> ## Documentation Index
> Fetch the complete documentation index at: https://docs.categorization.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Product Categorization

> This endpoint allows for categorizing products based on Google Product Taxonomy.

### Header

<ParamField header="x-api-key" type="string" required={true}>
  This parameter specifies the private key you'll need for Categorization.dev access.
</ParamField>

### Parameters

<ParamField query="query" type="string" required={true} placeholder="https://airbus.com">
  A website url with `http://` or `https://` protocol or a product title.
</ParamField>

<ParamField query="classification" type="string" required={true} placeholder="product_taxonomy" default="product_taxonomy">
  The classification parameter specifies the type of categorization to be used. It can be either `product_taxonomy` or `product_taxonomy_custom_xxxx`, contact us for custom classification.
</ParamField>

### Supported classifications

* `product_taxonomy`: A hierarchical taxonomy that categorizes websites into a set of categories and subcategories : [with 5677 categories](/api-reference/product_taxonomy)

<ResponseExample>
  ```json Response Example theme={null}
  {
      "product_taxonomy": [
          {
              "value": "Apparel & Accessories > Shoes",
              "confidence": 0.95
          }
      ]
  }
  ```
</ResponseExample>