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Product
Taobao standardized products are uniquely determined by the key attributes of the category. For example: in the mobile phone category, the key attributes are brand and model. Nokia N95 is a product, nokia is the brand, and N95 is the model.

SPU
spu=standard product unit standardized product unit; spu is equivalent to a product, please see the product definition for details.
    
Key attributes
The attributes that can confirm the unique "product" can be one, or a combination of multiple key attributes. For example: the "brand" and "model" of a mobile phone can determine a unique product, and the "brand" and "item number" of clothing can determine a unique product. It can be judged through the property tool (click here) or by calling the API taobao.itemprops.get, including other properties.

Sales attributes
The special attributes that make up the SKU, which will affect the buyer's purchase and the seller's inventory management, such as the "color", "package" and "size" of the clothing . When the color is a sales attribute under a specific category, and the seller uploads a color picture when publishing the product, the color attribute value will directly display the picture. Otherwise, the attribute value alias or attribute value name

product attribute will be displayed.
indicates the unique characteristics of the product, such as its condition, warranty method, etc. It cannot be used as an attribute of the product.

Non-key attributes
Other attributes except key attributes and sales attributes. Note: Non-key attributes in products do not include product attributes

SKU
sku=stock keeping uint (stock keeping unit), which is the smallest available unit for maintaining inventory control. For example, an SKU in a T-shirt usually consists of color and size, as shown below:

Product
is what Taobao calls baby, which is an instantiated object combination of SPU and sales attributes (SKU)

AppKey
When creating an application, the unique identifier issued by TOP, TOP uses the App Key to identify the identity of the application, and the parameters that must be passed in when calling the API (interface). You can obtain it after applying to become a developer in the Developer Center and creating an application (in addition to the application list, email and Taobao site messages can also be viewed)

AppSecret
TOP to the application Developers need to keep the distributed key properly. This key is used to ensure the reliability of the application source and prevent forgery. It can be obtained when the application is created, same as AppKey.

SessionKey
SessionKey is the identifier of the user's identity. When the application obtains the SessionKey, it means that the application has obtained the user's authorization and can request the user's private information from TOP on behalf of the user. The access_token returned by the oauth2.0 login authorization method is the sessionkey. The currently created applications are all in the oauth2.0 authorization mode. For specific methods of obtaining, please refer here.

New products
The so-called new products mean that the system automatically marks new products on newly released products from all women’s clothing sellers on the Internet within a certain period of time (14 days for women’s clothing category). Currently, only women's clothing, women's shoes, bags, men's shoes, jewelry, accessories, children's clothing categories, and men's clothing are open. Click here for details.

Darwin
Darwin is a brand-new product management system. It is different from the management ideas of Taobao’s original classification (based on the category attribute system), but based on the most detailed management ideas. With the granular product node (CSPU) as the core, it uses the system operation mechanism to maintain a rich and accurate product library, and achieves aggregation and control of products through products to ensure the certainty of product information.

For more instructions, please refer to: //open.taobao.com/doc/detail.htm?id=102155

FAQ

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