Pricing

Pay per usage

Book & ISBN Catalog - Open Library + Gutenberg Lookup

Resolve ISBNs, titles or authors to clean book records — publisher, editions, subjects, covers, and public-domain download links.

Pricing

Pay per usage

Rating

0.0

(0)

Developer

angel nguyen

Actor stats

Bookmarked

Total users

Monthly active users

a day ago

Last modified

Categories

E-commerce

Other

ISBNs

isbns

Optional

ISBN-10 or ISBN-13. Hyphens and spaces are stripped. The most precise input — resolves to exactly one edition.

Type:array

Default:

[]

Titles

titles

Optional

Free-text title search against Open Library.

Type:array

Default:

[]

Authors

authors

Optional

Free-text author search against Open Library.

Type:array

Default:

[]

Attach Project Gutenberg matches

includeGutenberg

Optional

Also query Gutendex for a public-domain match and attach download links plus download_count (a real popularity signal). Gutendex is the fully robots-clean source; leaving this on is recommended.

Type:boolean

Default:true

Gutenberg only (strict robots-clean mode)

gutenbergOnly

Optional

Skip Open Library entirely and use only Gutendex, whose robots.txt explicitly allows this. Open Library's robots.txt disallows /search and /api — see RESPONSIBLE-USE.md. Turning this on removes that flag at the cost of non-public-domain coverage.

Type:boolean

Default:false

Results per query

limit

Optional

Max results per title/author query. Ignored for ISBN lookups, which return one edition each.

Type:integer

Minimum:1

Maximum:100

Default:10

Language filter

language

Optional

Optional ISO-639-2 code, e.g. 'eng'. Leave blank for no filter.

Type:string

Default:

Max concurrency

maxConcurrency

Optional

Kept low on purpose: a 30-request burst to Open Library measured 2x HTTP 429 and a connection reset, at a 1.76s median. Raising this will get you throttled, not served faster.

Type:integer

Minimum:1

Maximum:5

Default:2

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Bulk-enrich ISBNs with full Open Library metadata: title, authors, publishers, subjects, ratings, reading-status counts, and cross-reference identifiers (Goodreads, LibraryThing, LCCN, OCLC, Wikidata). Accepts up to thousands of ISBNs in a single run.

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4.9

(4)

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Extract book metadata from Open Library's catalog of 20+ million books. Search by title, author, subject, or ISBN. Get cover images, ratings, edition counts, and publication data. Perfect for publishers, bookstores, libraries, app developers, and researchers.

Ben

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Book Metadata Scraper uses the Open Library API to collect detailed book data by query. It extracts title, author, ISBN, publisher, publish year, pages, categories, ratings, description, cover image, and preview link. Outputs structured JSON for catalogs, apps, and research use.

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