ISBN Tools API Documentation

The ISBN Tools API provides a simple and easy-to-use interface for retrieving ISBN metadata by ISBN-10, ISBN-13, ASIN, or EAN. Power your app with ISBN Tools API. Fast, reliable, and developer-friendly.

To try out the ISBN Tools API, see the API Documentation

To learn more about the API and how it works, see the API Information

API Documentation API Information

ISBN Tools API Request CURL Example

curl -X 'GET' \
  'https://www.isbnlab.com/api/isbn/isbn-lookup/9780765302304' \
  -H 'accept: application/ld+json'
  -H 'Authorization: Bearer {API_TOKEN}'

ISBN Tools API Response Example

{
  "@context": "/api/contexts/ISBN%20Tools%20API",
  "@id": "/api/isbn/isbn-lookup/9780765302304",
  "@type": "ISBN Tools API",
  "id": "9780765302304",
  "isbn10": "0765302306",
  "isbn10Formatted": "0-7653-0230-6",
  "isbn13": "9780765302304",
  "isbn13Formatted": "978-0-7653-0230-4",
  "ean": "9780765302304",
  "asin": "0765302306",
  "prefix": "978",
  "registrationGroup": "0",
  "registrationGroupName": "English language",
  "groupIdentifier": "978-0",
  "registrant": "7653",
  "publication": "0230",
  "checkDigit": "4"
}

ISBN Tools API Response Definition Model

{
  "@context": "string",
  "@id": "string",
  "@type": "string",
  "id": "string",
  "isbn10": "string",
  "isbn10Formatted": "string",
  "isbn13": "string",
  "isbn13Formatted": "string",
  "ean": "string",
  "asin": "string",
  "prefix": "string",
  "registrationGroup": "string",
  "registrationGroupName": "string",
  "groupIdentifier": "string",
  "registrant": "string",
  "publication": "string",
  "checkDigit": "string"
}