{
 "name": "Open Library Subjects API",
 "slug": "open-library-subjects-api",
 "category": "books-apis",
 "description": "Books by subject.",
 "url": "https://openlibrary.org/dev/docs/api/subjects",
 "docs_url": "https://openlibrary.org/dev/docs/api/subjects",
 "auth": "none",
 "pricing": "free",
 "http_status": null,
 "last_checked_at": "2026-10-14",
 "status": "active",
 "category_name": "Books & Ebooks",
 "swarmnest_url": "https://swarmnest.ai/directory/books-apis/open-library-subjects-api/"
}