includes checks and verdict.
payment proof drew a single call from a single payer in the trailing 30 days.
The last call to payment proof came 28 days before the snapshot, 2026-08-19.
A call to payment proof costs 0.003 USDC on Base, as declared.
Of the calls counted across quartermaster.surewhynot.app, payment proof takes 1%.
payment proof accepts payment on Base and Solana, 2 options in all, to 2 different wallets.
At quartermaster.surewhynot.app, payment proof takes GET requests, is listed in the Coinbase registry, and falls under identity by TOLL's rules.
payment proof answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
Closest in price to payment proof within identity: ens at chain.cyberwarex.com and paid x402 facilitator health at api.oblique.markets.
payment proof is priced above 15% of comparable listings in identity.
Its payee wallet receives for 43 listed endpoints on one host.
The seller's tags on payment proof are x402, settlement, verification and receipt.
Exactly this price appears on 53 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 | 0.003 USDC | exact | 0x525366…1019cb |
| Coinbase | solana: | USDC | 0.003 USDC | exact | FgcKNzsB…snzXfa |
the checks, as of 2026-09-15 05:35 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 05:35 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 05:09 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 05:05 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 07:21 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 11:04 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 2026-08-19 03:41 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"hash": "0x06be01596be1cb68d9b12a33946d2228a82eeb31016ab237825cec547017095f",
"payTo": "0xc2a3...4083",
"amount": "0.001"
}
},
"output": {
"type": "json",
"example": {
"checks": {
"amount_matches": true,
"onchain_success": true,
"paid_to_expected_wallet": true
},
"verdict": "verified"
}
}
}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, "payment proof on quartermaster.surewhynot.app", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/quartermaster-surewhynot-app-v1-payment-proof-7a99a0/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-quartermaster-surewhynot-app-v1-payment-proof-7a99a0-2026-09-15T16-57Z,
author = {TOLL},
title = {payment proof on quartermaster.surewhynot.app},
howpublished = {\url{https://tollindex.com/e/quartermaster-surewhynot-app-v1-payment-proof-7a99a0/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.