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ISBN Search by Open Library
Book data by ISBN.
Visit ISBN Search by Open LibraryDocs
| Category | Library Catalogs & Archives |
|---|---|
| Authentication | No auth |
| Pricing | Free |
| Website | https://openlibrary.org/dev/docs/api/books |
| Docs | https://openlibrary.org/dev/docs/api/books |
| Last checked | 2026-10-14 |
| As JSON | /api/v1/directory/isbn-search-by-open-library.json |
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