Home › Directory › Library Catalogs & Archives
Library Catalogs & Archives
National library, archive and digital library catalog APIs.
JSON: /api/v1/directory.json (filter on category=library-catalogs)
Library of Congress API
Digital collections.
FreeNo authHathiTrust Bibliographic API
Digital library metadata.
FreeNo authDPLA API
Digital Public Library of America.
FreeAPI keyWorldCat Search API
OCLC's catalog of library holdings worldwide.
PaidAPI keyEuropeana Search API
Search millions of European library and archive items.
FreeAPI keyInternet Archive Search
Search and metadata APIs for Internet Archive items.
FreeNo authOpen Library Search
Open Library's search and book data endpoints.
FreeNo authTrove API (National Library of Australia)
Australian library, archive and newspaper data.
FreeAPI keyLibrary of Congress Chronicling America
Digitised historic US newspapers.
FreeNo authKoha
Open-source integrated library system with REST API.
FreeAPI keyZ39.50 and SRU
Standard search protocols used by library catalogs.
FreeNo authISBN Search by Open Library
Book data by ISBN.
FreeNo authArchive-It
Web archiving service API.
PaidAPI keyOpen Library Bulk Data
Data dumps of Open Library.
FreeNo authHathitrust Data API
Digital library data.
FreeNo auth