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Parameters supported in the product.add method for Amazon SP-API
asin, ean, gtin, upc parameters are identifiers that identify a product in the Amazon catalog. Every product that is in the Amazon catalog has a unique asin.
To add a product that already exists in the Amazon catalog, you only need to provide the SKU, the product identifier, and the price and quantity. The quantity can be zero. Only integer values are supported. After a while, the product will appear in the seller's catalog and will have the properties of the product that was assigned to the identifier (name, description, attributes, images, etc.) as well as the seller's offer (offer), which is determined by the price and quantity.
Adding a new product that does not exist in the Amazon catalog is a more complex process, as Amazon requires filling out a large number of attributes to create a new product with an indication of the category in which the product will be placed.
Therefore, when creating a product through product.add, if the product identifier that does not yet exist in the Amazon catalog is specified, one of the parameters must be specified: category_id or product_type
To work with Amazon categories, we have added support for the category.count\list\info\find methods.
In the response of the category.list\info methods, the product_types field is displayed in additional_fields. If it contains any data, the ID of this category can be passed in the category_id parameter. Instead of the category_id parameter, you can use the product_type parameter, specifying the value of the additional_fields.product_types field (if the additional_fields.product_types field contains several values, separated by commas, then one of them).
Once one of the category_id or product_type parameters has been defined, you need to pass the attributes of the new product that is being created in the Amazon catalog. For a list of mandatory requirements for a certain product type (product_type) in Amazon, there is a JSON-schema. This JSON-schema is displayed in the category.info method in the additional_fields.category_options field (category.list this field is not displayed to save requests to Amazon).
As you can see from the image, the additional_fields.category_options object contains a WASHER object with the corresponding JSON-schema. If additional_fields.product_types contains multiple values, then JSON-schemas for all product types will be displayed.
The data from the JSON-schema fields is passed in the marketplace_item_properties parameter. This parameter is validated both on the Api2Cart side
and on the Amazon side.
The corresponding errors that will be displayed in an unsuccessful attempt of the product.add method.
If all the required properties for a certain product type are passed, the product will be created in the Amazon catalog.
Even if we received a response with return_code: 0 for the product.add method on Amazon SP-API, this does not mean that Amazon will immediately place the product in its catalog and the seller's catalog among its offers. This product may require additional adjustments in the seller's admin panel. Such products are located in the Catalog > Complete Your Drafts menu section.
which will contain product drafts and Amazon's appropriate troubleshooting guidelines for their listing of these products.
Posted in: Getting Started