passlisted in Coinbase#2 by calls of 177 on this host
0.01 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
- 2026-10-11 04:02 UTC
- First observed by TOLLderived
- 2026-10-10
- Pricederived
- 0.01 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 2 times across 10 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's first observation of buy stack overflow was 2026-10-10.
underground.substratesymposium.com serves buy stack overflow, a GET endpoint that TOLL places in the "other" category, listed in the Coinbase registry.
Per call, buy stack overflow declares 0.01 USDC on Base.
buy stack overflow declares an input block that names no parameters.
The daily sweep got a valid payment challenge from buy stack overflow on 2026-10-21, as at every sweep since 2026-10-10.
buy stack overflow returns json; the example shows title, content, product and delivered_at.
For buy stack overflow the listing declares 2 accepts on Base and Solana, to 2 different wallets.
Of underground.substratesymposium.com's 177 listings, buy stack overflow ranks tied 2nd by calls with 170 others.
The registry's counters give buy stack overflow 2 calls and 2 unique payers over 30 days, every call from a different payer.
buy stack overflow was last called 2 days before the snapshot.
Closest in price to buy stack overflow within the "other" category: horror story at horrorstoryapi.vercel.app and tools research at win.oneshotagent.com.
buy stack overflow is priced above 55% of comparable listings in the "other" category.
The wallet paid by buy stack overflow is the payee of 179 endpoints across 2 hosts.
The price of buy stack overflow is declared by 1,086 other listings in the "other" category too.
the payment options, as of 2026-10-13 14:08 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0xA3bAbB…d18E08 |
| Coinbase | solana: | USDC | 0.01 USDC | exact | 5HK2dGaa…tX1tkN |
the checks, as of 2026-10-21 20:57 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-21 20:57 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-19 11:09 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-16 08:57 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 10:55 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 08:45 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 13:38 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 11:03 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 09:43 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 17:53 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-10 08:10 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 2026-10-11 04:02 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"title": "Stack Overflow",
"content": "Essay on recursion limits and overload for recognizing when you're stuck in loops.",
"product": "stack_overflow",
"delivered_at": "2026-04-24T10:00:00Z"
}
}
}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, "buy stack overflow on underground.substratesymposium.com", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/underground-substratesymposium-com-buy-stack-overflow-c0b910/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-underground-substratesymposium-com-buy-stack-overflow-c0b910-2026-10-13T14-08Z,
author = {TOLL},
title = {buy stack overflow on underground.substratesymposium.com},
howpublished = {\url{https://tollindex.com/e/underground-substratesymposium-com-buy-stack-overflow-c0b910/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.