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Book Search via Open Library
x402
Book Search via Open Library is a paid API for AI agents from bess-x402.onrender.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-30).
Search for books by title, author, or ISBN and retrieve rich metadata including authors, publication year, editions, page count, ISBNs, subjects, publishers, languages, rating, and cover image.
Price / call$0.002
Success—
StatusUnknown
How this service works
Find books by title, author or ISBN (Open Library): authors, first publication year, editions, pages, ISBNs, subjects, publishers, languages, rating and cover image. Use for book lookups, reading lists or metadata.
Output
Returns a list of matching books (up to the specified limit), each with fields such as title, authors, first publication year, edition count, page count, ISBNs, subjects, publishers, languages, community rating, and a cover image URL — sourced from Open Library.
Example use cases
Reading list enrichment with metadata
“I'm building a reading list — can you search for 'Dune' by Frank Herbert and give me the publication year, page count, subjects, and a cover image so I can display it nicely?”
ISBN-based book identification
“I have this ISBN: 9780747532743 — can you look it up and tell me the full title, author, publisher, and how many editions exist?”
Author bibliography research
“Search for books by Ursula K. Le Guin and return up to 20 results with their titles, publication years, and ratings so I can explore her bibliography.”
Technical details
Endpoint
GEThttps://bess-x402.onrender.com/v1/research/books?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need rich, structured book metadata (authors, editions, subjects, ratings, cover images) sourced from the Open Library catalog. Ideal for building reading lists, book discovery features, bibliography tools, or any workflow requiring detailed bibliographic data by title, author, or ISBN. Not suitable for ebook downloads, purchasing, or real-time library availability checks.
Side effects
- No results found for obscure or misspelled titles/authors — returns empty list
- ISBN not recognized in Open Library database — returns empty result
- Rate limiting or service downtime on the Open Library backend — may return error or timeout
- Incomplete metadata for some books — certain fields (e.g. page count, rating) may be null if not catalogued
- Limit parameter out of range (must be 1–50) — may return validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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