faillisted in Coinbase#62 by calls of 396 on this host
0.001 USDC
per call, as the listing declares it on solana:
- Validation state
- fail
- Uptime, 7 / 30 / 90 days
- 0% / 0% / 0%
- Calls, trailing 30 days
- 2
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-25 20:54 UTC
- First observed by TOLLderived
- 2026-09-25
- Pricederived
- 0.001 USDC
- Networks
- 4
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 21 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.
On 2026-09-30 it answered HTTP 400 rather than 402; TOLL records that as a failure.
TOLL files books isbn under media: a GET endpoint on saylorinnovations.com, listed in the Coinbase registry.
Per call, books isbn declares 0.001 USDC on Solana.
The listing describes the request as the path parameter isbn.
For books isbn the listing declares 6 accepts on Solana, Base, Polygon and Arbitrum, to 2 different wallets.
books isbn returns json; the example shows isbn, cover, found, pages, title, authors and 2 others.
books isbn drew 2 calls from one payer in the trailing 30 days.
The last call to books isbn came 5 days before the snapshot, 2026-09-25.
books isbn is one of 396 listed endpoints on saylorinnovations.com, tied 62nd by calls with 304 others among them.
books isbn is the cheapest of 577 comparable listings in media; none asks less.
Closest in price to books isbn within media: audio transcriptions at x402.aispace.bot and word of the day at x402wordoftheday.vercel.app.
For 1 of the options on books isbn, TOLL has no verified decimals and shows the raw amount.
The wallet paid by books isbn is the payee of 397 endpoints on one host.
Seller tags: books, isbn, open-library and literature.
The price of books isbn is declared by 54 other listings in media too.
the payment options, as of 2026-09-30 22:14 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | solana: | USDC | 0.001 USDC | exact | 7LSjfrJf…vXacy7 |
| Coinbase | solana: | USDT | 0.001 USDT | exact | 7LSjfrJf…vXacy7 |
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0xA2A8dF…9fc8aa |
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0xA2A8dF…9fc8aa |
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0xA2A8dF…9fc8aa |
| Coinbase | solana: | So111111…111112 | 7944 smallest units, decimals unknown | exact | 7LSjfrJf…vXacy7 |
the checks, as of 2026-09-30 08:43 UTC · method · pinnableendpoint answered HTTP 400
returns_402· an unauthenticated request gets HTTP 402
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-30 08:43 UTC | fail | 1 | daily-2026-09-30 |
| 2026-09-29 20:49 UTC | fail | 1 | daily-2026-09-29 |
| 2026-09-25 19:25 UTC | fail | 1 | new-after-daily-2026-09-24 |
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 2026-09-25 20:54 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"isbn": "9780441013593"
}
},
"output": {
"type": "json",
"example": {
"isbn": "9780441013593",
"cover": "https://covers.openlibrary.org/b/id/12345-L.jpg",
"found": true,
"pages": 528,
"title": "Dune",
"authors": [
"Frank Herbert"
],
"subjects": [
"Science fiction"
],
"published": "2005",
"publishers": [
"Ace Books"
],
"description": "Set on the desert planet Arrakis..."
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-30 22:14 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "books isbn on saylorinnovations.com", snapshot of 2026-09-30 22:14 UTC. https://tollindex.com/e/saylorinnovations-com-api-books-isbn-isbn-c1e440/at/2026-09-30T22-14Z. Accessed [access date].
BibTeX
@misc{toll-e-saylorinnovations-com-api-books-isbn-isbn-c1e440-2026-09-30T22-14Z,
author = {TOLL},
title = {books isbn on saylorinnovations.com},
howpublished = {\url{https://tollindex.com/e/saylorinnovations-com-api-books-isbn-isbn-c1e440/at/2026-09-30T22-14Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-30 22:14 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.