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Books & Libraries
Book metadata, library catalogs and public-domain texts.
JSON: /api/v1/directory.json (filter on category=books-library)
Open Library API
One webpage for every book ever published!
FreeNo authGoogle Books API
Book search and metadata.
FreeAPI keyProject Gutenberg (Gutendex)
JSON API for Gutenberg books.
FreeNo authLibrary of Congress API
Digital collections.
FreeNo authHardcover API
GraphQL book tracking API.
FreeAPI keyISBNdb
ISBN metadata.
PaidAPI keyHathiTrust Bibliographic API
Digital library metadata.
FreeNo authDPLA API
Digital Public Library of America.
FreeAPI keyStandard Ebooks
Quality public domain ebooks.
FreeNo authInternet Archive Books
Free books archive.
FreeNo auth