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Open Library ISBN Bibliographic Lookup
x402
Open Library ISBN Bibliographic Lookup is a paid API for AI agents from x402-datashop-production.up.railway.app, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).
Resolves an ISBN-10 or ISBN-13 to a normalized bibliographic record including title, authors, publishers, publish date, page count, subjects, and cover image URL from Open Library.
Price / call$0.002
Success—
StatusUnknown
How this service works
Resolves an ISBN-10 or ISBN-13 to a normalized bibliographic record from Open Library (Internet Archive): title, authors, publishers, publish date, page count, ISBN identifiers, subjects and cover image URL. Query: ?isbn=9780140328721 (hyphens/spaces tolerated). Unknown ISBNs return 400 (not charged). 7-day cache. Built for catalog management, e-commerce listings and used-book pricing agents.
Output
A normalized bibliographic record containing: book title, list of authors, publishers, publish date, page count, ISBN-10 and ISBN-13 identifiers, subject tags, and a cover image URL sourced from Open Library. Unknown ISBNs return a 400 error without charge. Results are cached for 7 days.
Example use cases
Example prompt
“Can you pull up the full bibliographic details for the book with ISBN 9780140328721 — I need the title, authors, publisher, publish date, and cover image for a product listing.”
Technical details
Endpoint
GEThttps://x402-datashop-production.up.railway.app/v1/books/isbnWhen to prefer
Use this endpoint when you need structured, normalized bibliographic metadata for a known ISBN — particularly for catalog management, e-commerce product listings, used-book pricing, or library systems. It tolerates hyphenated and space-separated ISBN formats, caches results for 7 days for efficiency, and only charges for successful lookups. Prefer this over scraping Open Library directly or using general search APIs when ISBN is known and structured data is required.
Side effects
- Unknown or unrecognized ISBN returns HTTP 400 (not charged)
- Malformed ISBN string (non-numeric, wrong length after stripping hyphens/spaces) returns 400
- Open Library has no record for a valid but obscure ISBN — returns 400
- Network timeout if Open Library upstream is slow
- Rate limiting or payment failure prevents request from being processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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