How to use Catalog Matching for Amazon
Learn how to use Catalog Matching in your Amazon channel to match products to existing ASINs, review results, and handle unmatched items.
In this guide, we explain how to use the Catalog Matching feature in your Amazon channel to match your items to ASINs on Amazon.
Important: If enabling this feature on an existing channel (API), make sure to remove all categories before starting.
Before you start
You’ll need
An Amazon channel in Channable
No items categorized in the Categories step (if using Catalog Matching in an existing Amazon channel)
Good to know
You don’t need to activate your channel or link a seller account to use the catalog matching feature, however, this can improve the amount of matched items. You will also need to link it to receive information back from Amazon and publish your listings.
If you're missing required fields in the first step, you can fill them in by creating a new master rule group and adding rules to it.
Enable catalog matching
Go to the Settings step in [your Amazon channel].
Set the Listing requirement level to Add offers to existing Amazon listings.
At Catalog item matching, click the toggle to enable it. Additional fields will appear.
Fill in the required fields:
External ID number: Select the field that contains your product identifiers (e.g.
EAN,GTIN, orUPCnumbers).External ID type: Select the field containing the product identifier types you’re using (e.g.
EAN,GTIN, orUPC)
Important: make sure the External ID types use lowercase letters (like gtin instead of GTIN)
Note: If you don’t have a field containing your ID types, add a new one and fill it using a master rule.
Example Master rule
In the sidebar, go to Master rules.
Create a new rule group and give it a descriptive name (like 'Amazon catalog matching').
Click Continue. You will be directed to a Rules page.
Click Create rule.
Give your rule a descriptive name (e.g. 'Categorization - PRODUCT')
Click Create.
Create a rule to sort your items:
----
Example rule: assign EANs
If
idlength exceeds"[FILL LENGTH HERE]"Hover over the If part and click + > And.
For And, fill in
idlength doesn't exceed"FILL LENGTH HERE".For Then, map
[field containing ID type information]andset to value"ean".
----
Click Save rule.
Repeat and create new rules for any remaining ID types.

ASIN project field: Choose a project field to store ASIN information in.
If field is empty: Channable will fetch ASINs from Amazon and fill the field with those values.
If field contains values: Your ASINs will be used first, and we’ll fill in the rest.
Note: If you don’t have an empty project field to use to store your ASINs, you can add a new one.
For Exclude unmatched items, enable this if you only want to send items we could match with an ASIN.
Toggle on: Only items with an ASIN are included
Toggle off: All items will be included
Click Save.
Review matches

In the Catalog matching step, you'll see an overview of which of your item IDs we could match to ASINs.
How to review:
Items are separated into three possible groups:
Matched: A 1:1 match found on Amazon.
Multiple matches: Several possible matches found.
No match: These items don't exist in Amazon catalog.
Note: We cover how to exclude items without matches from your channel setup in Step 7.
In the Amazon product title column, click on the links to view the matched Amazon listing page.
In the Source column, you can see whether the match was set using our system (
Channable) or from values you provided in the ASIN project field you selected in the previous step (User)
Review and adjust categories
You can skip this step if your items are all already placed in the PRODUCT category.
If your items have different categories, you'll need to remove any pre-categorized items and create a master rule to ensure all items fall under the same PRODUCT category.
Example master rule

Go to Master rules step. In the rule group you created in Step 1, click Rule > Create rule.
Give your rule a descriptive name (e.g. 'Categorization - PRODUCT')
Click Create.
Leave the condition (IF) as If
allFor the action (Then), click the dropdown after 'take' and select Internal fields > Category.
after 'and', select
set to value. In the text box that appears, write 'PRODUCT' in all caps.Click Save rule.
Map shared attributes
Go to the Build step and click the Shared attributes tab.
Map any remaining fields marked Required by marketplace.
These remaining fields should be related to:
Price
Condition (e.g. new, used)
Compliance
Stock
Shipping promise
Check and map any remaining fields mapped as Recommended to see if they apply to your setup.
Click Save.
Test your setup
Testing your channel setup helps you check your channel setup and listings with Amazon before you publish them.
To test your setup, click Test channel setup.
You can review your feedback in the Feedback tab in the Results step.
I see 8541 OR 13013 errors
Check the whether your channel meets the right conditions:
You only have one category -
PRODUCT. You can check this in the Attributes per category tab in the Build step.The Quantity attribute has a relevant field or value mapped to it.
The Condition attribute has a relevant field or value mapped to it.
If your channel meets the above conditions persist after 48 hours, there may be listing restrictions on the ASIN. If you aren't sure, contact our Support team.
Tip: You can test your setup as many times as needed.
Handle unmatched items
If some items didn't have an ASIN match, we can exclude them from your channel and set up a new List and sell new items channel with them.
To list these:
In the channel you just set up, go to the Catalog matching step and click on the No match tab.
Click Download as CSV.
Create a new Amazon channel with the listing requirement level List and sell new items.
Import your items into your channel.
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