Amazon Ungating at Catalog Scale: Check Every ASIN at the PO and Again Before the Inbound

By Bernardo Campelo, Forbes Business Council E-Commerce Leader, Amazon SPN Certified provider, Amazon SP-API authorized partner, and Founder of PrepVia.

As of October 29, 2026, Amazon's help page on categories and products that require approval says your ability to sell a product may change if new restrictions are added to existing products, if your account receives performance notifications, if product safety or compliance requirements change, or if required insurance documentation expires or becomes invalid. For a distributor or wholesaler buying hundreds of ASINs at a time, that makes the approval check a purchasing control.

Amazon's overview of categories recommends checking whether a product requires approval before purchasing inventory. On a large catalog, one look is not enough: the answer you got when the purchase order went out describes the account on that day, and the freight may leave weeks later.

This guide covers the scale problem: checking every ASIN twice with Amazon's Listings Restrictions API, reading what it returns, building the file before you apply, and handling units that strand anyway. Shipment holds at processing are covered in our note on items that cannot be added to an FBA shipment; this one starts earlier, at the purchase order. The brand owner's side of the same screen, including No Wholesale Distribution brands, is in our post on brand owners on Amazon's approval screen.

Every rule, date and name below was checked on October 29, 2026 against Amazon's Seller Central help pages and selling guides, the Selling Partner API documentation and its model on GitHub, and Walmart Marketplace Learn, linked where they first appear. Open the live page before you act on a number.

Why One Approval Check Is Not Enough

Amazon's Selling Applications FAQ is plain about it: "As our catalog grows, we continuously make new determinations for which products should be restricted based on a number of factors." It adds that even a product you were already selling may be subject to new restrictions, either ones that require you to qualify or ones for which Amazon is not accepting applications at the moment. An approval is a fact about the day you checked, not a permanent attribute of the account.

Amazon places selling restrictions on five levels: individual ASINs, brands, brands within a specific category, categories and sub-categories. Its help page says "Some products require multiple approvals," and the FAQ gives the example: you might need an application for the brand in addition to the subcategory the brand is listed in.

An open category is not an open brand either. Amazon notes that many brands have their own restrictions beyond the category requirements, and that some products require brand approval regardless of the category conditions allowed; its example is Beauty, where the category allows new items but specific brands may require a separate brand approval. In practice, an approval answers the restriction you applied for. A new ASIN from a brand you are already approved for can still carry its own restriction or sit in a restricted subcategory, so it gets checked like any other.

Insurance belongs in the same picture. From November 2, 2026, sellers with products in categories with enhanced safety listing requirements must carry commercial liability insurance with USD 1 million in coverage per occurrence and in aggregate, regardless of their gross sales proceeds, under Amazon's commercial liability insurance requirements. Amazon lists missing insurance documentation among the reasons some products do not accept applications, and expired or invalid insurance documentation among the reasons an existing selling privilege can change. Our breakdown of the November 2 rule covers the policy itself.

"Approval is part of the buying decision. Before a large catalog moves, find out which ASINs the account is allowed to sell. Learning it at the dock means paying freight, prep and storage on units you can't sell."

Bernardo Campelo, Founder of PrepVia

Check One: At the Purchase Order, ASIN by ASIN

For a handful of products, Seller Central answers on screen. In Add Products, "Sell this product" means no approval is needed, "Apply to sell" means approval is required, and "Not Available" means the product can't be listed.

For a catalog, Amazon offers the Listings Restrictions API, version 2021-08-01, which checks whether any restrictions prevent you from creating a listing for an item in the Amazon catalog and, when approval is required, returns next-step links to pursue it. The API needs the Product Listing role, is available to sellers, and runs in the NA, EU and FE regions.

The check is per ASIN. In the API model Amazon publishes on GitHub, every call requires the ASIN, the seller ID and at least one marketplace ID, and only three parameters are optional: the condition type, a locale for the reason text and a product type. There is no call that checks a brand, or a brand plus a product type, without an ASIN.

The condition type filters the check, so an account that only buys new goods can limit the answer to new_new. The product type was added to the model in May 2026, and Amazon's reference for the call describes it this way: "When provided with the brand name, the API evaluates GTIN exemption restrictions in addition to brand restrictions for the specified product type."

The answer comes back per marketplace. Amazon's guide to the call says an empty list means there are no restrictions for that condition in that Amazon store; otherwise each restriction lists its reasons, and the guide says each reason carries a reason code:

Two cautions for anyone automating this. The model requires only a message on each reason, so a reason that arrives without a code goes to a person, not to a rule. And an empty list answers only the listing question: Amazon's FBA prohibited products page says FBA sellers must also comply with FBA-specific product restrictions, and that it is the seller's responsibility to know whether the products being shipped are regulated as dangerous goods.

Amazon's default rate limits for the call are 5 requests per second per account and application pair, with a burst of 10, and each marketplace ID in a request counts as a separate request. At that rate, 1,000 ASINs in one marketplace take 200 seconds, a little over three minutes.

The API can only check what is already in the catalog. For a product that has no ASIN yet, Amazon's advice is to search for similar products in Add a Product, because "Selling restrictions present for existing products similar to yours are likely to be present when you create your listing."

Reading the Results: One Product, Several Applications

The same brand can sit behind many results, and the response has no field for the level of a restriction (ASIN, brand or category). Sort the list yourself before anyone applies: by brand, by subcategory and by ASIN.

Amazon's help page puts the review at 2 to 7 business days after the documents are uploaded, and Apply to sell creates a draft on the Selling Applications dashboard. The file starts with purchase invoices and product photos, so a brand the account has never bought may need a first purchase; count both in the lead time.

One shortcut is off the table. Amazon's stranded inventory guide says "Sellers are not allowed to categorize items incorrectly to bypass Amazon category restriction processes," and its restricted products policy says listings miscategorized to circumvent its restrictions can lead to corrective actions, including the immediate termination of selling privileges. If a catalog tool suggests a different category to get past a gate, the answer is no.

The Approval File, Built Before You Apply

Amazon's help page lists what to prepare before applying: purchase invoices dated within 180 days, clear product photos showing all sides, brand authorization letters if applicable, safety certifications when required, and commercial liability insurance documentation for certain product categories. The FAQ adds that requirements vary by product and are listed on the application page itself, and that "If any information is missing or a requirement is not met, your request will be declined." A declined request can be resubmitted, but only with new documents.

Amazon's general approval pages give one invoice rule, the 180-day date; its beauty guide adds at least 10 units bought from authorized distributors, and its health and personal care and pet guides say the same for most products. Two of our posts cover the invoice in practice, not as Amazon rules: which name and address go on the bill-to and ship-to lines is in which address goes where in FBA, and how the invoice travels with the bill of lading and the packing list is in the wholesale prep workflow.

Keep one file per brand and check each invoice and letter date against the 180-day window on the day you expect to apply. Before an invoice goes into an application, check it against what was actually received: the quantity, the UPC and the supplier on the paper should match the units on the shelf. Amazon publishes no rule on this; it is a control for your own team.

Letters need the same care. Amazon's approval list asks for brand authorization letters "if applicable," and its guide to selling branded products wants one dated within 180 days, on the brand's letterhead and showing your name and address as they appear in your selling account. Amazon's separate letter of authorization page, written for sellers asked to prove they may use a trademark, lists the five terms every IP license submitted to Amazon must contain: licensor, licensee, grant, geographic scope and term.

That page also lists documents not accepted as a letter of authorization, including invoices, inventory documents, distribution rights and reseller agreements, and purchase orders, and it says Amazon may validate a letter by contacting the intellectual property owner. When appealing enforcement actions, it adds, sellers are typically required to provide invoices or letters of authorization to show their right to sell the products in question, so keep both in the file. A license agreement is a legal document, so have counsel review its terms.

Walmart runs its own approvals. Its prohibited products policy lists categories that require pre-approval before you can offer them, including luxury brands and select product types in personal care and beauty, pet and baby, and it says sellers must have the licensing rights to sell any branded products. A Walmart moderator on its seller forum points sellers to Seller Center, then Account, then Health and Compliance, then Restricted Categories, and says the process typically requires compliance information, regulatory documentation and verification that the products meet federal and Walmart Marketplace requirements. Treat it as a separate application with its own file.

Check Two: Before the Inbound Ships

The second check runs on the day the inbound is built, against the ASINs that are actually going into the shipment. Run the same call with the same marketplace and condition you used at the purchase order, compare the two results ASIN by ASIN, and take anything now restricted off the plan before cartons are labeled. The comparison is the point: a result that was clean at the purchase order and restricted now is the signal the first check could not give you.

"One of the biggest dangers for businesses today is the belief that “we already know how this works.”"

Bernardo Campelo, in a Forbes Business Council article, March 20, 2026

Amazon gives a concrete reason to run it. Its help page on fixing stranded inventory, which Amazon says it no longer updates, tells sellers not to send more units of an ASIN that has units stranded in a fulfillment center, and says a shipment that includes one will not be processed. The restrictions call does not report stranded units, so the second check also runs the inbound's ASIN list against the Fix stranded inventory tool in Seller Central before cartons are labeled.

In an enhanced-safety category, the same check confirms that the insurance certificate on file is current, and Amazon's page on those categories also requires third-party testing for the ASINs it notifies. If Amazon holds the shipment at processing anyway, the reasons it gives are in our note on items that cannot be added to an FBA shipment.

When Units Strand Anyway: Reason Codes and Removal Clocks

If an approval requirement lands after units are in an Amazon fulfillment center, the inventory shows up as stranded, and the reason Amazon lists for that case is Qualification required, followed by brand, category or item. Amazon's stranded inventory guide gives the same instruction for all three: request approval from Edit if the option is available and, once approved, choose Save and finish to activate the listing. If Request approval is not available, or you are not approved, you must create a removal order and delete the listing from Manage inventory. The same list has restriction reasons with no approval path, such as Item restricted, where Amazon says to create a removal order or contact Selling Partner Support, and Restricted program, where it says to create a removal order.

Stranded units are not free while they wait: Amazon's stranded inventory guide describes the Date of stranded event column on the Fix stranded inventory page as showing "how long your inventory has been stranded while accumulating storage fees." They also run on a removal clock. Amazon's stranded inventory required removals page sets a maximum number of days before automatic removal for each group of stranded reasons, and recommends a shorter number:

The page does not say which group a Qualification required listing falls into, so read the Auto-removal date column on the Fix stranded inventory page instead of assuming one. What it does say is direct: "If you have not configured your stranded removal settings, your inventory will be disposed after maximum days allowed for the stranded reason code shown on the Fix Stranded Inventory page." Amazon expects every seller to set those settings, in each store where the account sells, and you can delay a removal by 30 days only once per stranded event.

Amazon's Bulk Fix Stranded Inventory tool can update prices or switch listings to Fulfilled by Amazon in bulk, but Amazon says "The tool does not support actions requiring special documentation, such as an appeal or approval process. Currently, we cannot support bulk actions for these cases."

The approval side runs from Edit on each stranded listing, and the bulk tool cannot do it. Amazon says restrictions are placed on individual products or on groups of similar products, such as products of the same brand, so sort the stranded list by brand and category before you request approval, as at the purchase order. Removals are the part Amazon lets you batch: you can select several items on the Fix stranded inventory page and create one removal order, or upload a removal file of up to 1,000 items.

Amazon's removal overview says it typically processes removal orders within 10 to 14 business days, and that during the holiday season processing may take 30 days or more. Its page on removing inventory from a fulfillment center gives a longer figure for peaks: removal times may increase to 90 days or more during peak removal periods. The two pages name destinations differently: the overview lists you, your warehouse, your supplier or your distributor, and the other page adds designated recipients such as the manufacturer, a third-party storage provider, a re-shipper or a recycling center. Neither allows shipping to another Amazon fulfillment center, and Amazon charges a per-item fee by weight band and stops charging storage on them while the removal order is processing.

Where a Prep Center Fits

The two checks are yours to run, against your own seller account. A prep center's part is the physical count between the purchase order and the inbound. PrepVia receives, inspects, counts, FNSKU-labels, poly-bags, bundles, boxes and palletizes seller inventory, then creates and ships the inbound to Amazon; receiving and inspection are included, and discrepancies are reported within 24 hours of arrival, with photos.

The PrepVia app tracks expected versus received units, which gives your team the received quantities to check an invoice against before it goes into an application. PrepVia does not file approval applications and cannot promise an approval: the application runs in your Seller Central account, and the decision is Amazon's.

A prep center also cannot certify that goods are authentic, and it should not be asked to recategorize a listing to get past a gate. Questions worth asking any 3PL that receives your catalog:

• Count. When does the received count reach us, and at what level: carton, unit, UPC?
• Discrepancies. How fast are differences against the packing list reported? At PrepVia, within 24 hours of arrival, with photos.
• Shipment plan. If our second check pulls an ASIN, at which step can it still come off the inbound?
• Storage. How is space billed? At PrepVia, storage is billed daily, on the space used.
• Other channels. Can the same team prep for our other marketplaces? PrepVia preps for Amazon FBA, Walmart WFS and TikTok Shop.

Frequently Asked Questions

Can the Listings Restrictions API check a whole brand at once?

No. Every call needs an ASIN, the seller ID and at least one marketplace ID. Amazon ties the optional product type parameter to GTIN exemption checks, but the ASIN stays mandatory.

How long does an Amazon approval review take?

Amazon's help page on categories and products that require approval puts it at 2 to 7 business days after the documents are uploaded. Count those days, and any first purchase the file needs, in the lead time.

How old can an invoice be for an Amazon approval application?

Amazon's list of documents to prepare says purchase invoices dated within 180 days; its beauty guide adds at least 10 units from authorized distributors, and its health and personal care and pet guides say the same for most products. The other requirements vary by product and are shown on the application page; if anything is missing, Amazon says the request will be declined.

What does "Your account does not qualify" mean?

Amazon says it means you cannot sell the product, the decision cannot be appealed, and Selling Partner Support cannot provide additional details. Its FAQ words it as not eligible to sell the product "at this time."

What happens to FBA units that strand because approval is required?

They show as stranded with the reason Qualification required (brand, category or item). Amazon says to request approval from Edit if the option is available; if it is not, or you are not approved, you must create a removal order and delete the listing.

Does the November 2, 2026 insurance rule affect approvals?

It can. From November 2, 2026, sellers with products in enhanced-safety categories must carry commercial liability insurance regardless of their gross sales proceeds, and Amazon lists missing or expired insurance documentation among the reasons an application or a selling privilege can be affected. Our breakdown of the rule covers the policy.

Final Take

Amazon recommends checking approval before buying, and its help pages also say your ability to sell can change after you have it. On a large catalog both statements hold at once, which is why the check runs twice: once per ASIN at the purchase order, and again on the inbound's ASIN list before cartons are labeled. Keep the file for each brand ready, compare the two checks, and treat "does not qualify" as a purchasing answer.