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agenttoll.dev ISBN Book Lookup
x402
agenttoll.dev ISBN Book Lookup is a paid API for AI agents from agenttoll.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Looks up book metadata and bibliographic information by ISBN-10 or ISBN-13 identifier
Price / call$0.02
Success—
StatusUnknown
How this service works
108+ receipt-backed x402 work products for AI agents. Clear prices, spend caps, buyer metadata, and structured results over Base USDC.
Output
Returns a JSON object containing bibliographic metadata for the book identified by the provided ISBN, typically including title, author(s), publisher, publication date, edition, and other available catalog information.
Example use cases
Verify academic citation details
“I have this ISBN from a paper's bibliography — 9780262033848 — can you pull up the full book info so I can verify the citation is correct?”
Enrich book inventory records
“I've got a list of ISBNs from our library catalog and I need to fetch the title, author, and publisher for ISBN 0-19-853400-1 to fill in the missing metadata.”
Identify unknown book from barcode
“I scanned the barcode on this old textbook and got ISBN 0471958697 — what book is this and who wrote it?”
Technical details
Endpoint
POSThttps://agenttoll.dev/paid/academic/isbnWhen to prefer
Use this endpoint when you need to resolve an ISBN to structured book metadata programmatically, especially in academic, research, or library contexts. Prefer this over web scraping or manual lookup when you need consistent structured output and are processing ISBNs at scale or within an automated agent workflow. It is a pay-per-call endpoint ($0.02 USDC) suited for on-demand lookups rather than bulk cataloging.
Side effects
- ISBN not found in database — returns empty or error response
- Malformed ISBN string (wrong length, invalid check digit) — validation error
- ISBN exists but metadata is sparse or incomplete
- Network timeout or service unavailability
- Payment failure via x402 protocol before request is processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| isbn | string | string ISBN-10 or ISBN-13 |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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