# Open Library

12 endpoints on Open Library. Every one returns the same response shape and has a flat, published price in credits.

Category: [Knowledge & reference](https://onekey.dev/docs/categories/knowledge.md) · [Overview page](https://onekey.dev/platforms/openlibrary)

## Endpoints

| Endpoint | What it does | Cost | Status |
| --- | --- | --- | --- |
| [`author`](https://onekey.dev/docs/api/openlibrary/author.md) | Open Library author. | 1 credit | stable |
| [`author_search`](https://onekey.dev/docs/api/openlibrary/author_search.md) | Search Open Library authors. | 5 credits | stable |
| [`author_works`](https://onekey.dev/docs/api/openlibrary/author_works.md) | Works of an Open Library author. | 5 credits | stable |
| [`cover_metadata`](https://onekey.dev/docs/api/openlibrary/cover_metadata.md) | Open Library cover image metadata (dimensions, source) by ISBN. | 1 credit | stable |
| [`edition`](https://onekey.dev/docs/api/openlibrary/edition.md) | Open Library edition by OLID. | 1 credit | stable |
| [`isbn`](https://onekey.dev/docs/api/openlibrary/isbn.md) | Open Library edition by ISBN. | 1 credit | stable |
| [`search`](https://onekey.dev/docs/api/openlibrary/search.md) | Search Open Library books. | 5 credits | stable |
| [`subject`](https://onekey.dev/docs/api/openlibrary/subject.md) | Works on an Open Library subject. | 5 credits | stable |
| [`work`](https://onekey.dev/docs/api/openlibrary/work.md) | Open Library work (a book across all its editions). | 1 credit | stable |
| [`work_editions`](https://onekey.dev/docs/api/openlibrary/work_editions.md) | Editions of an Open Library work. | 5 credits | stable |
| [`work_ratings`](https://onekey.dev/docs/api/openlibrary/work_ratings.md) | Reader rating summary of an Open Library work. | 1 credit | stable |
| [`work_shelves`](https://onekey.dev/docs/api/openlibrary/work_shelves.md) | Reader shelf counts (want to read, reading, read) of a work. | 1 credit | stable |

Every endpoint page has a **Field mapping** section showing which source field becomes which [unified field](https://onekey.dev/docs/schema.md) (fixed schema) or platform-specific `ext.` field.