passlisted in Coinbase#6 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
- 2
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-10-13 04:49 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.0025 USDC
- Networks
- 2
How has the volume on this endpoint moved?
spark, a POST endpoint on penny402.fun, appears in the Coinbase registry; TOLL's taxonomy puts it in inference.
A call to spark costs 0.0025 USDC on Base, as declared.
Requests carry a json body with the field topic.
spark accepts payment on Base and Solana, 2 options in all, to 2 different wallets.
A response from spark, as declared, includes model, spark, topic and mechanic.
At the sweep of 2026-10-29 it returned a valid payment challenge, as at every sweep since 2026-09-11.
spark shares penny402.fun with 9 other listed endpoints and is tied 6th by calls with 3 others.
spark takes 6% of the calls counted across penny402.fun.
The registry's counters give spark 2 calls and 2 unique payers over 30 days, every call from a different payer.
The last call to spark came on the day of the snapshot, 2026-10-13.
Closest in price to spark within inference: llm llama at x402-gateway-production.up.railway.app and chat completions at agent402.tools.
spark is among the cheapest in inference; 6% of comparable listings ask less.
The wallet paid by spark is the payee of 10 endpoints on one host.
Seller tags: x402, fun, novelty and creativity.
spark dropped out of the registry at the pull of 2026-10-02 and was listed again on 2026-10-09.
the payment options, as of 2026-10-13 14:08 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 2026-10-29 05:44 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-29 05:44 UTC | pass | 0 | daily-2026-10-29 |
| 2026-10-28 06:09 UTC | pass | 0 | daily-2026-10-28 |
| 2026-10-27 06:03 UTC | pass | 0 | daily-2026-10-27 |
| 2026-10-26 11:24 UTC | pass | 0 | daily-2026-10-26 |
| 2026-10-24 20:45 UTC | pass | 0 | daily-2026-10-24 |
| 2026-10-23 05:54 UTC | pass | 0 | daily-2026-10-23 |
| 2026-10-22 04:08 UTC | pass | 0 | daily-2026-10-22 |
| 2026-10-21 07:33 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-20 07:27 UTC | pass | 0 | daily-2026-10-20 |
| 2026-10-19 05:36 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-18 07:53 UTC | pass | 0 | daily-2026-10-18 |
| 2026-10-17 17:51 UTC | pass | 0 | daily-2026-10-17 |
| 2026-10-16 04:07 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 05:40 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 04:06 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 08:30 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 05:50 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 04:11 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 09:23 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-01 06:26 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 05:44 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 18:05 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 03:58 UTC | pass | 0 | daily-2026-09-28 |
| 2026-09-25 19:40 UTC | pass | 0 | daily-2026-09-25 |
| 2026-09-23 05:23 UTC | pass | 0 | daily-2026-09-23 |
| 2026-09-22 05:32 UTC | pass | 0 | daily-2026-09-22 |
| 2026-09-21 05:56 UTC | pass | 0 | daily-2026-09-21 |
| 2026-09-20 18:35 UTC | pass | 0 | daily-2026-09-20 |
| 2026-09-19 03:57 UTC | pass | 0 | daily-2026-09-19 |
| 2026-09-18 08:49 UTC | pass | 0 | daily-2026-09-18 |
| 2026-09-17 03:57 UTC | pass | 0 | daily-2026-09-17 |
| 2026-09-16 03:57 UTC | pass | 0 | daily-2026-09-16 |
| 2026-09-15 03:56 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 03:55 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 03:55 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 06:10 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 09:35 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- back in Coinbase
- absence from Coinbase confirmed, rule v1
- absent from Coinbase at this pull
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-10-13 04:49 UTC · method · live
The input and output block
{
"input": {
"body": {
"topic": "a caching layer nobody wants to own"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "text",
"format": "application/json",
"example": {
"model": "google/gemma-3-12b-it",
"spark": "One vivid sentence, written for you a moment ago, aimed at the topic you sent.",
"topic": "a caching layer nobody wants to own",
"mechanic": "written live by google/gemma-3-12b-it at temperature 1.15, top_p 0.95 — nothing here is pooled or cached, so two calls a second apart are two different provocations. Your topic, if you sent one, reached the model as its own message rather than inside these instructions."
}
}
}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, "spark on penny402.fun", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/penny402-fun-spark-0c9ba1/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-penny402-fun-spark-0c9ba1-2026-10-13T14-08Z,
author = {TOLL},
title = {spark on penny402.fun},
howpublished = {\url{https://tollindex.com/e/penny402-fun-spark-0c9ba1/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.