Pricing

from $2.00 / 1,000 book queries

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Open Library Books API — search & ISBN lookup (no key)

Try for free

Book data from Open Library: search books by title/author, look up full details for an ISBN (authors, publisher, pages, subjects, cover), and search authors. Clean HTTP API + MCP, no key. Pay per query.

Pricing

from $2.00 / 1,000 book queries

Rating

0.0

(0)

Developer

Synthetic

Actor stats

Bookmarked

Total users

Monthly active users

15 hours ago

Last modified

The use case it was built for

Scan a barcode, get the book. Build a catalog, enrich a reading list, or let an agent answer "who wrote this?" and "what's it about?" — with clean, typed data and cover art, no key.

Sample output (`isbn`, 9780441013593)

{
  "ok": true, "isbn": "9780441013593", "title": "Dune",
  "authors": ["Frank Herbert"], "publishers": ["Ace"], "publishDate": "2005",
  "pages": 604, "subjects": ["Science fiction", "…"],
  "coverUrl": "https://covers.openlibrary.org/b/id/14565843-L.jpg",
  "olUrl": "https://openlibrary.org/isbn/9780441013593"
}

How to use

HTTP API (Standby): POST or GET /search, /isbn, /author. GET / returns help. Example: GET /isbn?isbn=9780451524935.
Normal run: pass { operation, ... }; results land in the dataset + key-value store.
MCP tool: expose it to your agent via Apify's MCP server.

Input

operation — search · isbn · author.
q / title / author — search terms. isbn — ISBN-10 or ISBN-13. limit — cap results.

Pricing

Per query from $0.004 (down to $0.0015 on higher tiers). One call = one query.

Wikipedia API — encyclopedic context for authors and works.

FAQ

Do I need a key? No — Open Library is open and keyless.

Do I get cover images? Yes — a cover-image URL is included (small/medium/large sizes available).

ISBN-10 or ISBN-13? Both work.

Notes & limits

Data from Open Library (openlibrary.org), a project of the Internet Archive. Coverage is broad but crowd-sourced; some editions have sparse metadata. Up to 50 results per call.

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