A Product Identifier, also known as a Product ID, is a standardized numerical value. Fillz supports the following types of Product IDs:
- ISBN - International Standard Book Number. Intended to uniquely identify books. For more information, click here.
- EAN - International Article Number (also known as the European Article Number). Click here for details.
- UPC - Universal Product Code. Click here for details.
- ASIN - Amazon Standard Identification Number. This is a unique identification code assigned by Amazon to items that are not recognized in Amazon's Catalog. These alpha-numeric signifiers are always comprised of 10 characters. For more information, click here.