ISBN Converter API

API access requires a Business Plan.

The Business Plan allows you to create your own API keys and make requests to our high performance ISBN converter API.

Full Conversion

Endpoint: /v1/convert/{code}

Method: GET

Description: Convert a given code (ISBN-10, ISBN-13, EAN, ASIN, or UPC) to all other applicable formats.

Parameters:

• code - The code to convert (required). Can be ISBN-10, ISBN-13, EAN, ASIN, or UPC.
• key - API Key (required).

Response Fields:

• code - The original input code (or a normalized version if applicable).
• ean - EAN code, empty if not applicable.
• isbn13 - ISBN-13 code, empty if not applicable.
• isbn10 - ISBN-10 code, empty if not applicable.
• asin - ASIN code, empty if not found or not applicable.
• upc - UPC code, empty if not applicable.

Example Request:

https://api.isbnconverter.com/v1/convert/9780262033848?key=YOUR_API_KEY

Example Response:

{
	"code": "9780262033848",
    "ean": "9780262033848",
    "isbn13": "9780262033848",
    "isbn10": "0262033844",
    "asin": "0262033844",
    "upc": ""
}

Single Format Conversion

Endpoint: /v1/convert/{code}/{format}

Method: GET

Description: Convert a given code (ISBN-10, ISBN-13, EAN, ASIN, or UPC) to a single specified format. {format} can be one of: isbn10, isbn13, ean, upc, asin.

Parameters:

• code - The code to convert (required).
• format - The target format (required). Valid values: isbn10, isbn13, ean, upc, asin.
• key - API Key (required).

Response Fields:

• code - The original input code.
• format - The converted code in the specified format. Will be an empty string if not applicable.

Example Request:

https://api.isbnconverter.com/v1/convert/9798895653104/asin?key=YOUR_API_KEY

Example Response:

{
	"code": "9798895653104",
    "asin": "B0DZ1QT4JV"
}