Find an API

Search public APIs with auth details & Postman guides

← All APIs

ISBNdb API

isbndb · Data

Data No Auth Free & Open open_data

Definition of ISBNdb.com API

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Search all ISBNDB databases

Uses a free query string compatible with ElasticSearch 6 to search in any of the ISBNDB's databases

https://api.apis.guru/v2/specs/isbndb.com/1.0.1/search?q=test

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/search?q=test"
import requests
params = {
    "q": "test"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/search",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/isbndb.com/1.0.1/search');
url.searchParams.set('q', 'test');

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/isbndb.com/1.0.1/search")
	q := baseURL.Query()
	q.Set("q", "test")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/isbndb.com/1.0.1/search")
uri.query = URI.encode_www_form({
  "q" => "test"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/search?" . http_build_query([
    "q" => "test"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
GET Gets status on the ISBNDB Database

Returns a status object about the ISBNDB database.

https://api.apis.guru/v2/specs/isbndb.com/1.0.1/stats

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/stats"
import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/stats",
)
print(response.json())
const url = 'https://api.apis.guru/v2/specs/isbndb.com/1.0.1/stats';

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/stats"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/isbndb.com/1.0.1/stats")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/stats";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
GET Gets author details

Returns the name and a list of books by the author.

https://api.apis.guru/v2/specs/isbndb.com/1.0.1/author/{name}?page=1&pageSize=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/author/{name}?page=1&pageSize=example"
import requests
params = {
    "page": "1",
    "pageSize": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/author/{name}",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/isbndb.com/1.0.1/author/{name}');
url.searchParams.set('page', '1');
url.searchParams.set('pageSize', 'example');

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/isbndb.com/1.0.1/author/{name}")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("pageSize", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/isbndb.com/1.0.1/author/{name}")
uri.query = URI.encode_www_form({
  "page" => "1",
  "pageSize" => "example"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/isbndb.com/1.0.1/author/{name}?" . http_build_query([
    "page" => "1",
    "pageSize" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗
  1. See official documentation for authentication and setup.

What can you build with ISBNdb API?

ISBNdb API is a Data API. Developers commonly use data APIs for:

  • enriching your app with third-party datasets
  • building data pipelines and ETL workflows
  • querying and searching large datasets
  • powering research, analysis, and reporting tools
  • syncing reference data into your own systems

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. ISBNdb API is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗