GET /isbn/{isbn}.json
openlibrary.org:open-library-api
Summary: Get book by ISBN
Operation ID: getBookByIsbn
Auth: none
Operation ID: getBookByIsbn
Auth: none
Description
Retrieve book information by ISBN (International Standard Book Number). Returns work data including title, authors, subjects, and cover images.
Parameters (1)
isbn
(string, path, required)
ISBN-10 or ISBN-13 of the book
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| Get book by ISBN | openapi-spec |
https://openlibrary.org/isbn/9780140328721.json |
|
| Get book by ISBN | openapi-spec |
https://openlibrary.org/isbn/9780141439600.json |
|
| Get book by ISBN | openapi-spec |
https://openlibrary.org/isbn/9780141439518.json |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:49:16.683510 | 200 | 924ms | |
| 2026-03-23 10:21:40.077731 | 200 | 1917ms | |
| 2026-03-23 09:33:21.521508 | 200 | 862ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 10:21:40.077731 | 1cc3d58f3f66 |
6e3d45427635 |
| 2026-03-23 10:49:16.683510 | 6e3d45427635 |
5c06c441c0ea |