Directory / saylorinnovations.com
saylorinnovations.com/api/books/isbn/:isbn working · terms unchecked
https://saylorinnovations.com/api/books/isbn/:isbn
Before you pay
- Advice
ok_terms_not_checked- Protocol
- x402 · http · GET
- Asks for
- 0.01 USDC on base
- Catalogue says
- 0.01 USDC
- Pays to
0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa- Last check
- 7 days ago · 716 ms · HTTP 400
- Detail
- answers HTTP 400 to an empty request; validates input before quoting a price
Reliability
- Uptime 24 h
- 0.0% (0 checks)
- Uptime 7 days
- 0.0% (0 checks)
- Uptime, 2 days observed
- 75.0% (signed daily)
- Listed by
- x402-bazaar
- First seen by alalanet
- 2026-11-05 22:10 UTC
Trust Score
Not scored yet: the score is recomputed once a day, and this listing has not been scored since its first check.
Payments
- Read on chain by alalanet
- 1,920 payments from 16 wallets, $19.24USDC on Base into this address since 2026-10-15; alalanet's own test wallet excluded
- Repeat payers
- 7 paid on two or more days
- Largest payer
- 70.2% of the payments
- Independent payers
- 9 of 16 countedalalanet read the wallets of the 10 largest payers: 1 funded by the seller, not counted; 0 joined to another payer (funded by it, or by the same address within 72 hours before both paid); 2 first funded within 72 hours before paying; the other 6 payers are not counted
This listing was first seen on 2026-11-05; payments before that day may be missing, so the figures are a lower bound.
- Catalogue says
- 3 calls from 3 payers in 30 daysthe catalogue's own counter (x402 Bazaar), not checked by alalanet
Description (from the catalogue, unverified)
ISBN-10 and ISBN-13 lookup - title, authors, publisher, publish date, pages, subjects and cover image
Signed history
| When | Statement | Log index |
|---|---|---|
| 2026-11-07 00:17 UTC | 99936ec9…305213 daily summary | 139940 |
| 2026-11-06 00:13 UTC | 67fa1c0f…9a1b5e daily summary | 48344 |
| 2026-11-05 23:20 UTC | 84b6ce5c…0cc0a6 status change | 1705 |
Verify any statement offline: how.
For agents and owners
JSON: https://alalanet.com/v1/services/rprhrcrjy4k4voku
Badge:
<a href="https://alalanet.com/s/rprhrcrjy4k4voku"><img src="https://alalanet.com/badge/rprhrcrjy4k4voku" alt="alalanet status"></a>
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