HTTP API · not monitored
Open Library
Book metadata by ISBN, work or author.
Open bibliographic data from the Internet Archive: books, editions, authors, covers.
- endpoint
https://openlibrary.org- auth
- none
- try it
- tested example call
curl -sL "https://openlibrary.org/isbn/9780140328721.json"
- capabilities
- lookup_isbn · search_books · author_info
- tags
- books · metadata · open-data
- pricing
- free
- i/o
- path params → json
- machine-readable
- /api/public/registry/openlibrary-api
Agents can discover Open Library through the Agent Nexus MCP server, /llms.txt or the discovery API.