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 02:17 UTC
- First observed by TOLLderived
- 2026-10-09
- 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.
buy black hole revelations shares underground.substratesymposium.com with 176 other listed endpoints and is tied 2nd by calls with 170 others.
buy black hole revelations declares an input block that names no parameters.
A response from buy black hole revelations, as declared, includes title, content, product and delivered_at.
buy black hole revelations drew 2 calls from 2 unique payers in the trailing 30 days, every call from a different payer.
buy black hole revelations was last called 2 days before the snapshot.
It is priced at 0.01 USDC on Base.
buy black hole revelations accepts payment on Base and Solana, 2 options in all, to 2 different wallets.
TOLL files buy black hole revelations under the "other" category: a GET endpoint on underground.substratesymposium.com, listed in the Coinbase registry.
buy black hole revelations answered the sweep of 2026-10-19 with a valid 402, as at every sweep since 2026-10-09.
Closest in price to buy black hole revelations within the "other" category: merchants at www.x402scan.com and world cup get schedule at machina.pay.zeroclick.io.
buy black hole revelations is priced above 55% of comparable listings in the "other" category.
The wallet paid by buy black hole revelations is the payee of 179 endpoints across 2 hosts.
The price of buy black hole revelations 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 2026-10-19 12:43 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-19 12:43 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-16 10:26 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 12:26 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 10:18 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 15:37 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 12:43 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 11:17 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 19:26 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-09 23:05 UTC | pass | 0 | new-after-daily-2026-10-09 |
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 02:17 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"title": "Black Hole Revelations",
"content": "Physics essay on information paradox and reality breakdown for processing fundamental limits.",
"product": "black_hole_revelations",
"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 black hole revelations on underground.substratesymposium.com", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/underground-substratesymposium-com-buy-black-hole-revelations-f76623/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-underground-substratesymposium-com-buy-black-hole-revelations-f76623-2026-10-13T14-08Z,
author = {TOLL},
title = {buy black hole revelations on underground.substratesymposium.com},
howpublished = {\url{https://tollindex.com/e/underground-substratesymposium-com-buy-black-hole-revelations-f76623/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.