ISBNdb

by isbndb.com

Books and research Added on February 4th, 2011 Checked and working on November 8th, 2026

What it does

ISBNdb has data on tens of millions of books. Look books up by ISBN, title, author, publisher or subject, and get the title, authors, publisher, edition, binding, page count, synopsis, cover image and prices. Responses are JSON. Paid plans with a free trial.

API
HTTP-GET
JSON
REST

At a glance

API key: Needed, paid plans only
Pricing: Paid plans with a free trial.
From the browser: Yes (CORS)
Formats: JSON
Interface: REST, HTTP-GET
Provider: isbndb.com
Last checked: Working on November 8th, 2026

More information: https://isbndb.com/isbndb-api-documentation-v2

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Put this badge on your website or in your README; it links to this page. About the badge

HTML

<a href="https://free-web-services.com/web-services/documentation/isbndb.html"><img src="https://free-web-services.com/badge.svg" width="208" height="44" alt="Listed on Free Web Services" /></a>

Markdown

[![Listed on Free Web Services](https://free-web-services.com/badge.svg)](https://free-web-services.com/web-services/documentation/isbndb.html)

Example request

curl

curl 'https://api2.isbndb.com/book/9780134093413' \
  -H 'Authorization: YOUR_API_KEY'

JavaScript

const response = await fetch("https://api2.isbndb.com/book/9780134093413", {
  headers: {
    "Authorization": "YOUR_API_KEY",
  },
});
const data = await response.json();
console.log(data);

Python

import requests

response = requests.get(
    "https://api2.isbndb.com/book/9780134093413",
    headers={
        "Authorization": "YOUR_API_KEY",
    },
    timeout=30,
)
print(response.json())

Replace YOUR_API_KEY with your own key. The JavaScript works in a web page as well as in Node.js 18 or newer.