General Questions

Do you offer support for this tool?

As a free tool, we offer only email support for MAX. You can contact our support team at

What Marketplaces does MAX support?

We currently only support If we see a lot of requests for other Marketplaces, we'll consider building them

What does MAX cost?

Nothing! MAX is free to use

Error Messages

Error: SKU ABCD123, Missing Attributes product_type. SKU ABC123 does not match any ASIN. Creation of a new ASIN requires the following missing attributes: product_type. Feed ID: 0. For details, see

This means that the SKU we tried to send an updated MaxOrderQuantity for no longer exists, and it tried to create a new listing. There isn't currently a way for our system to learn when you've removed a listing, so these can be ignored

Error: The SKU data provided conflicts with the Amazon catalog. The standard_product_id value(s) provided correspond to the ASIN B0123456789, but some information contradicts with the Amazon catalog. The following are the attribute value(s) that are confl

We believe this means that the ASIN is missing information. You should complete all of the required fields for this listing in Seller Central

Error: Your seller account is not approved to offer seller-fulfilled products in this category at this time. For more information, please see our Help page:

We see this mostly at Christmas time when trying to adjust seller-fulfilled products in Toys or other restricted categories

MWS Access Revoked

This means that we attempted to send the feed, but Amazon told us that we no longer have access to do so. You can re-enable our access in the 'User Permissions' section of Seller Central