passlisted in Coinbase#4 by calls of 10 on this host
0.0025 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
- 4
- Unique payers, trailing 30 days
- 3
- Last called
- 2026-09-14 19:51 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.0025 USDC
- Networks
- 2
How has the volume on this endpoint moved?
At penny402.fun, koan takes POST requests, is listed in the Coinbase registry, and falls under market data by TOLL's rules.
On Base, koan asks 0.0025 USDC per call.
koan declares an input block that names no parameters.
2 payment options span Base and Solana, to 2 different wallets.
koan returns text; the example shows date, koan, payer and mechanic.
The daily sweep got a valid payment challenge from koan on 2026-09-16, as at every sweep since 2026-09-11.
Of penny402.fun's 10 listings, koan ranks tied 4th by calls with 1 other.
It accounts for 12% of the calls counted across the host.
koan drew 4 calls from 3 unique payers in the trailing 30 days.
The last call to koan came 2 days before the snapshot, 2026-09-14.
Closest in price to koan within market data: kol sentiment at x402.ottoai.services and price btc usd at vibesprings.net.
koan is priced above 16% of comparable listings in market data.
Across market data, 5,141 endpoints carry counters and koan out-counts 70% of them.
The wallet paid by koan is the payee of 10 endpoints on one host.
The seller's tags on koan are x402, fun, novelty and creativity.
the payment options, as of 2026-09-16 21:17 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.0025 USDC | exact | 0x9d0bb5…bB2FFe |
| Coinbase | solana: | USDC | 0.0025 USDC | exact | HiQDSev6…BFKJrw |
the checks, as of 2026-09-16 04:22 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-16 04:22 UTC | pass | 0 | daily-2026-09-16 |
| 2026-09-15 04:20 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:17 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:16 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 06:32 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 10:01 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 2026-09-14 19:51 UTC · method · live
The input and output block
{
"input": {
"body": {},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "text",
"format": "application/json",
"example": {
"date": "2026-09-14",
"koan": "One short oblique line about the work, drawn for your address and this date.",
"payer": "0x0000000000000000000000000000000000000000",
"mechanic": "drawn from this UTC date's pool, indexed by the `payer` above — that field is the exact key, and the same key draws this same koan until midnight UTC, then a new one. It is a koan: it resolves nothing on purpose."
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-16 21:17 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "koan on penny402.fun", snapshot of 2026-09-16 21:17 UTC. https://tollindex.com/e/penny402-fun-koan-2edf23/at/2026-09-16T21-17Z. Accessed [access date].
BibTeX
@misc{toll-e-penny402-fun-koan-2edf23-2026-09-16T21-17Z,
author = {TOLL},
title = {koan on penny402.fun},
howpublished = {\url{https://tollindex.com/e/penny402-fun-koan-2edf23/at/2026-09-16T21-17Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-16 21:17 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.