If you are new to selling on Amazon, then you might be confused about when to use the different Amazon UPC Codes, FNKSU Codes, ASINS, EANs, and GTINS.
Don’t worry, you’re not alone! All these different Amazon barcodes can even trip up experienced FBA sellers with Amazon constantly changing the rules.
Keep reading to learn about the latest Amazon barcode requirements. This will ensure you use the right type of code in the right place. We will also show you how to get GTIN exemption and where to buy UPC codes.
- Different Types of Amazon Barcodes
- Where to Buy UPC Codes for Amazon
- GTIN Exemption on Amazon for Bundles or Private Label
- Barcode Options for Amazon FBA Arbitrage and Wholesale Sellers
- Amazon Barcode Printing and Shipping Guide
- Amazon Barcodes FAQS
Different Types of Amazon Barcodes
First, let’s be clear about the different types of barcodes you will have to deal with.
What is a GTIN
A GTIN is the ‘Global Trade Item Number’ and is also referred to as a ‘Barcode’. It is the umbrella term for UPCs and EANs and is usually a numerical code between 12 and 14 digits. Each unique product should have its own unique GTIN.
What is a UPC Code
A UPC barcode number is a 12 digit Universal Product Code predominantly used in North America. When you register for a UPC number, you typically receive a scannable barcode.
You need a UPC barcode number so you can list a product on Amazon! This is mandatory. Amazon will not let you list an item without a valid Amazon UPC code (unless you successfully apply for GTIN exemption – please see below)!
What is an EAN Code
The EAN code is a 12 or 13 digit European Article Number. It’s basically the European equivalent of the UPC code. We strongly recommend you only obtain an EAN through the official GS1 authority for issuing EAN codes – GS1 UK website: www.gs1uk.org
What is an ISBN Code
The ISBN Code is the ‘International Standard Book Number’ and is either 10 or 13 digits in length, depending on when the book was published. All books published after January 1, 2007, have 13 digit ISBN codes.
What is an Amazon FNSKU Code
This is AMAZON’s own “UPC barcode” – the ‘Fulfillment Network Stock Keeping Unit’. They are Amazon’s way of tracking your product inside their warehouses, and this is what they scan and match to your listing ID.
FNSKUs are what you will print out on labels and apply to each product unit. If your product also has a scannable UPC barcode, you will need to affix the FNSKU barcode label OVER the UPC barcode so that it is covered entirely.
The FNSKU is unique to you as a seller and will always remain the same for a particular ASIN. So you can print excess FNSKU labels for inventory not yet sent to Amazon and they will remain valid until you delete the SKU from your inventory.
What is an Amazon ASIN Code
This is Amazon’s internal catalog number. Amazon Standard Identification Numbers (ASINs) are unique blocks of 10 letters and/or numbers that identify items. You can find the ASIN on the item’s product information page on Amazon and in the URL.
For books, the ASIN is the same as the ISBN number, but for all other products, a new ASIN is created when the item is uploaded to the Amazon catalog.
You will find an item’s ASIN on the product detail page alongside further details relating to the item, which may include information such as size, number of pages (if it’s a book), or number of discs (if it’s a CD).
For example, the ASIN for Hasbro’s “Monopoly” game is B01MU9K3XU.
Where to Buy UPC Codes for Amazon
With the changes made to the Amazon Terms of Service and the introduction of Brand Registry 2.0, we strongly recommend that you only use an official GS1 UPC code.
This will ensure that your brand name and company are directly associated with the UPC code purchased for your product.
Registering a GS1 code through GS1 is a cost of doing business. If you are not prepared to purchase a valid GS1 code for your branded products, consider NOT selling FBA Private Label until you are.
Can I Buy Cheap UPC Codes?
There are resellers of valid GS1 codes that are, in effect, “recycled” codes. These include companies such as ‘Nationwide Barcode‘ or ‘Speedy Barcodes‘.
“…invalid UPCs…may result in your selling privileges being permanently removed.”
Many Amazon sellers and (even those teaching courses about how to sell on Amazon!) make the mistake of buying these cheap UPC codes which have been recycled.
This is what Amazon themselves say:
“We verify the authenticity of product UPCs by checking the GS1 database. UPCs that do not match the information provided by GS1 will be considered invalid. We recommend obtaining your UPCs directly from GS1 (and not from other third parties selling UPC licenses) to ensure the appropriate information is reflected in the GS1 database.”
“Important: All invalid product UPC listings will be removed and may result in your ASIN creation or selling privileges being temporarily or permanently removed. For more information on licensing UPCs from GS1, see the GSI standard website.”
These UPC codes, from resellers such as Speedy Barcodes, are GS1 registered, but the problem is that they are NOT linked to your brand or company.
When you apply for Brand Registry for your FBA product, you will probably be rejected due to the fact that the code owner does not match your seller name.
This could also create problems with Amazon. They might close your listing down because of invalid GS1 codes, which is why we do not recommend doing it this way.
⛔ Warning – Proceed with caution and understand the risks involved in your business if you decide to purchase a cheap resold or recycled GS1 code from a third party!
Make Sure You Are the Registered Owner of the Barcode
You can check ownership of barcodes here – http://gepir.gs1.org
Here is an example of the Barcode for ASIN B003BFU4TI, the ‘HP CE285A 85A Black Original LaserJet Toner Cartridge’
This shows that the barcode for this product (0884420588689) is correctly registered to the owner – Hewlett Packard. They would have no problems getting brand registered as it is directly linked to their company.
We have tested many private label products and the registered owner in the GS1 database is usually completely different from the owner of the private label product.
These barcodes are most likely purchased on eBay and could lead to problems with Amazon in the future.
GTIN Exemption on Amazon for Bundles or Private Label
Yes, Amazon will allow you to list without a GTIN/UPC if you successfully apply for GTIN exemption.
If the product is not already in the Amazon catalog and does not already have a GTIN, you can apply. This can be a handmade product, wholesale product, your own private label, or a new bundle you have created.
If granted, the exemption will apply to a particular Amazon category and be open for between 30 – 90 days. If this lapses before you list your product, you will simply need to reapply.
Amazon Will Require the Following Information for GTIN Exemption
✅ A letter from the brand owner or manufacturer to confirm that the products do not have a GTIN. Or supply a list of sample products Amazon can review.
✅ Either a link to a website showing the products or you can upload a photo of the product.
Reasons Not to Apply for GTIN Exemption on Amazon?
If you are ever planning on selling outside of the Amazon platform, then we recommend you get a GS1 barcode.
Even if you start on Amazon, if your product is successful, then you may want to sell on eBay or other platforms, different websites, or even in retail stores.
If you only have an FNSKU, you are locked into Amazon. Also, not all categories are eligible for exemption.
Barcode Options for Amazon FBA Arbitrage and Wholesale Sellers
If you are doing arbitrage or wholesale, the products you are selling will most likely already have a barcode on the packaging. You have to use this barcode when listing the product on Amazon and most products will already exist in the Amazon catalog.
You simply have to match against the existing ASIN. If the product is definitely not in the catalog, then you will need to create a new listing with the barcode on the packaging.
If there is no barcode, then you should contact the wholesaler or manufacturer to get one.
Remember, you need to print the FNSKU label and stick it over the Barcode before sending your products to Amazon FBA. You can pay Amazon to attach the FNSKU labels.
Amazon Barcode Printing and Shipping Guide
Labeling Guidelines for Amazon FBA
You will need the FNSKU on your product packaging. We recommend you get your supplier to print it onto the packaging, which will save time and money labeling.
If this is not an option, then you need to print a label and attach it. If there is a UPC barcode, then this will need to be covered. You can pay Amazon to label them using their labeling service: FBA Label Service.
The FNSKU is automatically generated by Amazon and is DIFFERENT from the product SKU. The seller can either let Amazon create the product SKU automatically, or enter a custom SKU code.
Your product SKU is used purely for your own internal tracking and inventory management.
Be sure that your FNSKU labels are printed using the guidelines outlined by Amazon – they have rules! Read them here: Use an Amazon barcode to track inventory.
Amazon FBA Shipping Guidelines
The absolute BEST resource for this is Amazon themselves! They will tell you all you need to know. You can watch a series of useful videos here: FBA packing video tutorials.
There is also more great information on starting with Amazon FBA here – How To Sell On Amazon: A Beginners Guide.
“…barcodes from eBay… will definitely get rejected by Amazon,”
Do you have any more questions about Amazon Barcodes?
Please be sure to join our Amazon Facebook Group and get help from our friendly community of Amazon Sellers!
Amazon FBA Selling for Beginners & Pros – for people just starting their Amazon FBA journey, and pro sellers. 🤷♂️😎
Confused about selling on Amazon? Then read this guide – How To Sell On Amazon for Beginners: Ultimate Guide.
Amazon Barcodes FAQS
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